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 0.101 5.05×10-2 2.53×10-2 1.27×10-2   time, min 0 20.0 40.0 60.0 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  order reaction is  min -1.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
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Chapter11: Chemical Kinetics: Rates Of Reactions
Section: Chapter Questions
Problem 45QRT
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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 0.101 5.05×10-2 2.53×10-2 1.27×10-2
  time, min 0 20.0 40.0 60.0



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  order reaction is  min -1.

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