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51. The major reason an increase in temperature causes an increase in reaction rate is that (A) the activation energy changes with temperature (B) the fraction of high energy molecules increases (C) molecules collide with greater frequency (D) catalysts become more effective 52. Catalysts effectively increase reaction rate by (A) increasing the Keq (B) increasing the concentration of the reactant (C) decreasing the concentration of the products (D) lowering the activation energy requirements

51. The major reason an increase in temperature causes an increase in reaction rate is that (A) the activation energy changes with temperature (B) the fraction of high energy molecules increases (C) molecules collide with greater frequency (D) catalysts become more effective 52. Catalysts effectively increase reaction rate by (A) increasing the Keq (B) increasing the concentration of the reactant (C) decreasing the concentration of the products (D) lowering the activation energy requirements

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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U) L.0 X 10 L IMOI Imin 51. The major reason an increase in temperature causes an increase in reaction rate is that (A) the activation energy changes with temperature (B) the fraction of high energy molecules increases (C) molecules collide with greater frequency (D) catalysts become more effective 52. Catalysts effectively increase reaction rate by (A) increasing the Keq (B) increasing the concentration of the reactant (C) decreasing the concentration of the products (D) lowering the activation energy requirements 53 For all zer e ordon nog ationg
Transcribed Image Text:U) L.0 X 10 L IMOI Imin 51. The major reason an increase in temperature causes an increase in reaction rate is that (A) the activation energy changes with temperature (B) the fraction of high energy molecules increases (C) molecules collide with greater frequency (D) catalysts become more effective 52. Catalysts effectively increase reaction rate by (A) increasing the Keq (B) increasing the concentration of the reactant (C) decreasing the concentration of the products (D) lowering the activation energy requirements 53 For all zer e ordon nog ationg
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