The following data are for the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C. H202(aq) → H20(I) + ½ 02(g) [H202 ], M 5.90x10-2 2.95x10-2 1.48x10-2 7.40x10-3 time, min 7.35 14.7 22.1 Hint: It is not necessary to graph these data. (1) The half life observed for this reaction is min . (2) Based on these data, the rate constant for this v order reaction is min -1.

Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter18: Chemical Kinetics
Section: Chapter Questions
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The following data are for the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C.
H202(aq) → H20(I) + ½ 02(g)
[H202 ], M
5.90x10-2
2.95x10-2
1.48×10-2
7.40x10-3
time, min
7.35
14.7
22.1
Hint: It is not necessary to graph these data.
(1)
The half life observed for this reaction is
min .
(2)
Based on these data, the rate constant for this
v order reaction is
min -1.
Transcribed Image Text:The following data are for the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C. H202(aq) → H20(I) + ½ 02(g) [H202 ], M 5.90x10-2 2.95x10-2 1.48×10-2 7.40x10-3 time, min 7.35 14.7 22.1 Hint: It is not necessary to graph these data. (1) The half life observed for this reaction is min . (2) Based on these data, the rate constant for this v order reaction is min -1.
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