Key term for OCR GCSE Chemistry A, used in Improving processes and products.
The minimum energy that colliding particles must possess for a chemical reaction to occur.
Activation energy (Eₐ) appears in OCR GCSE Chemistry A revision content for Global challenges, especially Improving processes and products and Reaction Condition Graphs.
Global challenges
Improving processes and products • Reaction Condition Graphs
Monitoring and controlling chemical reactions
Equilibria • Proportionality in Rates
Chemical reactions
Energetics • Energy Calculations
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