Answered: The gas-phase decomposition of (CH3)2O,…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter11: Rate Of Reaction

Section: Chapter Questions

Problem 36QAP: The decomposition of sulfuryl chloride, SO2Cl2, to sulfur dioxide and chlorine gases is a...

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Question

The gas-phase decomposition of (CH₃)₂O, (CH₃)₂O CH₄(g) + H₂(g) + CO(g), is studied at a certain temperature, giving the following data:

Time (s)	[(CH₃)₂O] (M)


0.0e+00	0.100
2.0e+03	0.0358
4.0e+03	0.0128
6.0e+03	0.00458
8.0e+03	0.00164

Figure out whether this reaction is first-order or second-order with respect to the concentration of (CH₃)₂O. Calculate the value of the rate constant. Pick the choice from below which gives the correct reaction order and value of the rate constant for this reaction.

a) This reaction is first-order with the rate constant k = 2.06e-03 s^-1.

b) This reaction is second-order with the rate constant k = 2.57e-03 M^-1 s^-1.

c) This reaction is first-order with the rate constant k = 3.08e-03 s^-1.

d) This reaction is first-order with the rate constant k = 5.14e-04 s^-1.

e) This reaction is second-order with the rate constant k = 1.54e-03 M^-1 s^-1

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