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Chemistry

Chemistry discussion, revision, exam and homework help.
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So stuck on chemistry lectures (uni student) 5 hours ago 30 Apr 22:03 Replies: 7 Views: 127
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Is this Hess cycle correct?A-level 7 hours ago 30 Apr 20:17 Replies: 4 Views: 77
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Chemistry exam prep and post-exam discussion.
OCR Chemistry A 2017 Exam... by CheeseIsVeg 5 hours ago 4,142
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Sticky: OCR A 2016 Chemistry A* A-Level Resources (Pgs: 1 2 3 4 5 ) 2 weeks ago 16 Apr 14:50 Replies: 519 Views: 101,895
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7
So stuck on chemistry lectures (uni student) 5 hours ago 30 Apr 22:03 Replies: 7 Views: 127
11
Naming organic compound . 7 hours ago 30 Apr 20:39 Replies: 11 Views: 133
4
Is this Hess cycle correct?A-level 7 hours ago 30 Apr 20:17 Replies: 4 Views: 77
2
elp calculating final pH of weak acid - strong base titration? 01-01-2016 01 Jan 2016 16:32 Replies: 2 Views: 166
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Help calculating final pH of weak acid - strong base titration? 31-12-2015 31 Dec 2015 22:19 Replies: 7 Views: 339
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H (Proton) NMR and C13 NMRA-level 31-12-2015 31 Dec 2015 18:30 Replies: 16 Views: 549
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Could someone PLEASE help with those 4 questions? *multiple choices* :)AS level 31-12-2015 31 Dec 2015 17:23 Replies: 8 Views: 305
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Chlorinating and Fluorinating water- which is better? 30-12-2015 30 Dec 2015 16:54 Replies: 9 Views: 255
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how does dilute/concentrated sulfuric acid reacted with halides affectProduct 30-12-2015 30 Dec 2015 0:13 Replies: 0 Views: 162
17
Dear fellow chemists... 29-12-2015 29 Dec 2015 21:32 Replies: 17 Views: 495
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Furan chemistry 29-12-2015 29 Dec 2015 21:16 Replies: 10 Views: 403
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For I2^- What is the oxidation number of iodine? With 2 being a subscript(small) 29-12-2015 29 Dec 2015 20:49 Replies: 2 Views: 378
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Chem help here guysA-level 29-12-2015 29 Dec 2015 20:29 Replies: 3 Views: 225
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AS Chemistry - Redox 29-12-2015 29 Dec 2015 20:23 Replies: 6 Views: 1,077
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AS Level Chemistry - Bond polarity 29-12-2015 29 Dec 2015 19:18 Replies: 5 Views: 277
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lack of peak in H-NMR 29-12-2015 29 Dec 2015 17:43 Replies: 3 Views: 251
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Concordant results in titrationAS level 29-12-2015 29 Dec 2015 17:06 Replies: 7 Views: 1,917
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Define: oxidation number 29-12-2015 29 Dec 2015 16:58 Replies: 5 Views: 2,250
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Thinking of doing A-Level Chem - Which board? 29-12-2015 29 Dec 2015 15:50 Replies: 8 Views: 317
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Octane rating and Cetane number... 29-12-2015 29 Dec 2015 13:27 Replies: 0 Views: 109
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pH glass electrode. 29-12-2015 29 Dec 2015 12:53 Replies: 1 Views: 281
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Chemistry Question AS help!! 29-12-2015 29 Dec 2015 2:24 Replies: 3 Views: 231
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QuestionAS level 28-12-2015 28 Dec 2015 23:44 Replies: 4 Views: 698
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Ideal gas equations 27-12-2015 27 Dec 2015 22:25 Replies: 11 Views: 13,149
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Please help 27-12-2015 27 Dec 2015 21:26 Replies: 6 Views: 261
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2 multiple choice questionsAS level 27-12-2015 27 Dec 2015 18:42 Replies: 5 Views: 324
19
Weak and strong acids 27-12-2015 27 Dec 2015 15:51 Replies: 19 Views: 521
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Anyone has 2015 summer chemistry marking scheme?? Urgent pls help!AS level 27-12-2015 27 Dec 2015 15:23 Replies: 5 Views: 337
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Buffers question 27-12-2015 27 Dec 2015 15:04 Replies: 12 Views: 413
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Testing for carbonates and sulphates 27-12-2015 27 Dec 2015 13:58 Replies: 0 Views: 128
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passing electricity through sodium manganateAS level 27-12-2015 27 Dec 2015 11:28 Replies: 0 Views: 170
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What are the half equations for this reaction? 26-12-2015 26 Dec 2015 20:49 Replies: 6 Views: 385
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Ionic equation help please! 26-12-2015 26 Dec 2015 15:57 Replies: 5 Views: 10,109
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[AS Chemistry Help] Struggling to use oxidation states to balanced equations 26-12-2015 26 Dec 2015 10:41 Replies: 4 Views: 454
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Chemical energeticsAS level 25-12-2015 25 Dec 2015 16:24 Replies: 2 Views: 295
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AQA chemistry help! (Pgs: 1 2) 25-12-2015 25 Dec 2015 1:31 Replies: 27 Views: 5,445
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Exam question help Kc 24-12-2015 24 Dec 2015 21:14 Replies: 12 Views: 681
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Calculation of Entropy via a graph with only Cp and T values given 24-12-2015 24 Dec 2015 20:58 Replies: 0 Views: 155
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A2 OCR B Individual Investigation - Hardness of Water 24-12-2015 24 Dec 2015 20:11 Replies: 2 Views: 338
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Chemical energetics questionAS level 24-12-2015 24 Dec 2015 16:40 Replies: 6 Views: 641
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chem revision help 24-12-2015 24 Dec 2015 15:27 Replies: 19 Views: 702
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Hess's LawAS level 24-12-2015 24 Dec 2015 13:31 Replies: 6 Views: 411
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Kw 24-12-2015 24 Dec 2015 12:48 Replies: 2 Views: 252
18
Weak vs Strong acids 24-12-2015 24 Dec 2015 11:57 Replies: 18 Views: 724
15
Clear my confusion about Average bond enthalpy question? 23-12-2015 23 Dec 2015 23:16 Replies: 15 Views: 491
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Alkali vs strong base 23-12-2015 23 Dec 2015 20:34 Replies: 2 Views: 166
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Buffers 23-12-2015 23 Dec 2015 20:08 Replies: 4 Views: 172
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Cis to trans 23-12-2015 23 Dec 2015 19:20 Replies: 5 Views: 263
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C2GCSE 23-12-2015 23 Dec 2015 17:35 Replies: 2 Views: 184
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Chemistry question helpAS level 23-12-2015 23 Dec 2015 15:13 Replies: 5 Views: 457
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Electronic structures - Please help! 23-12-2015 23 Dec 2015 13:36 Replies: 2 Views: 163
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chemistry question HELP 23-12-2015 23 Dec 2015 13:15 Replies: 1 Views: 134
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Finding Chemical Formulas Based on Skeletal Structures 23-12-2015 23 Dec 2015 2:12 Replies: 2 Views: 206
Updated: April 30, 2017
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