tag:blogger.com,1999:blog-83248544217270532492024-03-14T04:05:16.661+02:00Ερωτήσεις-Ασκήσεις ΧΗΜΕΙΑΣ Γ΄ Θετ..Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.comBlogger184125tag:blogger.com,1999:blog-8324854421727053249.post-27326453026233256032023-06-14T08:55:00.005+03:002023-06-14T08:55:31.216+03:00Θέματα Πανελλαδικών εξετάσεων στη Χημεία 2023<p> </p><p data-wahfont="16" style="background-color: white; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;"><img alt="" class="aligncenter" decoding="async" src="https://sp-ao.shortpixel.ai/client/to_webp,q_glossy,ret_img/https://ylikonet.gr/wp-content/uploads/2023/06/chem23.webp" style="border: 0px; box-sizing: inherit; clear: both; display: block; height: auto; margin-left: auto; margin-right: auto; max-width: 100%;" /></p><p data-wahfont="16" style="background-color: white; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Τα σημερινά θέματα Χημείας.</p><p data-wahfont="16" style="background-color: white; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Δείτε τα <strong style="box-sizing: inherit;"><a data-wahfont="16" href="https://www.minedu.gov.gr/publications/docs2023/panelladikes_2023_iounios/2023_H05_XHMEIA_NEO_OP_HM.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #3498db; text-decoration-line: none;" target="_blank">θέματα</a>, </strong>ή εναλλακτικά<strong style="box-sizing: inherit;"> <a data-wahfont="16" href="https://drive.google.com/uc?id=1eIHPl9bU7pbhFo7l77brpeE7H14m7EE8" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #3498db; text-decoration-line: none;" target="_blank">εδώ</a>.</strong></p>Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-17450481654300236772022-06-10T18:50:00.004+03:002022-06-10T18:50:24.752+03:00Θέματα Πανελλαδικών εξετάσεων στη Χημεία 2022<p style="text-align: center;"> <img alt="" class="alignnone size-medium wp-image-8419" height="182" src="https://yliko.files.wordpress.com/2022/06/75652.png?w=272" style="border: 0px; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; height: auto; max-width: 100%; text-align: center;" width="272" /> </p><p data-wahfont="16" style="background-color: white; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Τα σημερινά θέματα Χημείας, πανελλαδικών εξετάσεων.</p><p data-wahfont="16" style="background-color: white; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Δείτε τα <strong style="box-sizing: inherit;"><a data-wahfont="16" href="https://www.minedu.gov.gr/publications/docs2022/panelladikes_2022_iounios/H04_XHMEIA_NEO_OP_HM_2022.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #3498db; text-decoration-line: none;" target="_blank">θέματα</a>, </strong>ή εναλλακτικά<strong style="box-sizing: inherit;"> <a data-wahfont="16" href="https://blogs.e-me.edu.gr/dmargaris/wp-content/uploads/sites/295437/2022/06/H04_XHMEIA_NEO_OP_HM_2022.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #3498db; text-decoration-line: none;" target="_blank">εδώ</a>.</strong></p><p data-wahfont="16" style="background-color: white; box-sizing: inherit; color: #404040; font-family: Lato, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Τα θέματα σε Word, μια προσφορά του Χρήστου Τσουκάτου, από <a data-wahfont="16" href="https://blogs.e-me.edu.gr/hive-ylikonet1/wp-content/uploads/sites/300493/2022/06/%CE%A7%CE%B7%CE%BC%CE%B5%CE%B9%CE%B1_%CE%93_%CE%A0%CF%81%CE%BF%CF%83%CE%B1%CE%BD_2022.docx" style="background-color: transparent; box-sizing: inherit; color: #3498db; text-decoration-line: none;">εδώ.</a></p>Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-29821458593897933302021-06-24T07:38:00.001+03:002021-06-24T07:38:11.725+03:00Θέματα Πανελλαδικών εξετάσεων στη Χημεία 2021<p style="text-align: center;"> <img src="https://blogs.4all.e-me.edu.gr/hive-K-ylikonet2/wp-content/uploads/sites/12562/2021/06/1.png" style="border-style: none; box-sizing: inherit; color: #404040; font-family: "Source Sans Pro", Graphik, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 16px; height: auto; max-width: 100%; text-align: center; vertical-align: middle;" width="272" /> </p><p style="background-color: white; box-sizing: inherit; color: #404040; font-family: "Source Sans Pro", Graphik, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Δείτε τα <span style="box-sizing: inherit; font-weight: bolder;"><a href="https://www.minedu.gov.gr/publications/docs2021/panelladikes_2021_iounios/XHMEIA_NEO_OP_HM_2021-12.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #00aeef; text-decoration-line: none;" target="_blank">θέματα</a>, </span>ή εναλλακτικά<span style="box-sizing: inherit; font-weight: bolder;"><a href="https://blogs.e-me.edu.gr/hive-ylikonet1/wp-content/uploads/sites/300493/2021/06/XHMEIA_NEO_OP_HM_2021-12.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #00aeef; text-decoration-line: none;" target="_blank"> εδώ</a>.</span></p><p style="background-color: white; box-sizing: inherit; color: #404040; font-family: "Source Sans Pro", Graphik, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Τα θέματα σε <span style="box-sizing: inherit; font-weight: bolder;"><a href="https://blogs.e-me.edu.gr/hive-ylikonet1/wp-content/uploads/sites/300493/2021/06/%CE%A7%CE%B7%CE%BC%CE%B5%CE%B9%CE%B1_%CE%93_%CE%A0%CF%81%CE%BF%CF%83%CE%B1%CE%BD_2021.docx" style="background-color: transparent; box-sizing: inherit; color: #00aeef; text-decoration-line: none;">Word</a></span>. Μια προσφορά του Χρήστου Τσουκάτου, τον οποίο ευχαριστώ.</p><p style="background-color: white; box-sizing: inherit; color: #404040; font-family: "Source Sans Pro", Graphik, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 16px; margin: 0px 0px 1.5em;">Οι ενδεικτικές λύσεις από την ΚΕΕ, με κλικ <a href="https://blogs.e-me.edu.gr/hive-ylikonet1/wp-content/uploads/sites/300493/2021/06/%CE%A7%CE%B7%CE%BC%CE%B5%CE%AF%CE%B1-%CE%9A%CE%95%CE%95.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #00aeef; text-decoration-line: none;" target="_blank"><span style="box-sizing: inherit; font-weight: bolder;">εδώ.</span></a></p>Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-39418995773347617272019-06-19T09:32:00.002+03:002019-06-19T09:32:40.622+03:00Μια παραλλαγή σε ένα ερώτημα<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9mgBO9PdlJl5083IK_VM1yxqdeGvLXxTGuZkDkah6J7KR5qYaZwV4QIT-3YYYuPRVNyUe3SRpWa6BZx6St-f1uCBqAS2uN9UpINCq6Sjqu-Js9tuGrFIM0ArPTJst7JaVG1AFCHJCg6MP/s1600/99.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="355" data-original-width="507" height="224" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9mgBO9PdlJl5083IK_VM1yxqdeGvLXxTGuZkDkah6J7KR5qYaZwV4QIT-3YYYuPRVNyUe3SRpWa6BZx6St-f1uCBqAS2uN9UpINCq6Sjqu-Js9tuGrFIM0ArPTJst7JaVG1AFCHJCg6MP/s320/99.PNG" width="320" /></a></div>
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<span style="font-size: 10pt;">Μια παραλλαγή στο ερώτημα των πρόσφατων εξετάσεων:</span></div>
