H+D2 → HD+D is the exchange of isotopes of hydrogen of atomic mass 1 (H) and 2 (D, deuterium). The following data were obtained for the rate constant k of this reaction: Temperature (K) k (L mol¬1 s-1) 299 1.56 x 104 327 3.77 x 104 346 7.6 x 104 440 106 549 1.07 x 106 745 8.7 x 107 (a) Calculate the activation energy of this reaction. (b) Calculate the factor A in the Arrhenius equation for the temperature dependence of the rate constant.

Chemistry for Engineering Students
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Chapter11: Chemical Kinetics
Section: Chapter Questions
Problem 11.35PAE: 11.35 For the reaction 2 NO(g) + 2 H?(g) — N,(g) + 2 H,O(g) at 1100°C, the following data have been...
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36. The gas-phase reaction
H+D2 → HD+D
is the exchange of isotopes of hydrogen of atomic mass 1 (H) and 2 (D, deuterium). The following
data were obtained for the rate constant k of this reaction:
Temperature (K)
k (L mol¬ s-1)
299
1.56 x 104
327
3.77 x 104
346
7.6 x 101
440
106
549
1.07 x 106
745
8.7 × 107
(a) Calculate the activation energy of this reaction.
(b) Calculate the factor A in the Arrhenius equation for the temperature dependence of the rate
constant.
Transcribed Image Text:36. The gas-phase reaction H+D2 → HD+D is the exchange of isotopes of hydrogen of atomic mass 1 (H) and 2 (D, deuterium). The following data were obtained for the rate constant k of this reaction: Temperature (K) k (L mol¬ s-1) 299 1.56 x 104 327 3.77 x 104 346 7.6 x 101 440 106 549 1.07 x 106 745 8.7 × 107 (a) Calculate the activation energy of this reaction. (b) Calculate the factor A in the Arrhenius equation for the temperature dependence of the rate constant.
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