The activation energy for the decomposition of hydrogen peroxide is 46.00 kJ/mol. When the reaction is catalyzed by the enzyme B-catalase, the activation energy is 12.00 kJ/mol. 2H2O2(aq) 2H2O(1) + O2(g) At what temperature would the rate of the non-catalyzed reaction be as rapid as the enzyme-catalyzed decomposition at 350 K? Assume the frequency factor, A, to be the same in both cases. O 1.62 x 104 K O 1.94 x 103 K O 1.34 x 103 K O 1.14 x 103 K O 91.0 K
The activation energy for the decomposition of hydrogen peroxide is 46.00 kJ/mol. When the reaction is catalyzed by the enzyme B-catalase, the activation energy is 12.00 kJ/mol. 2H2O2(aq) 2H2O(1) + O2(g) At what temperature would the rate of the non-catalyzed reaction be as rapid as the enzyme-catalyzed decomposition at 350 K? Assume the frequency factor, A, to be the same in both cases. O 1.62 x 104 K O 1.94 x 103 K O 1.34 x 103 K O 1.14 x 103 K O 91.0 K
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:The activation energy for the decomposition of hydrogen peroxide is 46.00
kJ/mol. When the reaction is catalyzed by the enzyme B-catalase, the
activation energy is 12.0 kJ/mol.
2H202(aq) 2H20(1) + O2(g)
At what temperature would the rate of the non-catalyzed reaction be as
rapid as the enzyme-catalyzed decomposition at 350 K? Assume the
frequency factor, A, to be the same in both cases.
O 1.62 x 104 K
O 1.94 x 103 K
O 1.34 x 103 K
O 1.14 x 103 K
O 91.0 K

Transcribed Image Text:Compound A has a larger enthalpy (heat) of condensation than compound
B. Which of the following statements is true?
i. Heat will be released during the condensation of both substances.
ii. Compound A will have a lower normal boiling point than compound B.
iii. Compound A will have a lower vapour pressure at 25°C than compound
В.
Only statement (ii) is true.
O Only statements (i) and (iii) are true.
Only statement (iii) is true.
O All three statements are true.
O Only statements (i) and (ii) are true.
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