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<span style="font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">Στην καμπύλη Χ του ακόλουθου γραφήματος παριστάνεται ο όγκος του οξυγόνου (Ο<sub>2</sub>), ο οποίος εκλύεται κατά τη διάρκεια της καταλυτικής αποσύνθεσης διαλύματος υπεροξειδίου του υδρογόνου 1 Μ σε συνάρτηση με τον χρόνο. Η αντίδραση είναι:</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV3Wh89-3RFfmDnCVDfEqK9Q_ee4c0mIULq9Cuc0eCHqiyy1uJPmWxeqDn-NkT_9reEGo3dE5eNTulCROegyeEhgm1rEL-qTajjFTDZ01NlAvyC0YUB_hbwBQivMZoW7Q3Do_xu9HCUfKG/s1600/99%25CE%25BF.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="71" data-original-width="623" height="36" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhV3Wh89-3RFfmDnCVDfEqK9Q_ee4c0mIULq9Cuc0eCHqiyy1uJPmWxeqDn-NkT_9reEGo3dE5eNTulCROegyeEhgm1rEL-qTajjFTDZ01NlAvyC0YUB_hbwBQivMZoW7Q3Do_xu9HCUfKG/s320/99%25CE%25BF.PNG" width="320" /></a></div>
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<span style="color: black; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">Να εξηγήσετε με ποια από τις παρακάτω μεταβολές παράγεται η καμπύλη Υ.<o:p></o:p></span></div>
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<span style="color: black; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">1. Προσθήκη Η<sub>2</sub>Ο.<o:p></o:p></span></div>
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<span style="color: black; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">2. Προσθήκη διαλύματος Η<sub>2</sub>Ο<sub>2</sub> 1,3Μ.<o:p></o:p></span></div>
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<span style="color: black; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">3. Χρήση διαφορετικού καταλύτη (καταλύτης ii)<o:p></o:p></span></div>
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<span style="color: black; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">4. Προσθήκη διαλύματος Η<sub>2</sub>Ο<sub>2</sub> 0,3Μ.<o:p></o:p></span></div>
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<b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="color: #0070c0; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://sites.google.com/site/yliko16/2019/%CE%9C%CE%B9%CE%B1%20%CF%80%CE%B1%CF%81%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE%20%CF%83%CE%B5%20%CE%AD%CE%BD%CE%B1%20%CE%B5%CF%81%CF%8E%CF%84%CE%B7%CE%BC%CE%B1.pdf?attredirects=0&d=0" target="_blank">Απάντηση:</a><o:p></o:p></span></i></b></div>
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<b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="color: #0070c0; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;">ή</span></i></b></div>
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<img src="https://ylikonet.files.wordpress.com/2017/04/1dc40-25ce259a25ce25b125cf258425ce25b125ce25b325cf258125ce25b125cf258625ce25ae.png?w=869" style="background-color: white; color: #333333; font-family: arial, tahoma, helvetica, freesans, sans-serif; font-size: 14.85px;" width="30" /><b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="color: #0070c0; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://drive.google.com/uc?id=1WN87e6oEGND1aRwJGY3fvokPrCeEASgh" target="_blank">Μια παραλλαγή σε ένα ερώτημα</a></span></i></b></div>
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<b><i><span style="color: #0070c0; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://www.dropbox.com/s/gp15ekvk6n36r5d/%CE%9C%CE%B9%CE%B1%20%CF%80%CE%B1%CF%81%CE%B1%CE%BB%CE%BB%CE%B1%CE%B3%CE%AE%20%CF%83%CE%B5%20%CE%AD%CE%BD%CE%B1%20%CE%B5%CF%81%CF%8E%CF%84%CE%B7%CE%BC%CE%B1.pdf?dl=1">Μια παραλλαγή σε ένα ερώτημα</a><o:p></o:p></span></i></b></div>
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<b><i><span style="color: #0070c0; font-family: "arial" , sans-serif; font-size: 10pt; line-height: 20px;"><br /></span></i></b></div>
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-13680761014006874152018-06-15T19:06:00.002+03:002018-06-15T19:06:49.031+03:00Θέματα Πανελλαδικών εξετάσεων Χημείας 2018<div dir="ltr" style="text-align: left;" trbidi="on">
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<img alt="Καταγραφή" class="wp-image-2983 alignleft" height="215" src="https://ylikonet3.files.wordpress.com/2018/05/cebaceb1cf84ceb1ceb3cf81ceb1cf86ceae4.jpg" style="border: 0px; display: block; float: left; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; height: auto; line-height: 26px; margin: 26px 26px 26px 0px; max-width: 100%; outline: 0px; padding: 0px; vertical-align: baseline;" width="284" /></div>
<div style="background-color: white; border: 0px; color: #323232; font-family: Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px; font-stretch: inherit; font-variant-east-asian: inherit; font-variant-numeric: inherit; line-height: 26px; margin-bottom: 26px; outline: 0px; padding: 0px; vertical-align: baseline;">
Δείτε όλα τα θέματα με κλικ <span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.minedu.gov.gr/publications/docs2018/EXETASEIS-2018/them_xhm_op_c_hmer_180615.pdf" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εδώ</a></span>.</div>
<div style="background-color: white; border: 0px; color: #323232; font-family: Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px; font-stretch: inherit; font-variant-east-asian: inherit; font-variant-numeric: inherit; line-height: 26px; margin-bottom: 26px; outline: 0px; padding: 0px; vertical-align: baseline;">
Εναλλακτικά <span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><a href="https://yliko.files.wordpress.com/2018/06/them_xhm_op_c_hmer_180615.pdf" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εδώ</a></span>.</div>
<div style="background-color: white; border: 0px; color: #323232; font-family: Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px; font-stretch: inherit; font-variant-east-asian: inherit; font-variant-numeric: inherit; line-height: 26px; margin-bottom: 26px; outline: 0px; padding: 0px; vertical-align: baseline;">
Τα θέματα <span style="border: 0px; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: 700; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.minedu.gov.gr/publications/docs2018/EXETASEIS-2018/them_xhm_op_d_esp_180615.pdf" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εσπερινών</a></span> ΓΕΛ</div>
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Τα θέματα σε <a href="https://drive.google.com/open?id=1H1VG61QZwRyk4sstYwoB2kwzigBwAQuB" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;">Word</a>, μια προσφορά του Χρήστου Τσουκάτου, τον οποίο ευχαριστούμε. Και για τα <a href="https://www.dropbox.com/s/r5byjom9653b89l/d_esp_xhm_op_2018.docx?dl=1" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;">εσπερινά</a>.</div>
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Απαντήσεις των θεμάτων από τον Βασίλη Δουκατζή <a href="https://my.pcloud.com/publink/show?code=XZBhXf7ZFUtbLLRxOfLyShLsi2cs6mretxrV" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εδώ</a>.</div>
