Catalysts (AQA A-Level Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a catalyst do to a chemical reaction?
What does a catalyst do to a chemical reaction?
Increases rate without being used up
What happens to a catalyst during a reaction?
What happens to a catalyst during a reaction?
It is not used up or changed
How does a catalyst speed up a reaction?
How does a catalyst speed up a reaction?
Provides pathway with lower
What is activation energy?
What is activation energy?
Min. energy for successful collision
What effect does a catalyst have on the proportion of molecules with sufficient energy?
What effect does a catalyst have on the proportion of molecules with sufficient energy?
Increases the proportion
On a Maxwell-Boltzmann distribution, what stays unchanged when a catalyst is added?
On a Maxwell-Boltzmann distribution, what stays unchanged when a catalyst is added?
The shape of the curve
What happens to the area under the curve beyond when a catalyst is added?
What happens to the area under the curve beyond when a catalyst is added?
It becomes greater
What effect does a catalyst have on the rate of successful collisions?
What effect does a catalyst have on the rate of successful collisions?
Increases the rate
Which industrial process uses catalysts for ammonia synthesis?
Which industrial process uses catalysts for ammonia synthesis?
Haber process
What are enzymes?
What are enzymes?
Natural biological catalysts