3. Determine the order of the ethylene oxide decomposition reaction:
O
^
CH2 - CH2(G) → CH4(G) CO(G) . Calculate the rate constant (V=const) if at 687.7 K the total pressure of the reaction mixture changes with time as follows:
t, min. 0 4 7 9 12 18
Р•10-5, Pa 0.155 0.163 0.168 0.172 0.178 0.188

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