The first-order rate constant for the decomposition of N2O5, given below, at 70°C is 6.82 10-3 s-1. Suppose we start wit

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The first-order rate constant for the decomposition of N2O5,given below, at 70°C is 6.82 10-3 s-1. Suppose we start with 0.0450mol of N2O5(g) in a volume of 5.0 L. 2 N2O5(g) → 4 NO2(g) +O2(g)
(a) How many moles of N2O5 will remain after 1.5 min? ________mol
(b) How many minutes will it take for the quantity of N2O5 todrop to 0.005 mol? ________ min
(c) What is the half-life of N2O5 at 70°C? ________ min