The following data are for the gas phase decomposition of dimethyl ether at 500 °C.CH3OCH3(g) CH4(g) + H2(g) + CO(g)[ CH3OCH3 ], M0.1407.00×10-23.50×10-21.75×10-2 time, min022.745.468.1Hint: 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 (zero, frist, second)____________ order reaction is _________________ min -1.

From the given data it is clear that the reaction is first order reaction.

Answered: The following data are for the gas…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter11: Chemical Kinetics: Rates Of Reactions

Section: Chapter Questions

Problem 44QRT

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The following data are for the gas phase decomposition of dimethyl ether at 500 °C.

CH₃OCH₃(g) CH₄(g) + H₂(g) + CO(g)

[ CH₃OCH₃ ], M	0.140	7.00×10^-2	3.50×10^-2	1.75×10^-2
time, min	0	22.7	45.4	68.1

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 (zero, frist, second)____________ order reaction is _________________ min ^-1.

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