In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) H₂(g) + ½/ 1₂(g) the following data were obtained: (HI), M seconds 1.41 0 0.705 807 0.353 0.177 2.42x103 5.62x103 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 1.41 Mis concentration is 0.705 Mis (2) The average A(1/[HI])/ At from t=0 s tot 807 s is The average A(1/[HI])/ At from t-807 s to t= 2.42×10³ s is (3) Based on these data, the rate constant for this M-1 S-¹, M-151 order reaction is s and when the starting

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Chapter1: Chemical Foundations
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In a study of the gas phase decomposition of hydrogen iodide at 700 K
HI(g) ½ H₂(g) + ½/ 1₂(g)
the following data were obtained:
[HI], M
seconds
1.41
0
0.705
807
0.353
0.177
2.42x103 5.62x103
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is 1.41 M is
concentration is 0.705 Mis
(2)
The average A(1/[HI])/ At from t=0s to t=807 s is
The average A(1/[HI])/ At from t = 807 s to t=2.42x10³ s is
(3)
Based on these data, the rate constant for this
M-15-1.
M-15-1
order reaction is
M-15¹.
s and when the starting
Transcribed Image Text:In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) ½ H₂(g) + ½/ 1₂(g) the following data were obtained: [HI], M seconds 1.41 0 0.705 807 0.353 0.177 2.42x103 5.62x103 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 1.41 M is concentration is 0.705 Mis (2) The average A(1/[HI])/ At from t=0s to t=807 s is The average A(1/[HI])/ At from t = 807 s to t=2.42x10³ s is (3) Based on these data, the rate constant for this M-15-1. M-15-1 order reaction is M-15¹. s and when the starting
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