Answered

How does a catalyst affect the reaction rate?

A. Decreases activation energy by optimal molecular orientation.
B. Increases activation energy by increasing total bond energy.
C. Decreases activation energy by increasing optimal surface area.
D. Increases activation energy by increasing optimal surface area.
E. Increases activation energy by optimal molecular orientation.



Answer :

GinnyAnswer

Final answer:

Catalysts lower activation energy, increasing reaction rates.


Explanation:

Catalysts work by lowering the activation energy of a reaction, thus increasing the reaction rate. They provide an alternate pathway with lower activation energy, allowing more particles to have effective collisions and react quickly.


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