<div style="background-color: white; border: 0px; color: #323232; font-family: Helvetica, Arial, "Lucida Grande", sans-serif; font-size: 16px; font-stretch: inherit; font-variant-east-asian: inherit; font-variant-numeric: inherit; line-height: 26px; margin-bottom: 26px; outline: 0px; padding: 0px; vertical-align: baseline;">
Απαντήσεις των θεμάτων από τον Αντώνη Μπαλτζόπουλο <a href="https://drive.google.com/file/d/1ac55AqNLxzNGhIwpyZG_dsy8FBgS-oy-/view" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εδώ</a>.</div>
</div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-5057664412975666542018-02-19T09:43:00.001+02:002018-02-19T09:47:52.008+02:00Επιλογή δείκτη…<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0PHeCmMLf1EmjEBhlIq7pW1bTgxutUmJOgpiq0TuOtFRAD551tEz1Pe7BMoQIiQN1cMVnvUwtyuhUuF9hD8Dp1NRor62Rs5ktrk_yRS0OYaRH220l9-jN6LsimeYx3cb5xw8UY3skjl8/s1600/1.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="190" data-original-width="137" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj0PHeCmMLf1EmjEBhlIq7pW1bTgxutUmJOgpiq0TuOtFRAD551tEz1Pe7BMoQIiQN1cMVnvUwtyuhUuF9hD8Dp1NRor62Rs5ktrk_yRS0OYaRH220l9-jN6LsimeYx3cb5xw8UY3skjl8/s1600/1.PNG" /></a></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Ένα διάλυμα ασθενούς οξέος ΗΑ με Κ<sub>α</sub>=10<sup>-5</sup>,
όγκου 50ml και περιεκτικότητας cΜ, ογκομετρείται με πρότυπο διάλυμα ΚΟΗ 0,2Μ. Για
το ισοδύναμο σημείο καταναλώθηκαν 50ml του πρότυπου διαλύματος.<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Ποιον από τους παρακάτω δείκτες θα επιλέγατε για την
ογκομέτρηση αυτή;<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Δίνονται οι δείκτες και οι περιοχές αλλαγής χρώματος:
Ηλιανθίνη (3-4,5) και <span style="background: white; color: #545454;">Φαινολοφθαλεΐνη</span>
(8-10).<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"><br /></span></div>
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<b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="background: white; color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"><a href="http://blogs.sch.gr/dmargaris/files/2018/02/%CE%95%CF%80%CE%B9%CE%BB%CE%BF%CE%B3%CE%AE-%CE%B4%CE%B5%CE%AF%CE%BA%CF%84%CE%B7.pdf" target="_blank">Απάντηση:</a><o:p></o:p></span></i></b></div>
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<b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="background: white; color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">ή<o:p></o:p></span></i></b></div>
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<img src="https://ylikonet.files.wordpress.com/2017/04/1dc40-25ce259a25ce25b125cf258425ce25b125ce25b325cf258125ce25b125cf258625ce25ae.png?w=869" style="border: 0px; color: #323232; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; height: auto; line-height: inherit; margin: 0px; max-width: 100%; outline: 0px; padding: 0px; vertical-align: baseline;" /></div>
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<b><i><span style="background: white; color: #0070c0; font-family: "tahoma" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://dmargaris.files.wordpress.com/2018/02/1902.pdf" target="_blank">Επιλογή δείκτη…</a></span></i></b><b style="font-family: "times new roman";"><i><span style="color: #0070c0; font-family: "verdana" , sans-serif; font-size: 10pt; line-height: 20px;"></span></i></b></div>
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<b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;"><span style="background: white; color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"><a href="https://docs.google.com/uc?id=1YGETDPrFBdb5AuCHVPbWU6wfat2WKhZj&export=view?" target="_blank">Επιλογή δείκτη…</a><o:p></o:p></span></i></b></div>
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<br />
Αφιερωμένη στη μνήμη του Παύλου Μπασδάρα που έφυγε χθες από κοντά μας. Μια άσκηση από το τελευταίο βιβλίο του.</div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-62667860614839694862018-01-21T17:19:00.002+02:002018-01-22T21:56:19.319+02:00Εξουδετέρωση μίγματος βάσεων<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7J9nZoxQMnb-ZQZhEiClGnC0XpW_7wGIIisrIgXoySGjNQ9wbf4gBPlxqcbJ0W308jgjUNyqia1thc6-rTUQSW92m4JiATmjcIZxAEnP1EeM1eHeVrbDyf3fvO9NKFoHacEpWrY6DPg8/s1600/1.PNG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" data-original-height="332" data-original-width="263" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7J9nZoxQMnb-ZQZhEiClGnC0XpW_7wGIIisrIgXoySGjNQ9wbf4gBPlxqcbJ0W308jgjUNyqia1thc6-rTUQSW92m4JiATmjcIZxAEnP1EeM1eHeVrbDyf3fvO9NKFoHacEpWrY6DPg8/s200/1.PNG" width="158" /></a></div>
<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Διαθέτουμε ένα υδατικό διάλυμα ΝΗ<sub>3</sub> όγκου
200mL και συγκέντρωσης C=0,1Μ.<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">i) Ποιος ο βαθμός ιοντισμού της ΝΗ<sub>3</sub>
στο διάλυμα αυτό;<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">ii)
Στο παραπάνω διάλυμα προσθέτουμε 0,8g στερεό ΝαΟΗ, χωρίς μεταβολή όγκου,
παίρνοντας διάλυμα Α. Ποιος ο βαθμός ιοντισμού της αμμωνίας στο διάλυμα Α;<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">iii)
Το διάλυμα Α αναμιγνύεται με διάλυμα ΗCΙ όγκου 0,2L και συγκέντρωσης 0,1Μ,
λαμβάνοντας διάλυμα Β. Ποιο το pΗ του
διαλύματος Β;<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">iii)
Αν το διάλυμα Α αναμιχθεί με ίσο όγκο διαλύματος ΗCΙ συγκέντρωσης 0,15Μ
παίρνουμε διάλυμα Γ. Να βρεθεί το pΗ του διαλύματος Γ.<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">iv)
Αναμιγνύουμε 200ml διαλύματος Χ, το οποίο περιέχει δυο ασθενείς βάσεις. ΝΗ<sub>3</sub> συγκέντρωσης 0,2Μ και μιας
δεύτερης περισσότερο ισχυρής βάσης Β συγκέντρωσης επίσης 0,2Μ, με 200ml διαλύματος ΗCΙ 0,1Μ, λαμβάνοντας διάλυμα Υ,
το οποίο αποκτά pΗ=11. Να βρεθούν:<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"> α) Η σταθερά Κ<sub>1b</sub> της βάσης Β.<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"> β) Η συγκέντρωση [ΝΗ<sub>4</sub><sup>+</sup>]
στο διάλυμα Υ.<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Τα πειράματα πραγματοποιήθηκαν σε θερμοκρασία 25°C, όπου
Κ<sub>w</sub>=10<sup>-14</sup>, για την ΝΗ<sub>3</sub> Κ<sub>b</sub>=10<sup>-5</sup>
ενώ lοg5=0,7.<o:p></o:p></span></div>
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<b><i><span style="color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"><a href="https://dmargaris.files.wordpress.com/2018/01/2201.pdf" target="_blank">Απάντηση: </a><o:p></o:p></span></i></b></div>
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<b><i><span style="color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">ή<o:p></o:p></span></i></b></div>
