Ehylene oxide, C2H4O, decomposes when heated to give methane and carbon monoxide.   C2H4O(g)  →  CH4(g) + CO(g) The following kinetic data were observed for the reaction at 688K:  Expriment Initial Concentration of Ethylene Oxide Initial Rate Exp. 1 2.72x10-3M 5.57x10-7 M/s Exp 2 5.44x10-3M 1.11x10-6 M/s What is the value of the rate constant for the reaction? Express your answer to three significant figures. Just enter the number  (e.g. 2.48x10^-4) and the unit.   Note: Your answer is assumed to be reduced to the highest power possible.

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