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irina irina
wrote...
Posts: 919
11 years ago
How does a catalyst increase the rate of a chemical reaction?

(Select all that apply.)



It lowers the activation energy.

 It raises the activation energy so that the colliding molecules have more energy.

 It causes more collisions between molecules or atoms.

 It increases the energy of the molecules or atoms in a reaction.
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3 Replies
Replies
wrote...
11 years ago
It lowers an activation energy.

It does this by providing an alternative reaction pathway. This alternative pathway requires less energy.
wrote...
11 years ago
It lowers the activation energy..
Answer accepted by topic starter
smokin7aceholesmokin7acehole
wrote...
Posts: 104
Rep: 0 0
11 years ago
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