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<img src="https://ylikonet.files.wordpress.com/2017/04/1dc40-25ce259a25ce25b125cf258425ce25b125ce25b325cf258125ce25b125cf258625ce25ae.png?w=869" style="border: 0px; color: #323232; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; height: auto; line-height: inherit; margin: 0px; max-width: 100%; outline: 0px; padding: 0px; vertical-align: baseline;" /></div>
</td><td style="height: 20.9pt; padding: 0cm 5.4pt; width: 332.5pt;" valign="top" width="443"><div class="MsoNormal" style="margin-left: -1.35pt;">
<b style="color: black; font-family: "Times New Roman"; font-size: medium;"><i><span style="color: #0070c0; font-family: "tahoma" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="http://dmargaris.wikispaces.com/file/view/%CE%95%CE%BE%CE%BF%CF%85%CE%B4%CE%B5%CF%84%CE%AD%CF%81%CF%89%CF%83%CE%B7+%CE%BC%CE%AF%CE%B3%CE%BC%CE%B1%CF%84%CE%BF%CF%82+%CE%B2%CE%AC%CF%83%CE%B5%CF%89%CE%BD.pdf/625209927/%CE%95%CE%BE%CE%BF%CF%85%CE%B4%CE%B5%CF%84%CE%AD%CF%81%CF%89%CF%83%CE%B7%20%CE%BC%CE%AF%CE%B3%CE%BC%CE%B1%CF%84%CE%BF%CF%82%20%CE%B2%CE%AC%CF%83%CE%B5%CF%89%CE%BD.pdf" target="_blank">Εξουδετέρωση μίγματος βάσεων</a></span></i></b></div>
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<b><i><span style="color: #0070c0; font-family: "tahoma" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://docs.google.com/uc?id=1e5EY7ge8GfaxvTi0np4ePh2zZVYeJEZW&export=view?" target="_blank">Εξουδετέρωση μίγματος βάσεων</a></span></i></b></div>
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-24878678078031801082018-01-13T17:57:00.002+02:002018-01-13T18:07:59.316+02:00Μια μονόδρομη και μια αμφίδρομη αντικατάσταση<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbA7gVarRsTUMRaWuFX4ffE5kiQTzF6IKzDN90FSrM7ADFJfUFfh2z5DCwOvEQhvk51hypGpcyGmFkDX3FCLEH6IH_i3-5ElxyJ8NiO35QrKJ2oss_d38B-QKi8ddYiAvvESP64ZVP5h19/s1600/1.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="286" data-original-width="450" height="203" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjbA7gVarRsTUMRaWuFX4ffE5kiQTzF6IKzDN90FSrM7ADFJfUFfh2z5DCwOvEQhvk51hypGpcyGmFkDX3FCLEH6IH_i3-5ElxyJ8NiO35QrKJ2oss_d38B-QKi8ddYiAvvESP64ZVP5h19/s320/1.PNG" width="320" /></a></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Σε δυο δοχεία
περιέχονται διαλύματα του 1L, το πρώτο ΗCΙ και το δεύτερο ασθενούς οξέος ΗΒ με
σταθερά Κ<sub>ΗΒ</sub>=9∙10<sup>-5</sup>. <o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Το διάλυμα στο δοχείο (1) έχει pΗ<sub>1</sub> =1. <o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">i)
Αν οι συγκεντρώσεις των δύο οξέων είναι ίσες, να βρεθεί το pΗ του διαλύματος
που περιέχεται στο δοχείο (2).<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">ii)
Προσθέτουμε στο πρώτο δοχείο 0,1mοl άλατος καλίου ΚΑ ενός ασθενούς οξέος ΗΑ,
χωρίς μεταβολή του όγκου του διαλύματος, με αποτέλεσμα το διάλυμα που προκύπτει
να έχει pΗ<sub>3</sub>=3. Να υπολογιστεί η σταθερά ιοντισμού του οξέος ΗΑ.<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">iii)
Προσθέτουμε επίσης 0,1mοl ΚΑ στο δεύτερο δοχείο. Ποια είναι η τελική τιμή του
pΗ του διαλύματος που προκύπτει;<o:p></o:p></span></div>
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<span style="font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">Τα πειράματα πραγματοποιήθηκαν σε θερμοκρασία 25°C, όπου
k<sub>w</sub>=10<sup>-14</sup>, ενώ lοg3=0,5.<o:p></o:p></span></div>
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<b><i><span style="color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;"><a href="https://dmargaris.files.wordpress.com/2018/01/ch2.pdf" target="_blank">Απάντηση: </a><o:p></o:p></span></i></b></div>
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<b><i><span style="color: #0070c0; font-family: "tahoma" , "sans-serif"; font-size: 10.0pt; line-height: 150%;">ή<o:p></o:p></span></i></b></div>
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<img src="https://ylikonet.files.wordpress.com/2017/04/1dc40-25ce259a25ce25b125cf258425ce25b125ce25b325cf258125ce25b125cf258625ce25ae.png?w=869" style="border: 0px; color: #323232; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; height: auto; line-height: inherit; margin: 0px; max-width: 100%; outline: 0px; padding: 0px; vertical-align: baseline;" /></div>
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<b style="color: black; font-family: "Times New Roman"; font-size: medium;"><i><span style="color: #0070c0; font-family: "tahoma" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="http://dmargaris.wikispaces.com/file/view/%CE%9C%CE%B9%CE%B1+%CE%BC%CE%BF%CE%BD%CF%8C%CE%B4%CF%81%CE%BF%CE%BC%CE%B7+%CE%BA%CE%B1%CE%B9+%CE%BC%CE%B9%CE%B1+%CE%B1%CE%BC%CF%86%CE%AF%CE%B4%CF%81%CE%BF%CE%BC%CE%B7+%CE%B1%CE%BD%CF%84%CE%B9%CE%BA%CE%B1%CF%84%CE%AC%CF%83%CF%84%CE%B1%CF%83%CE%B7.pdf/624820771/%CE%9C%CE%B9%CE%B1%20%CE%BC%CE%BF%CE%BD%CF%8C%CE%B4%CF%81%CE%BF%CE%BC%CE%B7%20%CE%BA%CE%B1%CE%B9%20%CE%BC%CE%B9%CE%B1%20%CE%B1%CE%BC%CF%86%CE%AF%CE%B4%CF%81%CE%BF%CE%BC%CE%B7%20%CE%B1%CE%BD%CF%84%CE%B9%CE%BA%CE%B1%CF%84%CE%AC%CF%83%CF%84%CE%B1%CF%83%CE%B7.pdf" target="_blank">Μια μονόδρομη και μια αμφίδρομη αντικατάσταση</a></span></i></b></div>
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<b><i><span style="color: #0070c0; font-family: "tahoma" , sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://docs.google.com/uc?id=1ZH0l1ba0KtVjEBfN4bpH5Ohu2Mm69sJ9&export=view?" target="_blank">Μια μονόδρομη και μια αμφίδρομη αντικατάσταση</a></span></i></b><br />
<span style="background-color: white; color: #333333; font-family: "arial" , "tahoma" , "helvetica" , "freesans" , sans-serif; font-size: 14.85px;"></span><span style="background-color: white; color: #333333; font-family: "arial" , "tahoma" , "helvetica" , "freesans" , sans-serif; font-size: 14.85px;"></span><span style="background-color: white; color: #333333; font-family: "arial" , "tahoma" , "helvetica" , "freesans" , sans-serif; font-size: 14.85px;"></span><span style="background-color: white; color: #333333; font-family: "arial" , "tahoma" , "helvetica" , "freesans" , sans-serif; font-size: 14.85px;"></span></div>
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-38992790370884036092017-06-14T11:05:00.002+03:002017-06-14T11:05:18.292+03:00Χημεία. Θέματα Πανελλαδικών εξετάσεων 2017<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRg8ZCm68j5tn9xWXM7rL8a6A6fTw93Auw8Y05usaJLvVNyvTr6Ywr9I-lKdBMerm2qTAIM8dClPFVk5aW8sg3U1dB7K-QT8SDDHCjxtLw6Sto-d0DiSkBkjW1Zz6WCFVSeQdPMDnQni6c/s1600/1.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="334" data-original-width="677" height="157" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgRg8ZCm68j5tn9xWXM7rL8a6A6fTw93Auw8Y05usaJLvVNyvTr6Ywr9I-lKdBMerm2qTAIM8dClPFVk5aW8sg3U1dB7K-QT8SDDHCjxtLw6Sto-d0DiSkBkjW1Zz6WCFVSeQdPMDnQni6c/s320/1.png" width="320" /></a></div>
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Τα θέματα Χημείας 2017 με κλικ <a href="https://ylikonet3.files.wordpress.com/2017/06/them_xhm_op_c_hmer_170614.pdf" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εδώ</a>.</div>
