CH3OCH3(g)CH,(g) + H2(g) + C0(g) is first order in CH3OCH3. During one experiment it was found that when the initial concentration of CH,OCH, was 0.146 M, the concentration of CH3OCH3 dropped to 4.09x10-2 M after 2066 s had passed. Based on this experiment, the rate constant for the reaction is

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