Question 18Which of the following best describes a catalyst?O It increases the number of collisions between reacting molecules.O It makes the reaction more endothermic.O It provides an alternate pathway with a lower activation energy.O It makes the reaction more exothermic.

Catalyst is the substance which accelerate the rate of reaction by decreasing activation energy.

h of the following best describes a catalyst? t increases the number of collisions between reacting molec t makes the reaction more endothermic. t provides an alternate pathway with a lower activation energ t makes the reaction more exothermic.

h of the following best describes a catalyst? t increases the number of collisions between reacting molec t makes the reaction more endothermic. t provides an alternate pathway with a lower activation energ t makes the reaction more exothermic.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter12: Chemical Kinetics

Section: Chapter Questions

Problem 63AE: For the following reaction profile, indicate a. the positions of reactants and products. b. the...

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