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Τα θέματα των Εσπερινών Λυκείων με κλικ <a href="https://ylikonet3.files.wordpress.com/2017/06/them_xhm_op_d_esp_170614.pdf" rel="noopener" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;" target="_blank">εδώ</a>.</div>
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-38595739958061242762017-06-03T19:25:00.002+03:002017-06-03T19:25:17.630+03:00Παγκύπριες εξετάσεις Χημείας 2017<div dir="ltr" style="text-align: left;" trbidi="on">
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<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjelvOjE6wM4j8p_TBiMhXeymPUqh2aE9uIFkFrl2MvTHR7IBrP8N16j8txDTsf6IwnmZALk2V_BPsCIS8j_vej0dSJyGym49dB7tkFD3DkG2vyCz55dEHCvpOfgvGWeimLWb5Gbpx0Lf0/s1600/%25CE%25A0%25CE%2591%25CE%2593%25CE%259A.-2017-%25CE%25A7%25CE%2597%25CE%259C%25CE%2595%25CE%2599%25CE%2591.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="159" data-original-width="318" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjelvOjE6wM4j8p_TBiMhXeymPUqh2aE9uIFkFrl2MvTHR7IBrP8N16j8txDTsf6IwnmZALk2V_BPsCIS8j_vej0dSJyGym49dB7tkFD3DkG2vyCz55dEHCvpOfgvGWeimLWb5Gbpx0Lf0/s1600/%25CE%25A0%25CE%2591%25CE%2593%25CE%259A.-2017-%25CE%25A7%25CE%2597%25CE%259C%25CE%2595%25CE%2599%25CE%2591.jpg" /></a></div>
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Μπορείτε να δείτε τα θέματα των Παγκύπριων εξετάσεων Χημείας 2017</div>
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<a href="http://cdn4.ylikonet.gr/wp-content/uploads/2017/06/%CE%A0%CE%91%CE%93%CE%9A%CE%A5%CE%A0%CE%A1%CE%99%CE%95%CE%A3-2017.pdf" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;">ΠΑΓΚΥΠΡΙΕΣ 2017</a></div>
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Καθώς και τις προτεινόμενες λύσεις.</div>
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<a href="http://cdn4.ylikonet.gr/wp-content/uploads/2017/06/%CE%9B%CE%A5%CE%A3%CE%95%CE%99%CE%A3-%CE%A0%CE%91%CE%93%CE%9A%CE%A5%CE%A0%CE%A1%CE%99%CE%95%CE%A3-2017.pdf" style="border: 0px; color: #0d3d9b; font-family: inherit; font-size: inherit; font-stretch: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; line-height: 26px; margin: 0px; outline: 0px; padding: 0px; text-decoration-line: none; transition: all 0.1s ease-in; vertical-align: baseline;">ΛΥΣΕΙΣ ΠΑΓΚΥΠΡΙΕΣ 2017</a></div>
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-35123042819071057632016-05-30T17:42:00.001+03:002016-05-30T17:43:15.222+03:00Θέματα εξετάσεων στη Χημεία. 2016.<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="http://api.ning.com/files/6XMsfQLyk7H9LfkpFlDjM8AAIeT01p5qzKMNMRT5DYAH*pyRJBPIaUnP9CePcqVUSKW6oeO1sx4IRyXWQ1gQGqJrDybqksCo/1.png" target="_self"><img class="align-center" src="http://api.ning.com:80/files/6XMsfQLyk7H9LfkpFlDjM8AAIeT01p5qzKMNMRT5DYAH*pyRJBPIaUnP9CePcqVUSKW6oeO1sx4IRyXWQ1gQGqJrDybqksCo/1.png?width=555" width="555" /></a></div>
Δείτε τα θέματα με κλικ:<br />
Δείτε και τα θέματα:<a href="https://dmargaris.files.wordpress.com/2016/02/them_xhm_op_c_hmer_ns_160530.pdf" target="_blank">Ημερήσια</a> (νέο σύστημα)<br />
<a href="https://dmargaris.files.wordpress.com/2016/02/them_xhm_op_d_esp_ns_160530.pdf" target="_blank">Εσπερινών</a> (νέο σύστημα)<br />
<a href="https://dmargaris.files.wordpress.com/2016/02/them_xhm_kat_c_hmer_os_160530.pdf" target="_blank">Ημερήσια</a>(παλιό σύστημα)<br />
<a href="https://dmargaris.files.wordpress.com/2016/02/them_xhm_kat_d_esp_os_160530.pdf" target="_blank">Εσπερινά</a>(παλιό σύστημα)<br />
Τα θέματα του νέου συστήματος σε <strong><a href="https://dmargaris.files.wordpress.com/2016/02/xhm-ns-2016.docx" target="_blank">Word</a></strong>. Μια προσφορά του Χρήστου Τσουκάτου. Σε ευχαριστούμε Χρήστο.</div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-84638704566637068252016-05-30T17:30:00.002+03:002016-05-30T17:32:38.785+03:00Θέματα εξετάσεων στη Χημεία. (παλιό σύστημα). 2016.<div dir="ltr" style="text-align: left;" trbidi="on">
<a href="http://api.ning.com/files/6XMsfQLyk7HT7EQdLNXXPYsfPS1M7qZdv7J5IiXwfh8RmlY-dV0Cy-JraLqkddk33nUqJXdaobAb6Uz-AZ5Ze0mx6F4WLXIe/1.png" target="_self"><img class="align-full" src="https://api.ning.com:80/files/6XMsfQLyk7HT7EQdLNXXPYsfPS1M7qZdv7J5IiXwfh8RmlY-dV0Cy-JraLqkddk33nUqJXdaobAb6Uz-AZ5Ze0mx6F4WLXIe/1.png?width=555" width="555" /></a><br />
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<a href="http://api.ning.com/files/6XMsfQLyk7HT7EQdLNXXPYsfPS1M7qZdv7J5IiXwfh8RmlY-dV0Cy-JraLqkddk33nUqJXdaobAb6Uz-AZ5Ze0mx6F4WLXIe/1.png?width=555" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://api.ning.com/files/6XMsfQLyk7HT7EQdLNXXPYsfPS1M7qZdv7J5IiXwfh8RmlY-dV0Cy-JraLqkddk33nUqJXdaobAb6Uz-AZ5Ze0mx6F4WLXIe/1.png?width=555" height="372" width="640" /></a></div>
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Δείτε και τα θέματα:<br />
<a href="https://dmargaris.files.wordpress.com/2016/02/them_xhm_kat_c_hmer_os_160530.pdf" target="_blank">Ημερήσια</a>(παλιό σύστημα)<br />
<a href="https://dmargaris.files.wordpress.com/2016/02/them_xhm_kat_d_esp_os_160530.pdf" target="_blank">Εσπερινά</a>(παλιό σύστημα)</div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-56308118294952989702016-05-27T12:14:00.000+03:002016-05-27T12:16:49.214+03:00Θέματα εξετάσεων στη Βιολογία. 2016.<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="http://api.ning.com/files/AqI8DM8vlq5vUpGQXPkYvqF3bulVsziRphQdU9QHE09jaaJtalIS6qgo8VFJ33t7FpoQ5ZVuaogM5e5mgmC2Qbv2UspWnapS/1.png" target="_self"><img class="align-center" src="https://api.ning.com:80/files/AqI8DM8vlq5vUpGQXPkYvqF3bulVsziRphQdU9QHE09jaaJtalIS6qgo8VFJ33t7FpoQ5ZVuaogM5e5mgmC2Qbv2UspWnapS/1.png?width=566" width="566" /></a><br />
Δείτε όλα τα θέματα με κλικ <strong><a href="https://dmargaris.files.wordpress.com/2016/02/them_bio_op_c_hmer_ns_160527.pdf" target="_blank">εδώ</a>.</strong><br />
Θέματα Εσπερινών Λυκείων <strong> <a href="http://www.minedu.gov.gr/publications/docs2016/EXETASEIS-2016/them_bio_op_d_esp_ns_160527.pdf" target="_blank">εδώ.</a></strong></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-72882206255923720122016-03-19T16:54:00.002+02:002016-03-19T16:54:19.988+02:00Θέματα Διαγωνισμού Χημείας 2016<div dir="ltr" style="text-align: left;" trbidi="on">
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Δείτε παρακάτω τα θέματα του σημερινού διαγωνισμού.</div>
<a href="http://api.ning.com/files/a0gZpI6iXIK7dk-xM1dCL4elAnhTVUpRkIT80r0YPD*vKVyc4wNzQBgdPuAYA0nm*UlCDn1LoomtCnEzIKGY5kPnxgpFqTl-/1.PNG" target="_self"><img class="align-center" src="http://api.ning.com:80/files/a0gZpI6iXIK7dk-xM1dCL4elAnhTVUpRkIT80r0YPD*vKVyc4wNzQBgdPuAYA0nm*UlCDn1LoomtCnEzIKGY5kPnxgpFqTl-/1.PNG?width=559" width="559" /></a><br />
<a href="https://ylikonetarxeia.files.wordpress.com/2016/02/a_lykeiou_30ou_pmdx.pdf" target="_blank">Τάξη Α.</a><br />
