Dinitrogen pentoxide, N2O5 , decomposes as follows: 2 N2O5 + 4 NO2 + 02 Given the set of concentrations at various times, t, determine the average rate of reaction over each defined time interval. t (s) [N2O5 (M)] 125 350 600 3.05 2.20 1.80 1.50 a) 0-125 s Rate M/s b) 125-350 s Rate M/s c) 350-600 s Rate M/s

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