In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) →→→ H₂(g) + 2 I₂(g) the following data were obtained: [HI], M seconds 1.57 0 0.785 731 S. Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 1.57 M is s and when the starting concentration is 0.785 M is 0.393 0.197 2.19x103 5.10x10³ (2) The average A(1/[HI]) / At from t = 0 s to t = 731 s is 15-1. The average A(1/[HI]) / At from t = 731 s to t = 2.19x10³ s is M-¹ S-¹. (3) Based on these data, the rate constant for this M-1 S-1. M™ order reaction is Previous Next
In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) →→→ H₂(g) + 2 I₂(g) the following data were obtained: [HI], M seconds 1.57 0 0.785 731 S. Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 1.57 M is s and when the starting concentration is 0.785 M is 0.393 0.197 2.19x103 5.10x10³ (2) The average A(1/[HI]) / At from t = 0 s to t = 731 s is 15-1. The average A(1/[HI]) / At from t = 731 s to t = 2.19x10³ s is M-¹ S-¹. (3) Based on these data, the rate constant for this M-1 S-1. M™ order reaction is Previous Next
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section14.7: Reaction Mechanisms
Problem 14.14CYU: One possible mechanism for the decomposition of nitryl chloride, NO2CI, is What is the overall...
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![In a study of the gas phase decomposition of hydrogen iodide at
700 K
HI(g) →→→ H₂(g) + 2 I₂(g)
the following data were obtained:
[HI], M
seconds
1.57
0
0.785
731
S.
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is
1.57 M is
s and when the starting concentration is 0.785 M
is
0.393
0.197
2.19x103 5.10x10³
(2)
The average A(1/[HI]) / At from t = 0 s to t = 731 s is
15-1.
The average A(1/[HI]) / At from t = 731 s to t = 2.19x10³ s is
M-1 S-1.
(3)
Based on these data, the rate constant for this
M-1 S-1.
M™
order reaction is
Previous
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Transcribed Image Text:In a study of the gas phase decomposition of hydrogen iodide at
700 K
HI(g) →→→ H₂(g) + 2 I₂(g)
the following data were obtained:
[HI], M
seconds
1.57
0
0.785
731
S.
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is
1.57 M is
s and when the starting concentration is 0.785 M
is
0.393
0.197
2.19x103 5.10x10³
(2)
The average A(1/[HI]) / At from t = 0 s to t = 731 s is
15-1.
The average A(1/[HI]) / At from t = 731 s to t = 2.19x10³ s is
M-1 S-1.
(3)
Based on these data, the rate constant for this
M-1 S-1.
M™
order reaction is
Previous
Next
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