(1) The observed half life for this reaction when the starting concentration is 1.01 M is s and when the starting concentration is 0.505 M is (2) The average A(1/[HI]) / At from t= 0 s to t= 1.05×103 s is The average A(1/[HI) / At from t= 1.05×10³ s to t= 3.15x10° s is (3) Based on these data, the rate constant for this | order reaction is

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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 I2(g)
the following data were obtained:
HI], M
seconds
1.01
0.505
0.253
0.127
1.05x103
3.15x103
7.32x103
Hint: It is not necessary to graph these data.
(1)
The observed half life for this reaction when the starting concentration is 1.01 M is
s and when the starting concentration is 0.505 M is
S.
(2)
The average A(1/[HI]) / At from t= 0 s to t= 1.05x103 s is
The average A(1/[HI]) / At from t= 1.05×103 s to t= 3.15×103 s is
Ms!.
(3)
Based on these data, the rate constant for this
order reaction is
Transcribed Image Text:In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) →½ H2(g) + ½ I2(g) the following data were obtained: HI], M seconds 1.01 0.505 0.253 0.127 1.05x103 3.15x103 7.32x103 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 1.01 M is s and when the starting concentration is 0.505 M is S. (2) The average A(1/[HI]) / At from t= 0 s to t= 1.05x103 s is The average A(1/[HI]) / At from t= 1.05×103 s to t= 3.15×103 s is Ms!. (3) Based on these data, the rate constant for this order reaction is
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