<a href="https://ylikonetarxeia.files.wordpress.com/2016/02/b_lykeiou_30ou_pmdx.pdf" target="_blank">Τάξη Β.</a><br />
<a href="https://ylikonetarxeia.files.wordpress.com/2016/02/g_lykeiou_30ou_pmdx.pdf" target="_blank">Τάξη Γ.</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-37902392601044539782015-12-20T13:31:00.001+02:002023-10-24T22:15:31.515+03:00Ισχυρό ή ασθενές το οξύ;<div dir="ltr" style="text-align: left;" trbidi="on">
<div class="MsoNormal">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">Έστω διάλυμα Υ με όγκο 200ml ενός οξέος ΗΑ με </span><span face=""verdana" , "sans-serif"" lang="EN-US" style="font-size: 10pt; line-height: 150%; mso-ansi-language: EN-US;">p</span><span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">Η=x. Το διάλυμα αυτό χρειάζεται 100ml
διαλύματος ΝαΟΗ 2Μ για πλήρη εξουδετέρωση. Αν στο διάλυμα Υ ρίξουμε 0,002mοl
άλατος του νατρίου ΝαΑ (χωρίς να μεταβληθεί ο όγκος), το pΗ αλλάζει και παίρνει
τιμή ίση με 4. <o:p></o:p></span></div>
<div class="MsoNormal" style="margin-left: 22.65pt; text-indent: -17pt;">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">i) Μπορείτε να εξηγείστε χωρίς να καταφύγετε σε
υπολογισμούς, αν το οξύ ΗΑ είναι ισχυρό ή ασθενές; <o:p></o:p></span></div>
<div class="MsoNormal" style="margin-left: 22.65pt; text-indent: -17pt;">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">ii)
Ποια η συγκέντρωση του διαλύματος Υ; <o:p></o:p></span></div>
<div class="MsoNormal" style="margin-left: 22.65pt; text-indent: -17pt;">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">iii)
Ποια η τιμή του x; <o:p></o:p></span></div>
<div class="MsoNormal" style="margin-left: 22.65pt; text-indent: -17pt;">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">iv)
Προσθέτουμε στο διάλυμα Υ, λ mοl στερεού ΝαΟΗ, όπου λ>0,2, χωρίς μεταβολή του όγκου, με αποτέλεσμα στο νέο
διάλυμα Υ΄ που παίρνουμε, η συγκέντρωση
των αδιάστατων μορίων του οξέος να παίρνει την τιμή [ΗΑ]=10<sup>-7</sup>Μ.<o:p></o:p></span></div>
<div class="MsoNormal" style="margin-left: 39.7pt; text-indent: -17pt;">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">α)
Να βρεθεί το pΗ του διαλύματος Υ΄.<o:p></o:p></span></div>
<div class="MsoNormal" style="margin-left: 39.7pt; text-indent: -17pt;">
<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">β)
Να υπολογιστεί η τιμή του λ, των mοl του ΝαΟΗ που προσθέσαμε.<o:p></o:p></span></div>
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<span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;">Δίνεται k<sub>w</sub>=10<sup>-14</sup>.<br /><o:p></o:p></span></div><div class="MsoNormal"><span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;"><br /></span></div><div class="MsoNormal"><span face=""verdana" , "sans-serif"" style="font-size: 10pt; line-height: 150%;"><div dir="ltr" style="background-color: #fdfbfc; box-sizing: inherit; color: #6d6d6d; font-family: Lato, sans-serif; font-size: 16px;"><div class="MsoNormal" style="box-sizing: inherit; margin: 6pt 0px;"><span style="box-sizing: inherit; font-weight: 700; line-height: inherit;"><i style="box-sizing: inherit; line-height: inherit;"><span style="box-sizing: inherit; color: #0070c0; font-family: verdana, "sans-serif"; font-size: 10pt; line-height: 20px;"><a href="https://blogs.e-me.edu.gr/hive-ylikonet/wp-content/uploads/sites/300202/2023/10/%CE%99%CF%83%CF%87%CF%85%CF%81%CF%8C-%CE%AE-%CE%B1%CF%83%CE%B8%CE%B5%CE%BD%CE%AD%CF%82-%CF%84%CE%BF-%CE%BF%CE%BE%CF%8D.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #d5104e; line-height: inherit; text-decoration-line: none; transition: all 0.2s ease 0s; word-break: break-word;" target="_blank">Απάντηση:</a></span></i></span></div><div class="MsoNormal" style="box-sizing: inherit; margin: 6pt 0px;"><span style="box-sizing: inherit; font-weight: 700; line-height: inherit;"><i style="box-sizing: inherit; line-height: inherit;"><span style="box-sizing: inherit; color: #0070c0; font-family: verdana, "sans-serif"; font-size: 10pt; line-height: 20px;">ή</span></i></span></div><div style="box-sizing: inherit;"><span style="box-sizing: inherit; color: black; font-family: "Times New Roman"; font-size: medium; font-weight: 700; line-height: normal;"><i style="box-sizing: inherit; line-height: inherit;"><span style="box-sizing: inherit; color: #0070c0; font-family: verdana, sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F4.bp.blogspot.com%2F-HMpyEwcGtUI%2FVCzbzv_mowI%2FAAAAAAAAVaU%2F6qPfiuSDFOQ%2Fs1600%2Fimage004.png&container=blogger&gadget=a&rewriteMime=image%2F*&width=35" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #3d85c6; line-height: 10.7333px; text-decoration-line: none; transition: all 0.2s ease 0s; word-break: break-word;" target="_blank"><img alt="" class="align-full" src="https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F4.bp.blogspot.com%2F-HMpyEwcGtUI%2FVCzbzv_mowI%2FAAAAAAAAVaU%2F6qPfiuSDFOQ%2Fs1600%2Fimage004.png&container=blogger&gadget=a&rewriteMime=image%2F*&width=30" style="border: none; box-sizing: inherit; height: auto; max-width: 100%; position: relative;" width="30" /></a><a href="https://dmargaris.files.wordpress.com/2023/10/ce99cf83cf87cf85cf81cf8c-ceae-ceb1cf83ceb8ceb5cebdceadcf82-cf84cebf-cebfcebecf8d.pdf" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #d5104e; line-height: inherit; text-decoration-line: none; transition: all 0.2s ease 0s; word-break: break-word;" target="_blank"> Ισχυρό ή ασθενές το οξύ;</a></span></i></span></div><div style="box-sizing: inherit;"></div></div><div style="background-color: #fdfbfc; box-sizing: inherit; color: #6d6d6d; font-family: Lato, sans-serif; font-size: 16px;"><span style="box-sizing: inherit; color: black; font-family: "Times New Roman"; font-size: medium; font-weight: 700; line-height: normal;"><i style="box-sizing: inherit; line-height: inherit;"><span style="box-sizing: inherit; color: #0070c0; font-family: verdana, sans-serif; font-size: 10pt; line-height: 20px;"><a href="https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F4.bp.blogspot.com%2F-HMpyEwcGtUI%2FVCzbzv_mowI%2FAAAAAAAAVaU%2F6qPfiuSDFOQ%2Fs1600%2Fimage004.png&container=blogger&gadget=a&rewriteMime=image%2F*&width=35" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #3d85c6; line-height: 10.7333px; text-decoration-line: none; transition: all 0.2s ease 0s; word-break: break-word;" target="_blank"><img alt="" class="align-full" src="https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F4.bp.blogspot.com%2F-HMpyEwcGtUI%2FVCzbzv_mowI%2FAAAAAAAAVaU%2F6qPfiuSDFOQ%2Fs1600%2Fimage004.png&container=blogger&gadget=a&rewriteMime=image%2F*&width=30" style="border: none; box-sizing: inherit; height: auto; max-width: 100%; position: relative;" width="30" /></a><a href="https://www.dropbox.com/scl/fi/fj3k9ssenoq1bx3w93gz5/.pdf?rlkey=hm3g7ceib3w26hb5pzkiabtxm&dl=0" rel="noopener" style="background-color: transparent; box-sizing: inherit; color: #d5104e; line-height: inherit; text-decoration-line: none; transition: all 0.2s ease 0s; word-break: break-word;" target="_blank"> Ισχυρό ή ασθενές το οξύ;</a></span></i></span></div></span></div>
