27. Rapid increase in the rate of chemical reaction even for small temperature increase is due to a. rapid increase in kinetic energy of molecules b. rapid increase with temperature of the fraction of molecules with energies in excess of activation energy c. rapid increase in collision frequency d. increase in activation energy 28. The half-life of a material undergoing second order decay is a. proportional to the square of initial concentration b. independent of initial concentration c. proportional to initial concentration d. inversely proportional to initial concentration
27. Rapid increase in the rate of chemical reaction even for small temperature increase is due to a. rapid increase in kinetic energy of molecules b. rapid increase with temperature of the fraction of molecules with energies in excess of activation energy c. rapid increase in collision frequency d. increase in activation energy 28. The half-life of a material undergoing second order decay is a. proportional to the square of initial concentration b. independent of initial concentration c. proportional to initial concentration d. inversely proportional to initial concentration
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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Transcribed Image Text:27. Rapid increase in the rate of chemical reaction even for small temperature increase is
due to
a. rapid increase in kinetic energy of molecules
b. rapid increase with temperature of the fraction of molecules with energies in
excess of activation energy
c. rapid increase in collision frequency
d. increase in activation energy
28. The half-life of a material undergoing second order decay is.
a. proportional to the square of initial concentration
b. independent of initial concentration
c. proportional to initial concentration
d. inversely proportional to initial concentration
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