The following data are for the gas phase decomposition of dinitrogen pentoxide at 335 K. N205(g) → 2 NO2(g) + ½ 02(g) [ N205 ], M 0.235 5.90x10-2 232 0.118 2.95x10-2 time, s 116 348 Hint: It is not necessary to graph these data. (1) The half life observed for this reaction is s. (2) Based on these data, the rate constant for this v order reaction is

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