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<!--Blogger automated replacement: "https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F4.bp.blogspot.com%2F-HMpyEwcGtUI%2FVCzbzv_mowI%2FAAAAAAAAVaU%2F6qPfiuSDFOQ%2Fs1600%2Fimage004.png&container=blogger&gadget=a&rewriteMime=image%2F*&width=30" with "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfvoA8NgfsWjFqDWFrTrPhTRtlIczI_UDjLBN41MjVIvDUECqJn75p_hibDxyk7nge_wtrpiyyq9-uyKqFd8XFJonCXwhYqvWR_J3zoP074eUYjpp007tiTwqqEeU20mV-F1yPJhlti9s/s1600/image004.png"--><!--Blogger automated replacement: "https://images-blogger-opensocial.googleusercontent.com/gadgets/proxy?url=http%3A%2F%2F4.bp.blogspot.com%2F-HMpyEwcGtUI%2FVCzbzv_mowI%2FAAAAAAAAVaU%2F6qPfiuSDFOQ%2Fs1600%2Fimage004.png&container=blogger&gadget=a&rewriteMime=image%2F*&width=35" with "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfvoA8NgfsWjFqDWFrTrPhTRtlIczI_UDjLBN41MjVIvDUECqJn75p_hibDxyk7nge_wtrpiyyq9-uyKqFd8XFJonCXwhYqvWR_J3zoP074eUYjpp007tiTwqqEeU20mV-F1yPJhlti9s/s1600/image004.png"--><!--Blogger automated replacement: "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfvoA8NgfsWjFqDWFrTrPhTRtlIczI_UDjLBN41MjVIvDUECqJn75p_hibDxyk7nge_wtrpiyyq9-uyKqFd8XFJonCXwhYqvWR_J3zoP074eUYjpp007tiTwqqEeU20mV-F1yPJhlti9s/s1600/image004.png" with "https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfvoA8NgfsWjFqDWFrTrPhTRtlIczI_UDjLBN41MjVIvDUECqJn75p_hibDxyk7nge_wtrpiyyq9-uyKqFd8XFJonCXwhYqvWR_J3zoP074eUYjpp007tiTwqqEeU20mV-F1yPJhlti9s/s1600/image004.png"-->Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-82930201000260203772015-06-13T18:53:00.001+03:002015-06-13T18:53:25.750+03:00Θέματα Επαναληπτικών Πανελλαδικών Χημείας 2015<div dir="ltr" style="text-align: left;" trbidi="on">
<a href="http://api.ning.com/files/Wib7New*844SefIv8KigYYZK9ou0saSsYI3nES2SVBwZU5Dqp3uH0FZHwKsn0xPlG6ygPPRZEHY420swgLkPVx6sm8v8qiW8/1.PNG" target="_self"><img class="align-center" src="http://api.ning.com:80/files/Wib7New*844SefIv8KigYYZK9ou0saSsYI3nES2SVBwZU5Dqp3uH0FZHwKsn0xPlG6ygPPRZEHY420swgLkPVx6sm8v8qiW8/1.PNG?width=600" width="600" /></a><br />
<a href="https://docs.google.com/viewerng/viewer?url=http://kelafas.gr/images/stories/Panellinies/2015/epanaliptikes/chem_epan_2015_e.pdf" target="_blank">Συνέχεια</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-24525646434622395212015-06-11T18:50:00.002+03:002015-06-11T18:51:47.942+03:00Θέματα Επαναληπτικών Πανελλαδικών Χημείας- Βιοχημείας 2015<p><a href="http://api.ning.com:80/files/gikBPgJguSWl3*3boKg7HonnVXE1RZZY3IcbOyjT740-ydKNVx1Qt3wAii20iJ2976u7wcQZZN0Rwr66zcm9CakTPu3nYBhI/1.PNG" target="_self"><img src="http://api.ning.com:80/files/gikBPgJguSWl3*3boKg7HonnVXE1RZZY3IcbOyjT740-ydKNVx1Qt3wAii20iJ2976u7wcQZZN0Rwr66zcm9CakTPu3nYBhI/1.PNG?width=600" width="600" class="align-center" /></a></p>
<p><a target="_self" href="http://api.ning.com:80/files/gikBPgJguSVDIuvlvt3Tfw5kzdhHQnvtHnCMWfrIG7k*dwEJ29JWhSk3KjAcpR-HkicpBlVF9jTnZFohG*YW4hzlwFnsTZF*/biox15.pdf">Εκφώνηση</a></p>Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-42658386694434250392015-05-29T08:56:00.000+03:002015-05-29T08:56:36.274+03:00Θέματα Πανελλαδικών εξετάσεων Βιολογίας Κατ. 2015<div dir="ltr" style="text-align: left;" trbidi="on">
<div dir="ltr" style="text-align: left;" trbidi="on">
<a href="http://api.ning.com/files/NHPaItPS5EjnN8vy16WTvUGJZusNPwBMlkAak59xEa0RK2aGQOgU9oYaXwrJ3aRUHSyvCUm1kgQCAliVIbZy586dDFEmv9Ib/1.PNG" target="_self"><img class="align-center" src="http://api.ning.com:80/files/NHPaItPS5EjnN8vy16WTvUGJZusNPwBMlkAak59xEa0RK2aGQOgU9oYaXwrJ3aRUHSyvCUm1kgQCAliVIbZy586dDFEmv9Ib/1.PNG?width=600" width="600" /></a></div>
Δείτε όλα τα θέματα με κλικ <a href="http://www.minedu.gov.gr/publications/docs2015/EXETASEIS-2015/them_bio_kat_c_hmer_no_150522.pdf" target="_blank">εδώ.</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-4607277740868741732015-05-29T08:46:00.002+03:002015-05-29T08:48:01.720+03:00Θέματα Πανελλαδικών εξετάσεων Χημεία Θετικής. 2015<div dir="ltr" style="text-align: left;" trbidi="on">
<a href="http://api.ning.com/files/oJI0y6HlVvQVhnB0QlFeCMuN7**GItkykWPW0cM6d22*X0pX989PoDBLnD3IyeY0HUDGGdgwajfDrxiKRx4MJ273o4oycKyb/1.PNG" target="_self"><img class="align-center" src="http://api.ning.com:80/files/oJI0y6HlVvQVhnB0QlFeCMuN7**GItkykWPW0cM6d22*X0pX989PoDBLnD3IyeY0HUDGGdgwajfDrxiKRx4MJ273o4oycKyb/1.PNG?width=600" width="600" /></a><br />
Δείτε όλα τα θέματα από εδώ:<br />
Χημεία κατεύθυνσης <a href="http://www.minedu.gov.gr/publications/docs2015/EXETASEIS-2015/them_xhm_kat_c_hmer_no_150527.pdf" target="_blank">Ενιαίο Λύκειο</a><br />
Χημεία κατεύθυνσης <a href="http://www.minedu.gov.gr/publications/docs2015/EXETASEIS-2015/them_xhm_kat_d_esp_no_150527.pdf" target="_blank">Εσπερινό Λύκειο</a><br />
Ενδεικτικές απαντήσεις από τον Τάσο Μπόκαρη <strong><a href="https://copy.com/1zTqjQTJlvZgkznR/%CE%91%CE%A0%CE%91%CE%9D%CE%A4%CE%97%CE%A3%CE%95%CE%99%CE%A3+%CE%A7%CE%97%CE%9C%CE%95%CE%99%CE%91%CE%A3.PDF?" target="_blank">εδώ</a>.</strong><br />
Οι απαντήσεις απ'ο τον Κώστα Χαρκοπλιά <strong> <a href="http://www.charkopl.blogspot.gr/2015/05/2015_27.html" target="_blank">εδώ</a>.</strong></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-56816434436216723062015-05-22T10:12:00.002+03:002015-05-22T10:12:54.220+03:00Θέματα Πανελλαδικών εξετάσεων Βιολογίας Γ.Π. 2015<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="http://api.ning.com/files/yIRAODsxTEx4hr1PqkdsHkHtjKYitIvWh3rgc1yKT76TnJDtvjob*zF5*XB-c*wXv8fxeeynKN2CSXGNxWlAhrriyB1biUyV/1.PNG" target="_self"><img class="align-center" src="http://api.ning.com:80/files/yIRAODsxTEx4hr1PqkdsHkHtjKYitIvWh3rgc1yKT76TnJDtvjob*zF5*XB-c*wXv8fxeeynKN2CSXGNxWlAhrriyB1biUyV/1.PNG?width=589" width="589" /></a><br />
Δείτε όλα τα θέματα με κλικ <a href="http://www.minedu.gov.gr/publications/docs2015/EXETASEIS-2015/them_bio_gen_c_hmer_no_150520.pdf" target="_blank">εδώ.</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-27273985193994495372015-05-17T10:23:00.000+03:002016-03-19T16:59:41.043+02:00Διαγωνισμός Χημείας ΕΕΧ 2015<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYnKHuMhpyQGtw-TqiPqtMgQMl5ap-9hETYUR_pAGPSsQTjy_XzXfDcMuy9Bkzi2Lv1babrRvUIQBTZwzg7xBuOEl-3CFSL83WfGuMNEyjc_twVIgfkR804oG5YOlxHWzVGGU5e2eL_A8/s1600/1.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiYnKHuMhpyQGtw-TqiPqtMgQMl5ap-9hETYUR_pAGPSsQTjy_XzXfDcMuy9Bkzi2Lv1babrRvUIQBTZwzg7xBuOEl-3CFSL83WfGuMNEyjc_twVIgfkR804oG5YOlxHWzVGGU5e2eL_A8/s640/1.PNG" width="640" /></a></div>
