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12. The reaction 2 H2S(g) + 3 02(g) 2 2 SO2(g) + 2 H2O(g) does not occur at room temperature. But it is very fast at higher temperatures. Why does raising the temperature increase the speed of a reaction? A. Raising the temperature dramatically increases the fraction of molecular collisions that have a kinetic energy greater than the activation energy. B. At higher temperatures the concentrations of the molecules are higher and they collide with each other more frequently. C. Raising the temperature lowers the activation energy. D. At higher temperatures the molecules move faster and collide with each other more frequently.

12. The reaction 2 H2S(g) + 3 02(g) 2 2 SO2(g) + 2 H2O(g) does not occur at room temperature. But it is very fast at higher temperatures. Why does raising the temperature increase the speed of a reaction? A. Raising the temperature dramatically increases the fraction of molecular collisions that have a kinetic energy greater than the activation energy. B. At higher temperatures the concentrations of the molecules are higher and they collide with each other more frequently. C. Raising the temperature lowers the activation energy. D. At higher temperatures the molecules move faster and collide with each other more frequently.

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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Just question 12 please

11. For the second step of the Claus process AH° = +94.6 kJ/mol and AS° = +0.1202 kJ/mol·K. For what range of temperatures is the reaction favorable, i.e., Kç >> 1? A. The reaction is favorable at all temperatures. B. T<< 787 K C. The reaction is unfavorable at all temperatures. D. T>> 787 K 12. The reaction 2 H2S(g) + 3O2(g) 2 2 SO2(g) + 2 H2O(g) does not occur at room temperature. But it is very fast at higher temperatures. Why does raising the temperature increase the speed of a reaction? A. Raising the temperature dramatically increases the fraction of molecular collisions that have a kinetic energy greater than the activation energy. At higher temperatures the concentrations of the molecules are higher and they collide with each other more frequently. В. C. Raising the temperature lowers the activation energy. D. At higher temperatures the molecules move faster and collide with each other more frequently.
Transcribed Image Text:11. For the second step of the Claus process AH° = +94.6 kJ/mol and AS° = +0.1202 kJ/mol·K. For what range of temperatures is the reaction favorable, i.e., Kç >> 1? A. The reaction is favorable at all temperatures. B. T<< 787 K C. The reaction is unfavorable at all temperatures. D. T>> 787 K 12. The reaction 2 H2S(g) + 3O2(g) 2 2 SO2(g) + 2 H2O(g) does not occur at room temperature. But it is very fast at higher temperatures. Why does raising the temperature increase the speed of a reaction? A. Raising the temperature dramatically increases the fraction of molecular collisions that have a kinetic energy greater than the activation energy. At higher temperatures the concentrations of the molecules are higher and they collide with each other more frequently. В. C. Raising the temperature lowers the activation energy. D. At higher temperatures the molecules move faster and collide with each other more frequently.
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