A catalyst increases the rate of a chemical reaction by

January 2018 NY Regents Chemistry Exam

19 A catalyst increases the rate of a chemical reaction by

(1) providing an alternate reaction pathway

(2) providing the required heat of reaction

(3) increasing the potential energy of the products

(4) increasing the activation energy of the reaction

Solution: A catalyst speeds up a reaction by providing a difference reaction pathway which lowers the activation energy of the reaction,.

Answer: 1

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