The reaction 2NO(g) + O2(g) 2NO2(g) is second order in NO and first order in O2. When [NO] = 1.4 M and [O2] = 3.9 M, the observed rate of the reaction is 0.00071089 M/s. (a) What is the value of the rate constant? (b) What are the units of the rate constant? M-1s-1 M3s M-2s-1 s-1 M0s-1 M-1s-2 M-3s-1 M1s-1 The rate constant has no unit. M-1 (c) What would happen to the rate if the concentration of NO were increased by a factor of 2? The rate of the reaction would increase The rate of the reaction would decrease By what factor would the rate of reaction increase? (d) What is the rate of reaction when [NO] = 0.1 M and [O2] = 0.53 M? M/s