In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C HI(g) % H2(g) + ½ I½(g) the following data were obtained: |[HI], M 0.509 0.255 0.128 6.40x102 seconds 520 780 911 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.509 M is and when the starting concentration is 0.255 M is (2) The average rate of disappearance of HI from t 0 s to t= 520 s is Ms. (3) The average rate of disappearance of HI from t = 520 s to t= 780 s is Ms (4) v order reaction is Ms Based on these data, the rate constant for this
In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C HI(g) % H2(g) + ½ I½(g) the following data were obtained: |[HI], M 0.509 0.255 0.128 6.40x102 seconds 520 780 911 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.509 M is and when the starting concentration is 0.255 M is (2) The average rate of disappearance of HI from t 0 s to t= 520 s is Ms. (3) The average rate of disappearance of HI from t = 520 s to t= 780 s is Ms (4) v order reaction is Ms Based on these data, the rate constant for this
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
Chapter12: Chemical Kinetics
Section: Chapter Questions
Problem 50E: The decomposition of hydrogen iodide on finely divided gold at 150C is zero order with respect to...
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![In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C
HI(g) ½ H2(g) + ½ I½(g)
the following data were obtained:
[HI], M
0.509
0.255
0.128
6.40×10-2
seconds
520
780
911
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is 0.509 M is
s and when the starting
concentration is 0.255 M is
(2)
The average rate of disappearance of HI from t= 0 s to t= 520 s is
Ms
(3)
The average rate of disappearance of HI from t= 520 s to t= 780 s is
Ms!
(4)
order reaction is
Ms1
Based on these data, the rate constant for this](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F87d22b44-de61-4120-82a6-22d77d3e7bac%2Fa6cb068e-b5c7-4149-81c3-d894c4770e3d%2Fxn5iwji_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a study of the decomposition of hydrogen iodide on a gold surface at 150 °C
HI(g) ½ H2(g) + ½ I½(g)
the following data were obtained:
[HI], M
0.509
0.255
0.128
6.40×10-2
seconds
520
780
911
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is 0.509 M is
s and when the starting
concentration is 0.255 M is
(2)
The average rate of disappearance of HI from t= 0 s to t= 520 s is
Ms
(3)
The average rate of disappearance of HI from t= 520 s to t= 780 s is
Ms!
(4)
order reaction is
Ms1
Based on these data, the rate constant for this
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