OCR GCSE Chemistry B · J258
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
- Revise: Dynamic equilibrium
- Revise: Rate vs equilibrium trade-off
The speed at which a reactant is used up or a product is formed.
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GCSE Chemistry · key term
The amount of a reactant used or product formed per unit time.
Used by OCR
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The speed at which a reactant is used up or a product is formed.
State that the forward and reverse reaction rates are equal at dynamic equilibrium. Do not say that both rates are zero.
When explaining a chosen temperature, state its separate effects on reaction rate and equilibrium position. Do not say that a faster reaction necessarily gives a higher equilibrium yield.
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