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Which phrase describes the effect of adding a catalyst to a chemical reaction in order to increase t

NY Regents Chemistry Exam June 2022


22 Which phrase describes the effect of adding a catalyst to a chemical reaction in order to increase the reaction rate?

(1) provides a different reaction pathway with a lower activation energy

(2) provides a different reaction pathway with a higher activation energy

(3) uses the same reaction pathway with a higher activation energy

(4) uses the same reaction pathway with a lower activation energy


Explanation: A catalyst is a substance that increase the rate of the reaction by lowering the activation energy.

Answer: 1


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