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<span style="background-color: white; color: #333333; font-family: "arial" , "tahoma" , "helvetica" , "freesans" , sans-serif; font-size: 14.8500003814697px; line-height: 20.7900009155273px;">Δείτε τα θέματα:</span><br />
<a href="https://ylikonetarxeia.files.wordpress.com/2016/02/29os_diag_xhm_alyk_2015.pdf" target="_blank">Τάξη Α.</a><br />
<a href="https://ylikonetarxeia.files.wordpress.com/2016/02/29os_diag_xhm_blyk_2015.pdf" style="background-color: white; color: #3d85c6; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 14.8500003814697px; line-height: 20.7900009155273px; text-decoration: none;" target="_blank">Τάξη Β.</a><br />
<a href="https://ylikonetarxeia.files.wordpress.com/2016/02/29os_diag_xhm_glyk_2015.pdf" style="background-color: white; color: #3d85c6; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 14.8500003814697px; line-height: 20.7900009155273px; text-decoration: none;" target="_blank">Τάξη Γ.</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-92123596531498280632015-05-17T10:19:00.000+03:002015-05-17T10:23:47.402+03:00Διαγωνισμός Χημείας 2014<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7oX4Kpjwb7tUeTKN5AM5FaK8fGs3haWct1VhCki4Wr_rTz2CmN5SrIHujsixEWGDWlKpMfF7dHbHkeXmgF9-Fc9jjJI3w97ll940wqTk1UIP22sZNejsmbyox9CjNKzKs_WFoT3O65B8/s1600/1.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg7oX4Kpjwb7tUeTKN5AM5FaK8fGs3haWct1VhCki4Wr_rTz2CmN5SrIHujsixEWGDWlKpMfF7dHbHkeXmgF9-Fc9jjJI3w97ll940wqTk1UIP22sZNejsmbyox9CjNKzKs_WFoT3O65B8/s640/1.PNG" width="640" /></a></div>
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<div class="separator" style="clear: both; text-align: left;">
<span style="background-color: white; color: #333333; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 14.8500003814697px; line-height: 20.7900009155273px;">Δείτε τα θέματα:</span></div>
<a href="http://www.eex.gr/DocLib1/%CE%92%CE%84%CE%9B%CF%85%CE%BA%CE%B5%CE%AF%CE%BF%CF%85%20%CE%B8%CE%AD%CE%BC%CE%B1%CF%84%CE%B1%20%CF%80%CF%81%CE%BF%CF%82%20%CE%B1%CE%BD%CE%B1%CF%81%CF%84%CE%B7%CF%83%CE%B7.pdf" style="background-color: white; color: #3d85c6; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 14.8500003814697px; line-height: 20.7900009155273px; text-decoration: none;" target="_blank">Τάξη Β.</a><br />
<a href="http://www.eex.gr/DocLib1/%CE%93%CE%84%20%CE%9B%CF%85%CE%BA%CE%B5%CE%AF%CE%BF%CF%85%20%CE%B8%CE%AD%CE%BC%CE%B1%CF%84%CE%B1%20%CF%80%CF%81%CE%BF%CF%82%20%CE%B1%CE%BD%CE%AC%CF%81%CF%84%CE%B7%CF%83%CE%B7.pdf" style="background-color: white; color: #3d85c6; font-family: Arial, Tahoma, Helvetica, FreeSans, sans-serif; font-size: 14.8500003814697px; line-height: 20.7900009155273px; text-decoration: none;" target="_blank">Τάξη Γ.</a><br />
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-70516531630383501792014-06-23T22:08:00.002+03:002014-06-23T22:08:30.873+03:00Επαναληπτικές εξετάσεις. Βιολογία κατ. 2014<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="http://api.ning.com/files/bQfOv76fsJc3*VWXTD9A1fjuU0fs3WUdz1UbrOY*t0Nf7*Gi8onewQ0wGhE3J3AVdpU-aIa5MXxeF3E3oOiGePaHeL1uEAu3/image003.png" target="_self"><img class="align-center" src="http://api.ning.com:80/files/bQfOv76fsJc3*VWXTD9A1fjuU0fs3WUdz1UbrOY*t0Nf7*Gi8onewQ0wGhE3J3AVdpU-aIa5MXxeF3E3oOiGePaHeL1uEAu3/image003.png" width="529" /></a><br />
Δείτε όλα τα θέματα από <a href="http://geocities.ws/ylikonet/%CE%95%CE%BE%CE%B5%CF%84%CE%AC%CF%83%CE%B5%CE%B9%CF%82%202014/epan_biokat_epan_2014.pdf" target="_blank">εδώ.</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-70814253611795496212014-06-07T11:09:00.002+03:002014-06-07T11:09:39.286+03:00Με αφορμή ένα ερώτημα εξετάσεων…<div dir="ltr" style="text-align: left;" trbidi="on">
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<span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; line-height: 150%;">Δίνεται ένα διάλυμα άλατος ΝΗ<sub>4</sub>Α συγκέντρωσης
1Μ. Να βρεθεί το pΗ του διαλύματος και οι τελικές συγκεντρώσεις των ιόντων ΝΗ<sub>4</sub><sup>+</sup>
και Α<sup>-</sup> στο διάλυμα. <o:p></o:p></span></div>
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<span style="font-family: "Verdana","sans-serif"; font-size: 10.0pt; line-height: 150%;">Δίνονται: Κ<sub>bΝΗ3</sub>=10<sup>-5</sup> και Κ<sub>αΗΑ</sub>=10<sup>-10</sup>,
ενώ Κ<sub>w</sub>=10<sup>-14</sup>.<o:p></o:p></span></div>
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<b><i><span style="color: #548dd4; font-family: "Verdana","sans-serif"; font-size: 10.0pt; line-height: 150%; mso-themecolor: text2; mso-themetint: 153;"><a href="http://margaris.esy.es/8.%20%CE%A7%CE%B7%CE%BC%CE%B5%CE%AF%CE%B1/%CE%9C%CE%B5%20%CE%B1%CF%86%CE%BF%CF%81%CE%BC%CE%AE%20%CE%AD%CE%BD%CE%B1%20%CE%B5%CF%81%CF%8E%CF%84%CE%B7%CE%BC%CE%B1%20%CE%B5%CE%BE%CE%B5%CF%84%CE%AC%CF%83%CE%B5%CF%89%CE%BD%E2%80%A6.pdf" target="_blank">Απάντηση:</a></span></i></b><b><i><span lang="EN-US" style="color: #548dd4; font-family: "Verdana","sans-serif"; font-size: 10.0pt; line-height: 150%; mso-ansi-language: EN-US; mso-themecolor: text2; mso-themetint: 153;"><o:p></o:p></span></i></b></div>
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<b><i>ή</i></b></div>
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<b><i><a href="http://geocities.ws/margaris/8.%20%CE%A7%CE%B7%CE%BC%CE%B5%CE%AF%CE%B1/%CE%9C%CE%B5%20%CE%B1%CF%86%CE%BF%CF%81%CE%BC%CE%AE%20%CE%AD%CE%BD%CE%B1%20%CE%B5%CF%81%CF%8E%CF%84%CE%B7%CE%BC%CE%B1%20%CE%B5%CE%BE%CE%B5%CF%84%CE%AC%CF%83%CE%B5%CF%89%CE%BD%E2%80%A6.pdf" target="_blank">Με αφορμή ένα ερώτημα εξετάσεων…</a></i></b></div>
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<b><i><a href="https://docs.zoho.com/viewuploadeddoc.do?docId=egrja7791d3f950ac4c5e8597f1b69db38e4b&ftype=pdf&filename=%CE%9C%CE%B5+%CE%B1%CF%86%CE%BF%CF%81%CE%BC%CE%AE+%CE%AD%CE%BD%CE%B1+%CE%B5%CF%81%CF%8E%CF%84%CE%B7%CE%BC%CE%B1+%CE%B5%CE%BE%CE%B5%CF%84%CE%AC%CF%83%CE%B5%CF%89%CE%BD%E2%80%A6.pdf&view=view" target="_blank">Με αφορμή ένα ερώτημα εξετάσεων…</a></i></b></div>
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Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0tag:blogger.com,1999:blog-8324854421727053249.post-32316248430494498862014-06-06T11:01:00.003+03:002014-06-06T11:01:13.479+03:00Εξετάσεις. Χημεία Θετ. 2014.<div dir="ltr" style="text-align: left;" trbidi="on">
<a href="http://api.ning.com/files/QsQ1m7RyND28wXJF0ZHPeAt9ph4ktoel3CVRcTmIzhBpearDsP-cD02u3fnppweY2wwfhRGy5sEHHfKjGha9DYIrmRkOXirw/image002.png" target="_self"><img class="align-center" src="http://api.ning.com:80/files/QsQ1m7RyND28wXJF0ZHPeAt9ph4ktoel3CVRcTmIzhBpearDsP-cD02u3fnppweY2wwfhRGy5sEHHfKjGha9DYIrmRkOXirw/image002.png" width="612" /></a><br />
Όλα τα θέματα με κλικ <a href="http://geocities.ws/ylikonet/%CE%98%CE%AD%CE%BC%CE%B1%CF%84%CE%B1%20%CE%B5%CE%BE%CE%B5%CF%84%CE%AC%CF%83%CE%B5%CF%89%CE%BD/them_xhm_kat_c_hmer_no_140606.pdf" target="_blank">εδώ.</a></div>
Διονύσης Μάργαρηςhttp://www.blogger.com/profile/11918980095998765849noreply@blogger.com0