For the gas phase decomposition of dimethyl ether at 500 °C CH3OCH3CH4 + H2 + CO the following data have been obtained: [CH3OCH3], M 4.47×10-2 2.94×10-2 1.93×10-2 1.27×10-2   time, min 0 17.5 34.9 52.4 The average rate of disappearance of CH3OCH3 over the time period from t = 34.9 min to t = 52.4 min is ____________________  M min-1.

Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section: Chapter Questions
Problem 90IL: The acid-catalyzed iodination of acetone CH3COCH3(aq) + I2(aq) CH3COCH2I(aq) + HI(aq) is a common...
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For the gas phase decomposition of dimethyl ether at 500 °C

CH3OCH3CH4 + H2 + CO

the following data have been obtained:

[CH3OCH3], M 4.47×10-2 2.94×10-2 1.93×10-2 1.27×10-2
  time, min 0 17.5 34.9 52.4



The average rate of disappearance of CH3OCH3 over the time period from t = 34.9 min to t = 52.4 min is ____________________  M min-1.

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