Rate of Reaction (AQA GCSE Chemistry Combined Science): Flashcards
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Practise the cards
10 cards from this deck
What does collision theory explain?
What does collision theory explain?
How conditions affect reaction rates
Two conditions for a successful reaction
Two conditions for a successful reaction
Particles must collide AND have enough energy
Minimum energy needed for a reaction
Minimum energy needed for a reaction
Activation energy
Two ways to increase reaction rate
Two ways to increase reaction rate
Increase collision frequency or particle energy
How to increase collision frequency
How to increase collision frequency
Increase concentration, pressure, or temperature
Main factor affecting particle energy
Main factor affecting particle energy
Temperature
Effect of doubling concentration on particle number
Effect of doubling concentration on particle number
Number of particles doubles
Effect of doubling concentration on collision rate
Effect of doubling concentration on collision rate
Collision frequency doubles
Effect of doubling concentration on reaction rate
Effect of doubling concentration on reaction rate
Reaction rate doubles
Do all collisions cause reactions?
Do all collisions cause reactions?
No, only a small number do