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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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Energy Reaction 1: Reaction 2: X undergoes the two competing reactions represented above. The following graph shows the changes in energy that occur as the two reactions take place. Y Reaction 1 Reaction 2 Doeotion Coordinate
Transcribed Image Text:Energy Reaction 1: Reaction 2: X undergoes the two competing reactions represented above. The following graph shows the changes in energy that occur as the two reactions take place. Y Reaction 1 Reaction 2 Doeotion Coordinate
Y Reaction 1 Reaction 2 Reaction Coordinate In an experiment done at a low temperature, one hour after the reaction started, Y was produced but almost no Z was produced. At a much higher temperature, one hour after the reaction started, both Y and Z had been produced. Which of the following best explains why very little Z was produced at the lower temperature? A smaller number of X molecules had enough energy to overcome the activation energy barrier for reaction 2, and very little Z was produced. The higher average kinetic energy of the X molecules at the lower temperature resulted in very little Z produced. The greater collision frequency between X molecules at the lower temperature resulted in very little Z produced. was produced. D The intermolecular forces between X molecules were much weaker, and very little US O
Transcribed Image Text:Y Reaction 1 Reaction 2 Reaction Coordinate In an experiment done at a low temperature, one hour after the reaction started, Y was produced but almost no Z was produced. At a much higher temperature, one hour after the reaction started, both Y and Z had been produced. Which of the following best explains why very little Z was produced at the lower temperature? A smaller number of X molecules had enough energy to overcome the activation energy barrier for reaction 2, and very little Z was produced. The higher average kinetic energy of the X molecules at the lower temperature resulted in very little Z produced. The greater collision frequency between X molecules at the lower temperature resulted in very little Z produced. was produced. D The intermolecular forces between X molecules were much weaker, and very little US O
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