22. The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 × 10³ min". How long will it take for the concentration of H2O2 to drop from 0.0200 M to 0.0120 M? <1 min 7.55 min 481 min А. В. С. D. 4550 min E. 31,400 min 23. Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 102 hr'. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours? А. 0.0457 M В. 0.105 M С. 0.127 M D. 0.492 M Е. none of these choices is correct 24. The rate law for the reaction 3A→ 2B is rate = k[A] with a rate constant of 0.0447 hr'. What is the half- life of the reaction? A. 0.0224 hr В. С. 0.0645 hr 15.5 hr D. 22.4 hr E. 44.7 hr
22. The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 × 10³ min". How long will it take for the concentration of H2O2 to drop from 0.0200 M to 0.0120 M? <1 min 7.55 min 481 min А. В. С. D. 4550 min E. 31,400 min 23. Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 102 hr'. If the initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours? А. 0.0457 M В. 0.105 M С. 0.127 M D. 0.492 M Е. none of these choices is correct 24. The rate law for the reaction 3A→ 2B is rate = k[A] with a rate constant of 0.0447 hr'. What is the half- life of the reaction? A. 0.0224 hr В. С. 0.0645 hr 15.5 hr D. 22.4 hr E. 44.7 hr
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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![22. The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 × 10³ min"'.
How long will it take for the concentration of H2O2 to drop from 0.0200 M to 0.0120 M?
<1 min
7.55 min
А.
В.
С.
481 min
D.
4550 min
E.
31,400 min
23. Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 102 hr'. If the
initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours?
А.
0.0457 M
В.
0.105 M
С.
D.
E.
0.127 M
0.492 M
none of these choices is correct
24. The rate law for the reaction 3A → 2B is rate = k[A] with a rate constant of 0.0447 hr"'. What is the half-
life of the reaction?
А.
0.0224 hr
В.
С.
0.0645 hr
15.5 hr
D.
22.4 hr
E.
44.7 hr
25. The rate law for the rearrangement of CH3NC to CH3;CN at 800 K is rate =(1300 s')[CH3NC]. What is the
half-life for this reaction?
7.69 × 104 s
5.3 × 104 s
1.9 x 103 s
520 s
А.
В.
С.
D.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb231fffd-0090-498a-bbfa-fc9b5d8ef027%2F0f1c5061-a8bc-4d1c-a21a-b8e6fd00b236%2Fj1z8lgj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:22. The decomposition of hydrogen peroxide is a first-order process with a rate constant of 1.06 × 10³ min"'.
How long will it take for the concentration of H2O2 to drop from 0.0200 M to 0.0120 M?
<1 min
7.55 min
А.
В.
С.
481 min
D.
4550 min
E.
31,400 min
23. Cyclopropane is converted to propene in a first-order process. The rate constant is 5.4 x 102 hr'. If the
initial concentration of cyclopropane is 0.150 M, what will its concentration be after 22.0 hours?
А.
0.0457 M
В.
0.105 M
С.
D.
E.
0.127 M
0.492 M
none of these choices is correct
24. The rate law for the reaction 3A → 2B is rate = k[A] with a rate constant of 0.0447 hr"'. What is the half-
life of the reaction?
А.
0.0224 hr
В.
С.
0.0645 hr
15.5 hr
D.
22.4 hr
E.
44.7 hr
25. The rate law for the rearrangement of CH3NC to CH3;CN at 800 K is rate =(1300 s')[CH3NC]. What is the
half-life for this reaction?
7.69 × 104 s
5.3 × 104 s
1.9 x 103 s
520 s
А.
В.
С.
D.
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