The following data are for the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 °C.CH3NC(g) CH3CN(g) [ CH3NC ], M2.83×10-21.42×10-27.10×10-33.55×10-3 time, s0191382573Hint: It is not necessary to graph these data. (1) The half life observed for this reaction is _______s .(2) Based on these data, the rate constant for this _______(zerofirstsecond) order reaction is _______s -1. fill in the blanks

[CH3NC ] 2.83×10-2 1.42×10-2 7.10×10-3 3.55×10-3 Mtime,…

Answered: CH3NC(g) CH3CN(g) [ CH3NC ], M…

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

Problem 7P

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The following data are for the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 °C.

CH₃NC(g) CH₃CN(g)

[ CH₃NC ], M	2.83×10^-2	1.42×10^-2	7.10×10^-3	3.55×10^-3
time, s	0	191	382	573

Hint: It is not necessary to graph these data.

(1)
The half life observed for this reaction is _______s .

(2)
Based on these data, the rate constant for this _______(zerofirstsecond) order reaction is _______s ^-1.

fill in the blanks

Expert Solution

Step 1

$[C H 3 N C] 2.83 \times 10^{- 2} 1.42 \times 10^{- 2} 7.10 \times 10^{- 3} 3.55 \times 10 - 3 M t i m e, 0 191 382 573 S F o r m u l a, u n i t o f r a t e c o n s \tan t = {[c o n c e n t r a t i o n]}^{1 - n} [t i m e]^{- 1} w h e r e n = o r d e r o f t h e r e a c t i o n w h e n n = 1 o r 1 s t o r d e r r e a c t i o n, r a t e c o n s \tan t u n i t i s s e c o n d^{- 1} I n q u e s t i o n g i v e n t h a t, r a t e c o n s \tan t u n i t i s s e c o n d^{- 1}, w h i c h c o n f i r m t h a t, r e a c t i o n i s 1 s t o r d e r .$

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