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16.79 The rate law for 2NO(g)+O2(g)2NO2(g) is rate =k[NO]2[O2]. In addition to the mechanism in the text (9) Section 16.6), the following ones have been proposed: I2NO(g)+O2(g)2NO2(g) II 2NO(g)N2O2(g)N2O2(g)+O2(g)2NO2(g) [fast] [slow] III 2NO(g)N2(g)+O2(g) N2(g)+2O2(g)2NO2(g) [fast] [slow] (a) Which of these mechanisms is consistent with the rate law? (b) Which of these mechanisms is most reasonable? Why