119. The following data were collected in two studies of the reactic 2A + B C+D Time (s) [A] (mol/L) x 10- (A] (mol/L) x 10- Experiment 1 Experiment 2 10.0 10.0 20. 6.67 5.00 40. 5.00 3.33 60. 4.00 2.50 80. 333 2.00 100. 286 1.67 120. 2.50 1.43 In Experiment I, (B), – 5.0 M. In Experiment 2, (B], – 10.0 M. Rate-4(A] a Why is (B] much greater than [A]? h Cive the rate law and value for k for this reaction. E Which of the folowing mechanisms could be correct for this reaction? Justify your choice. E (fast equilibrium) CDslow) E fast equilibrium) CD (slow) E (slow) C+D fast)
119. The following data were collected in two studies of the reactic 2A + B C+D Time (s) [A] (mol/L) x 10- (A] (mol/L) x 10- Experiment 1 Experiment 2 10.0 10.0 20. 6.67 5.00 40. 5.00 3.33 60. 4.00 2.50 80. 333 2.00 100. 286 1.67 120. 2.50 1.43 In Experiment I, (B), – 5.0 M. In Experiment 2, (B], – 10.0 M. Rate-4(A] a Why is (B] much greater than [A]? h Cive the rate law and value for k for this reaction. E Which of the folowing mechanisms could be correct for this reaction? Justify your choice. E (fast equilibrium) CDslow) E fast equilibrium) CD (slow) E (slow) C+D fast)
Chemistry
10th Edition
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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c. Which of the following mechanisms could be correct for
this reaction? Justify your choice.
i. A 1 B m E (fast equilibrium)
E 1 B h C 1 D (slow)
ii. A 1 B m E (fast equilibrium)
E 1 A h C 1 D (slow)
iii. A 1 A h E (slow)
E 1 B h C 1 D (fast)
![119. The following data were collected in two studies of the reaction
2A + B →C+D
Time
Experiment 1
[A] (mol/L) x 10-2 (A] (mol/L) x 10?
Experiment 2
(s)
10.0
10.0
20.
6.67
5.00
40.
5.00
3.33
60.
4.00
2.50
80.
333
2.00
100.
2.86
1.67
120.
2.50
1.43
In Experiment 1, [B] - 5.0 M.
In Experiment 2, [B), - 10.0 M.
-A[A]
Rate
At
a. Why is [B] much greater than [A]?
h Give the rate law and value for k for this reaction.
c Which of the following mechanisms could be correct for
this reaction? Justify your choice.
E+B
i. A
E+A
i. A+A
E+B
E (fast equilibrium)
C+D (slow)
E (fast equilibrium)
C+D (slow)
E (skow)
C+D (fast)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb7b650a4-9d99-449d-afa0-04858057bc2f%2F324f8af8-3859-4a81-8deb-b4f17586573c%2F8ed7wd9_processed.png&w=3840&q=75)
Transcribed Image Text:119. The following data were collected in two studies of the reaction
2A + B →C+D
Time
Experiment 1
[A] (mol/L) x 10-2 (A] (mol/L) x 10?
Experiment 2
(s)
10.0
10.0
20.
6.67
5.00
40.
5.00
3.33
60.
4.00
2.50
80.
333
2.00
100.
2.86
1.67
120.
2.50
1.43
In Experiment 1, [B] - 5.0 M.
In Experiment 2, [B), - 10.0 M.
-A[A]
Rate
At
a. Why is [B] much greater than [A]?
h Give the rate law and value for k for this reaction.
c Which of the following mechanisms could be correct for
this reaction? Justify your choice.
E+B
i. A
E+A
i. A+A
E+B
E (fast equilibrium)
C+D (slow)
E (fast equilibrium)
C+D (slow)
E (skow)
C+D (fast)
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