The rxn 2NO + O2 --> 2NO2 is believed to occur by the mechanism
2NO--> N2O2 k1
N2O2-->2NO k-1
N2O2+2-->2NO2 k2
a) Assume N2O2 to be in a steady state and derive the rate equation in terms of [NO] and [O2] as well as k.
b) Under what conditions does the rate equation reduce to second-order kinetics in NO and first kinetics in O2?