Problem: The first-order rate constant for the decomposition of N2O5,2N2O5(g) → 4NO2(g) + O2(g)at 70oC is 6.82 x 10 - 3 s - 1. Suppose we start with 2.60×10−2 mol of N2O5(g) in a volume of 2.1 L .How many minutes will it take for the quantity of N2O5 to drop to 1.8×10−2 mol ?

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Problem Details

The first-order rate constant for the decomposition of N2O5,

2N2O5(g) → 4NO2(g) + O2(g)

at 70oC is 6.82 x 10 - 3 s - 1. Suppose we start with 2.60×10−2 mol of N2O5(g) in a volume of 2.1 L .

How many minutes will it take for the quantity of N2O5 to drop to 1.8×10−2 mol ?

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