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
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter7: Reaction Rates And Chemical Equilibrium
Section: Chapter Questions
Problem 7.59P
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Please help me answer these 2
Transcribed Image Text:U) L.0 X 10
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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
53 For all zer e ordon nog ationg
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