Chemistry GCSE
Half equations
What Half equations means in Chemistry GCSE, as defined for AQA.
Definitions of Half equations
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Reference: AQA
Balanced equations that demonstrate the transfer of electrons, with electrons on the right side for oxidation and on the left side for reduction.
These show what happens at each electrode, and balancing atoms and charges is essential for them.
Topics that use Half equations
- Fuel cells (AQA GCSE)
- Oxidation and reduction in terms of electrons (HT only) (AQA GCSE)
Related terms
- Anode
- Continuous electricity generation
- Displacement reactions
- Electrochemical oxidation
- Electrodes
- Electron transfer
- Evaluating hydrogen fuel cells
- External reactants
Using Half equations in the exam
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