Area of Study 1
Industrial chemistry
Collision theory and reaction rate
Energy profiles
Yield in a chemical reaction
Equilibrium law
Le Chatelier’s principle and its application
Self-ionisation of water, Kw and pH
Acidity constants of weak acids, Ka
Transport of oxygen and carbon dioxide in the blood
Carbon monoxide poisoning
Chemical industry and its importance in modern society
Principles of waste management in chemical industry
Waste water treatment
Green chemistry
Sulfuric acid
Production of sulfuric acid
Health and safety considerations and minimisation of waste
Properties and uses of sulfuric acid
Ethene
Production of ethene
Health and safety considerations and minimisation of waste
Properties and uses of ethene
Ammonia
Production of ammonia
Health and safety considerations and waste minimisation
Properties and uses of ammonia
Nitric acid
Production of nitric acid
Health and safety considerations and minimisation of waste
Properties and uses of nitric acid
Industrial chemistry summary
Glossary
Revision checklist
Practice examination questions
Solutions to practice examination questions
Area of Study 2
Supplying and using energy
Introduction
Energy sources
Range of energy sources
Comparison of energy sources
Energy conversions
Thermochemistry
Heats of reaction
Calorimetry
Thermochemical equations
Specific heat capacity
Producing electricity from cells
Galvanic cells
The electrochemical series
Deciding half-cell polarity
Common galvanic cells: primary cells, secondary cells and fuel cells
Using electricity
Comparison of a galvanic cell and an electrolytic cell
Predicting reactions
Aqueous and non-aqueous electrolysis
Processes involving molten electrolytes
Processes involving an aqueous electrolyte
Electroplating
Electrorefining
Faraday’s laws of electrolysis
Supplying and using energy summary
Glossary
Revision checklist
Practice examination questions
Solutions to practice examination questions
Study and examination tips
Study techniques
Some specific advice on Unit 4 content
It is never too late to revise
The written examination
Structure
The data booklet
Reading time
Answering the questions
Multiple-choice questions
Short answer questions
Data appendices
1. Physical constants
2. Unit 4 formulae and data tables
3. The electrochemical series
4. The Periodic Table
5. 1H NMR data
6. 13C NMR data
7. Infrared absorption data
8. 2-amino acids
9. Formulae of some fatty acids
10. Structural formulae of some important biomolecules
11. Acid-base indicators
12. Acidity constants, Ka, of some weak acids
13. Values of molar enthalpy of combustion of some common fuels