At a certain temperature the rate of this reaction is first order in N2O, with a rate constant of 0.0128 s¹: 2N204(g) 2N20, (g) 2N20, (g)+0₂ (g) Suppose a vessel contains N2O5 at a concentration of 1.37M. Calculate how long it takes for the concentration of N2O to decrease by 87.0%. You may assume no other reaction is important. Round your answer to 2 significant digits.

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