Catalysts and rate
Lesson 9 / 11
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I can describe what a catalyst does and explain how it affects the rate of reaction in terms of activation energy, and justify its use for a reaction based on experimental results.
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A catalyst affects the reaction rate without being used up.
A catalyst reduces the activation energy needed for a reaction.
With a catalyst present, more collisions between reactants result in the formation of product(s).
Enzymes are biological catalysts.
Catalysts vary in efficiency; qualitative data helps evaluate effectiveness.
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