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a. At higher temperatures, the fraction of molecules with enough energy to overcome the activation energy barrier is Olarger O smaller O the same b. Rates increase with increasing concentration of reactants because collisions between reactant molecules occur with O higher Olower the same c. The mechanism of a reaction without a catalyst is O the same as O different from d. The activation energy of a reaction is O higher Olower O the same the mechanism of that same reaction with a catalyst. at a higher temperature than at a lower temperature. frequency.

a. At higher temperatures, the fraction of molecules with enough energy to overcome the activation energy barrier is Olarger O smaller O the same b. Rates increase with increasing concentration of reactants because collisions between reactant molecules occur with O higher Olower the same c. The mechanism of a reaction without a catalyst is O the same as O different from d. The activation energy of a reaction is O higher Olower O the same the mechanism of that same reaction with a catalyst. at a higher temperature than at a lower temperature. frequency.

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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**Chemical Reaction Quiz** a. At higher temperatures, the fraction of molecules with enough energy to overcome the activation energy barrier is _______. - ○ larger - ○ smaller - ○ the same b. Rates increase with increasing concentration of reactants because collisions between reactant molecules occur with _______ frequency. - ○ higher - ○ lower - ○ the same c. The mechanism of a reaction without a catalyst is _______ the mechanism of that same reaction with a catalyst. - ○ the same as - ○ different from d. The activation energy of a reaction is _______ at a higher temperature than at a lower temperature. - ○ higher - ○ lower - ○ the same
Transcribed Image Text:**Chemical Reaction Quiz** a. At higher temperatures, the fraction of molecules with enough energy to overcome the activation energy barrier is _______. - ○ larger - ○ smaller - ○ the same b. Rates increase with increasing concentration of reactants because collisions between reactant molecules occur with _______ frequency. - ○ higher - ○ lower - ○ the same c. The mechanism of a reaction without a catalyst is _______ the mechanism of that same reaction with a catalyst. - ○ the same as - ○ different from d. The activation energy of a reaction is _______ at a higher temperature than at a lower temperature. - ○ higher - ○ lower - ○ the same
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Step 1

a.) We would check the affect of increasing temperature on energy. 

b.) We will check the affect of increasing concentration on rate of collision. 

c ) catalyst is used to increase the speed of reaction. 

d.) Check the effect of temperature on activation energy. 

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