Time Dependencies 20
N2O4 undergoes a first-order reaction,
N2O4 (g) --> 2 NO2 (g).
The rate constant for this reaction is 3.0 X 102 s-1. How long does it take for the concentration of N2O4 to change from 1.000 M to 0.125 M?
i) 1.10 X 10-2 s
ii) 3.65 X 10-1 s
iii) 7.38 X 10-8 s
iv) 6.93 X 10-3 s
v) 2.54 X 10-5 s