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Curricula
GCSE
OCR
Chemistry
A Gateway
3. Chemical Reactions
3. Chemical Reactions
1
Introducing Chemical Reactions
1.1
Balancing Chemical Equations
1.2
Chemical Symbols & Formulae
1.3
Deducing Formulae Using Common Ions
1.4
Calculating Masses from Balanced Equations
1.5
The Avogadro Constant
1.6
Using Moles to Balance Equations
1.7
Writing Balanced Ionic Equations
1.8
Conservation of Mass
2
Energetics
2.1
Calculating Energy Changes
2.2
Exothermic & Endothermic Reactions
3
Types of Chemical Reactions
3.1
Oxidation & Reduction
3.2
Acids & Alkalis
3.3
Strong & Weak Acids
3.4
Effect of Hydrogen Ion Concentration on pH
3.5
Neutralisation
3.6
OxidatIon & Reduction in Terms of Electrons
4
Electrolysis
4.1
Reactions at Electrodes
4.2
Half Equations
4.3
Electrolysis
4.4
Electrolysis of Aqueous Solutions
