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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
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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- -1 For a certain reaction, the frequency factor A is 7.5 × 10⁹ s1 and the activation energy is 21.4 What is the rate constant for the reaction at 95. °C? Round your answer to 2 significant digits. Note: Reference the Fundamental constants table for additional information. k = -1 S X kJ mol Sarrow_forwardThe following data were obtained at constant temperature for the reaction: 4A(g) + 4B (g) → 3C(g) Initial [A] Initial [B] mol Experiment mol mol Initial Rate L-min L L 1 0.105 0.215 4.50 2 0.315 0.215 13.5 3 0.105 0.430 18.0 4 0.315 0.430 54.0 Part 1 of 2 Select the single best expression for the rate law for the reaction. Ok [A]³ [B]³ G Ok [A] [B] Ok [A] [B] Ok [A][B]²arrow_forward
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