Question: Dinitrogen pentoxide, N 2 O 5 , decomposes by first-order kinetics with a rate constant of 3.7 * 10 5 s 1 at 298

Dinitrogen pentoxide, N2O5, decomposes by first-order kinetics with a rate constant of 3.7 * 10–5 s–1 at 298 K. 

(a) What is the half-life (in hours) of N2O5 at 298 K?

(b) If [N2O5]0 = 0.0567 mol · L–1, what will be the concentration of N2O5 after 3.5 h?

(c) How much time (in minutes) will elapse before the N2O5 concentration decreases from 0.0567 mol · L–1 to 0.0135 mol · L–1?

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