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Chemistry

Chemistry discussion, revision, exam and homework help.
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Ionic bondingAS level 10 hours ago 25 Apr 20:55 Replies: 3 Views: 65
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Organic synthesis question, 3 step process 10 hours ago 25 Apr 20:44 Replies: 5 Views: 145
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What has a higher melting/boiling point Aldehyde or Ketone? 11 hours ago 25 Apr 20:25 Replies: 3 Views: 83
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Chemistry exam prep and post-exam discussion.
OCR Chemistry A 2017 Exam... by AAls 14 hours ago 4,141
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Sticky: OCR A 2016 Chemistry A* A-Level Resources (Pgs: 1 2 3 4 5 ) 1 week ago 16 Apr 14:50 Replies: 519 Views: 100,629
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Sticky: Excellent Chemistry Resources (Pgs: 1 2 3 4 5 ) 1 week ago 12 Apr 19:48 Replies: 133 Views: 129,551
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Sticky: TSR Chemistry Society (Pgs: 1 2 3 4 5 ) 22-02-2017 22 Feb 16:44 Replies: 4,190 Views: 218,323
3
Ionic bondingAS level 10 hours ago 25 Apr 20:55 Replies: 3 Views: 65
5
Organic synthesis question, 3 step process 10 hours ago 25 Apr 20:44 Replies: 5 Views: 145
3
What has a higher melting/boiling point Aldehyde or Ketone? 11 hours ago 25 Apr 20:25 Replies: 3 Views: 83
1
chemisrty 1 week ago 16 Apr 15:28 Replies: 1 Views: 77
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Organic question help 1 week ago 16 Apr 13:20 Replies: 8 Views: 137
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Colloidal suspension calculationUndergraduate 1 week ago 16 Apr 11:56 Replies: 0 Views: 70
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determining contents in a tablet helpA-level 1 week ago 16 Apr 11:15 Replies: 4 Views: 109
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Chemistry titration question 1 week ago 16 Apr 3:09 Replies: 2 Views: 94
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HELP!!! Chem New Spec questions! 1 week ago 15 Apr 20:54 Replies: 8 Views: 167
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chem help PLEASE ANY WHO DID AS CHEM LAST YEAR 1 week ago 15 Apr 20:13 Replies: 6 Views: 195
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Ammonia better ligand than water, why?A-level 1 week ago 15 Apr 18:49 Replies: 4 Views: 203
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Why does Group 1 element would not make a suitable choice to make saucepans from? 1 week ago 15 Apr 16:42 Replies: 2 Views: 86
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Percentage Abundance Question 1 week ago 15 Apr 16:33 Replies: 1 Views: 62
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Condensation polymerisation questionA-level 1 week ago 15 Apr 16:23 Replies: 1 Views: 67
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Calculation helpA-level 1 week ago 15 Apr 15:36 Replies: 8 Views: 105
21
Concentrated Sulfuric Acid reactions with Sodium Halides (Pgs: 1 2) 1 week ago 15 Apr 14:59 Replies: 21 Views: 336
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chemical equation questionA-level 1 week ago 15 Apr 14:46 Replies: 10 Views: 167
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Kc question - working out molesA-level 1 week ago 15 Apr 13:14 Replies: 2 Views: 118
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Chemistry help needed please!!! 1 week ago 15 Apr 13:03 Replies: 2 Views: 64
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Why does Kc only change with temperature?A-level 1 week ago 15 Apr 12:26 Replies: 4 Views: 100
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Titanium extractionA-level 1 week ago 15 Apr 12:11 Replies: 2 Views: 73
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AQA Chem: "structural formula"....AS level 1 week ago 14 Apr 22:02 Replies: 4 Views: 112
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Find equilibrium amount and calculate Kc and state the units if any? 1 week ago 14 Apr 21:38 Replies: 11 Views: 181
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Need help with mass spectrometryUndergraduate 1 week ago 14 Apr 20:55 Replies: 0 Views: 89
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OCR A - Chemistry A Level (2015 new specification) (Pgs: 1 2) 1 week ago 14 Apr 18:58 Replies: 34 Views: 3,490
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Higher Chemistry Past Papers 1 week ago 14 Apr 15:42 Replies: 3 Views: 93
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Explain how the following changes would affect the time taken to reach equilibrium 1 week ago 14 Apr 15:31 Replies: 2 Views: 71
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Equilibrium quesA-level (Pgs: 1 2 3) 1 week ago 14 Apr 14:51 Replies: 49 Views: 654
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Chemistry PH buffer solution 1 week ago 14 Apr 12:17 Replies: 5 Views: 104
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Chemistry question HELP 1 week ago 14 Apr 11:42 Replies: 16 Views: 232
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Moles to moles help! 1 week ago 14 Apr 11:10 Replies: 1 Views: 95
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Using nitric acid as an oxidising agent - redox titrations 1 week ago 14 Apr 10:21 Replies: 3 Views: 111
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Hydrogen fuel cell in alkaline conditions 1 week ago 14 Apr 9:37 Replies: 5 Views: 157
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Limiting reactant problem 1 week ago 14 Apr 9:30 Replies: 2 Views: 92
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Moles to moles! 1 week ago 14 Apr 6:49 Replies: 2 Views: 118
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Optical isomers complex ions 1 week ago 13 Apr 20:15 Replies: 5 Views: 110
