# Problem: The decomposition of dinitrogen pentoxide, N2O5, to NO2 and O2 is a first-order reaction. At 60°C, the rate constant is 2.8 × 10-3 min-1. If a rigid vessel initially contains only N 2O5 at a pressure of 125 kPa, how long will it take for the total pressure to reach 176 kPa? a. 113 min b. 129 min c. 42 min d. 182 min e. 62 min f. 83 min

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The decomposition of dinitrogen pentoxide, N2O5, to NO2 and O2 is a first-order reaction. At 60°C, the rate constant is 2.8 × 10-3 min-1. If a rigid vessel initially contains only N 2O5 at a pressure of 125 kPa, how long will it take for the total pressure to reach 176 kPa?

a. 113 min

b. 129 min

c. 42 min

d. 182 min

e. 62 min

f. 83 min

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