The reaction CH3NC(g) → CH3CN(g) is first-order with respect to methyl isocyanide, CH3NC. If it takes 10.3 minutes for exactly one quarter of the initial amount of methyl isocyanide to react, what is the rate constant in units of min? -0.135 min В. A. 0.0279 min 0.089 min 0.135 min 35.8 min С. D. Е.

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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30. The reaction CH;NC(g) → CH3CN(g) is first-order with respect to methyl isocyanide, CH3NC. If it takes
10.3 minutes for exactly one quarter of the initial amount of methyl isocyanide to react, what is the rate
constant in units of min?
-0.135 min
В.
A.
0.0279 min
0.089 min
0.135 min
35.8 min
С.
D.
Е.
31. A reactant R is being consumed in a first-order reaction. What fraction of the initial R is consumed in 4.0
half-lives?
А.
0.94
В.
0.87
С.
0.75
0.13
0.063
D.
Е.
Transcribed Image Text:30. The reaction CH;NC(g) → CH3CN(g) is first-order with respect to methyl isocyanide, CH3NC. If it takes 10.3 minutes for exactly one quarter of the initial amount of methyl isocyanide to react, what is the rate constant in units of min? -0.135 min В. A. 0.0279 min 0.089 min 0.135 min 35.8 min С. D. Е. 31. A reactant R is being consumed in a first-order reaction. What fraction of the initial R is consumed in 4.0 half-lives? А. 0.94 В. 0.87 С. 0.75 0.13 0.063 D. Е.
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