Chemistry

AQAOCR GatewayEdexcel

1. Key concepts in chemistry

Developing the atomic model 04:36
Atomic Structure 08:21
Isotopes and RAM 06:59
The Periodic Table 06:07
Electronic Arrangements 06:56
Ionic Bonding 11:43
Covalent bonding 12:22
Metallic bonding 05:28
Properties of ionic, covalent and metallic structures 09:40
Giant covalent structures 08:24
Relative Formula Mass 04:14
Conservation of mass 08:46
Concentration in g/dm3 04:49
Reacting masses 16:27
The mole 06:02

Paper 1

2. States of matter and mixtures

States of matter 10:10
Purity 02:20
Methods of separating substances 07:27
Chromatography 14:04
Water for drinking 10:09

3. Chemical changes

Acids, alkalis and neutralisation 06:39
Investigating neutralisation 04:47
Strong and weak acids 08:31
Reactions of acids 07:02
Making Soluble Salts 04:45
Solubility and Making Insoluble Salts 06:00
Electrolysis of molten salts 13:10
Electrolysis of aqueous salts 14:35
Electrolysis of copper sulfate 08:34

4. Extracting metals and equilibria

The reactivity of metals 08:29
Displacement reactions 09:15
Extraction of metals and redox 04:46
Extraction of Aluminium 09:41
Biological extraction of metals 05:59
Recycling materials and Life Cycle Assessment 10:22
Reversible reactions and equilibrium 05:01
Factors affecting equilibrium 08:15

5. Separate chemistry 1

Transition metals 03:19
Corrosion and rusting 06:43
Alloys and the properties of metals 04:16
Concentration in mol/dm3 07:50
Titrations 15:40
Yield and atom economy 12:09
Gas volumes 08:56
The Haber process 06:23
Making Fertilisers 05:21
Chemical cells and fuel cells 10:34

Paper 2

6. Groups in the periodic table

Group 1 – The Alkali Metals 05:30
Group 7 – Halogens 11:10
Group 0 – The Noble Gases 02:55

7. Rates of reaction and energy changes

Measuring rates of reaction 11:48
Factors affecting rates of reaction 14:06
Collision theory and catalysts 05:37
Interpreting rate graphs 09:04
Exothermic and endothermic reactions 04:11
Reaction profile diagrams 06:30
Calculating Energy Changes 07:48

8. Fuels and Earth science

Crude oil and alkanes 11:10
Combustion of hydrocarbons 04:31
Pollution from combustion 06:22
Cracking 07:15
The Earth’s atmosphere 06:52
The greenhouse effect and global warming 10:39
Gas tests 05:39

9. Separate chemistry 2

Tests for positive ions 08:51
Tests for negative ions 07:03
Instrumental analysis 05:57
Alkenes 09:54
Addition Polymerisation 06:50
Condensation Polymerisation 04:53
Biological Polymers 05:49
Alcohols 10:24
Carboxylic acids 07:17
Nanoparticles 04:40
Using materials 07:28
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