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Molarities and concentrations in solutions help? 1 week ago 13 Apr 19:15 Replies: 7 Views: 5,206
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Acid question help neededA-level 1 week ago 13 Apr 17:33 Replies: 8 Views: 160
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Why is the nitration of methylbenene faster/reactive than benzene? 1 week ago 13 Apr 17:21 Replies: 2 Views: 100
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Intermolecular forces 1 week ago 13 Apr 17:14 Replies: 4 Views: 104
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Equilibrium question involving catalystA-level 1 week ago 13 Apr 15:18 Replies: 4 Views: 81
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revision 1 week ago 13 Apr 14:00 Replies: 3 Views: 131
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Is this a reasonable mistake to make?A-level 1 week ago 13 Apr 13:41 Replies: 0 Views: 83
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Moles and EquationsAS level 1 week ago 13 Apr 13:01 Replies: 2 Views: 74
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Number of Ions in a Molecule using Avogadro's ConstantA-level 1 week ago 13 Apr 12:45 Replies: 10 Views: 207
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Nomenclature 1 week ago 13 Apr 11:37 Replies: 13 Views: 240
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Chemistry revision group (A level) on whatsapp 1 week ago 13 Apr 10:57 Replies: 2 Views: 145
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Edexcel AS/A Level Chemistry Student Book 1 AnswersAS level 1 week ago 13 Apr 10:30 Replies: 1 Views: 90
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Tms - nmr 1 week ago 13 Apr 10:08 Replies: 3 Views: 120
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AQA SnapreviseA-level 1 week ago 13 Apr 9:32 Replies: 2 Views: 96
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Chemistry help please? 1 week ago 12 Apr 23:36 Replies: 8 Views: 170
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Why does complex ion formation change the melting and boiling points 1 week ago 12 Apr 22:06 Replies: 1 Views: 71
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Effect of concentration on cell potential - Electrochemistry 1 week ago 12 Apr 20:18 Replies: 2 Views: 91
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Name that biomolecule from chemical structure diagrams.....any suggestions? 1 week ago 12 Apr 19:55 Replies: 14 Views: 236
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Silly question on rates of reaction (June 2010)A-level 1 week ago 12 Apr 18:25 Replies: 3 Views: 95
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chemistry unit 3 november 2016 1 week ago 12 Apr 18:23 Replies: 1 Views: 74
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Stuck on mass spectrometry question 1 week ago 12 Apr 18:12 Replies: 3 Views: 99
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Help with past paper question 1 week ago 12 Apr 18:11 Replies: 5 Views: 146
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Help with ocr as level paper question 1 week ago 12 Apr 17:30 Replies: 1 Views: 80
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ocr as level paper question 1 week ago 12 Apr 16:03 Replies: 0 Views: 71
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calling all A-level chemistry students- A/A* 1 week ago 12 Apr 14:51 Replies: 8 Views: 259
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Reaction rates 1 week ago 12 Apr 14:12 Replies: 3 Views: 97
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chemistry 1 week ago 12 Apr 12:59 Replies: 1 Views: 57
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Is it too late to revise for AS exams? 1 week ago 12 Apr 12:35 Replies: 5 Views: 224
2
Acyl chloride reactions with secondary and tertiary amides???? 1 week ago 12 Apr 12:24 Replies: 2 Views: 133
19
Peaks in mass spectrometry 1 week ago 12 Apr 11:43 Replies: 19 Views: 282
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IonsA-level 1 week ago 12 Apr 7:41 Replies: 1 Views: 91
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Adaptions for Gas exchange Question 2 weeks ago 12 Apr 6:16 Replies: 1 Views: 93
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Rate constant of phenol and sodium hydroxideUndergraduate 2 weeks ago 12 Apr 4:41 Replies: 6 Views: 506
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Chemistry a level 2 weeks ago 12 Apr 4:16 Replies: 1 Views: 120
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Transition Metal Colours 2 weeks ago 11 Apr 23:47 Replies: 6 Views: 191
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Explain the redox reaction involved in the titration ? 2 weeks ago 11 Apr 22:19 Replies: 2 Views: 90
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Past Exam Question help! 2 weeks ago 11 Apr 21:23 Replies: 0 Views: 64
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Why does temperature effect the emf of a cell? What other conditions effect the emf? 2 weeks ago 11 Apr 20:41 Replies: 10 Views: 214
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CCEA GCSE Chemistry Revison HelpGCSE 2 weeks ago 11 Apr 20:35 Replies: 3 Views: 146
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Edexcel ALEVEL WCH06 Chemistry 16 May 2 weeks ago 11 Apr 17:09 Replies: 5 Views: 94
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Ethyl acetate 2 weeks ago 11 Apr 16:09 Replies: 1 Views: 75
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Btec national 2 weeks ago 11 Apr 15:06 Replies: 0 Views: 49
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what conditions for mechanisms in as level chemistry do we need to know? 2 weeks ago 11 Apr 11:53 Replies: 1 Views: 105
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Chemistry A2 Question 2 weeks ago 11 Apr 11:51 Replies: 2 Views: 85
Updated: April 26, 2017
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