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GCSE Combined Science · key term
A collision between reacting particles that results in a chemical reaction.
Used by AQA
Specification 5.6.1.3 · Paper 4
Revise: Collision Theory and Activation EnergyA collision that produces a reaction is a successful collision. Collisions with insufficient energy do not produce a reaction. The rate therefore depends on the number of successful collisions per second.
Explain a rate change using collisions per second or the frequency of successful collisions, not just the total number of collisions.
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