The elementary reaction 2NO2 (g) → 2NO (g) + O2 (g)
Is second order in NO2 and the rate constant at 501 K is 7.93 × 10-3M-1s-1. The reaction half-life at this temperature when [NO2]0= 0.45 M is __________ s.
A) 3.6 × 10-3
B) 0.011
C) 126
D) 87
E) 280
Correct Answer:
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