Chemistry

AQAOCR GatewayEdexcel

Paper 1

1. Atomic structure

Atoms, elements, compounds, mixtures 13:05
Separating mixtures 07:41
Scientific models of the atom 04:24
Atomic Structure 08:17
Relative Atomic Mass 07:03
Electronic Structure 05:40
The Periodic Table 06:16
Group 0 – The Noble Gases 02:08
Group 1 – The Alkali Metals 11:40
Group 7 – Halogens 08:39
Transition elements 03:19

2. Bonding

Ionic Bonding 11:43
Covalent bonding 12:22
Metallic bonding 05:27
Solids, liquids and gases 10:10
Properties of ionic, covalent and metallic structures 09:40
Giant covalent structures 05:06
Graphene and fullerenes 02:58
Nanoparticles 04:40

3. Quantitative Chemistry

Conservation of mass and balanced chemical equations 09:34
Relative formula mass 04:16
The mole 06:28
Mass changes 02:36
Reacting masses 16:27
Concentration in g/dm3 04:50
Yield and atom economy 12:13
Concentration in mol/dm3 07:50
Gas volumes 08:57

4. Chemical Changes

The reactivity of metals 08:43
Displacement reactions 09:15
Extracting metals 04:46
Reactions of acids 10:21
Making Salts 04:52
The pH scale and neutralisation 05:21
Titrations 15:40
Strong and weak acids 08:35
Electrolysis of molten salts 13:10
Using electrolysis to extract metals 09:56
Electrolysis of aqueous salts 18:22

5. Energy Changes

Exothermic and endothermic reactions 08:44
Reaction profile diagrams 06:34
Calculating Energy Changes 07:53
Chemical cells 04:09
Fuel cells 06:46

Paper 2

6. Rate and extent of chemical change

Measuring rates of reaction 11:53
Interpreting rate graphs 09:04
Factors affecting rates of reaction 14:06
Collision theory and activation energy (including catalysts) 05:36
Reversible reactions and equilibrium 05:01
Factors affecting equilibrium 08:11

7. Organic Chemistry

Crude oil and alkanes 11:19
Combustion of hydrocarbons 06:29
Cracking and alkenes 07:35
Alkenes 09:54
Alcohols 08:29
Carboxylic acids 07:18
Addition polymerisation 06:49
Condensation polymerisation 04:50
Biological polymers 05:50

8. Chemical Analysis

Purity and formulations 02:50
Gas tests 05:48
Chromatography 13:57
Tests for cations 08:33
Tests for anions 07:06
Instrumental methods of analysis 03:57

9. Chemistry of the atmosphere

The Earth’s atmosphere 06:57
The greenhouse effect and global warming 10:41
Atmospheric pollutants 06:22

10. Using Resources

Sustainable development 04:33
Potable water 10:09
Alternative methods of extracting metals 06:02
Life cycle assessment 10:13
Corrosion and rusting 06:43
Using materials 11:02
The Haber process 06:24
NPK Fertilisers 06:52
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