a. Carbon monoxide and nitrogen dioxide react to form carbon dioxide and nitric oxide. A series of experiments were performed to gain understanding of the kinetics of the reaction.

CO] (M)	[NO2] (M)	initial rate (M/s)
5.1 x 10^-4	0.35 x 10^-4	3.4 x 10^-8
5.1 x 10^-4	0.70 x 10^-4	6.8 x 10^-8
5.1 x 10^-4	0.18 x 10^-4	1.7 x 10^-8
1.0x 10^-3	0.35 x 10^-4	6.8 x 10^-8
1.5 x 10-3	0.35 x 10-4	10.2 x 10-8

1. The sum of the coefficients in the balanced reaction equation is:
Type in the number. Do not spell the word for the number, i.e. "1" not "one"

2. In the reaction described in question a, the reaction order with respect to nitrogen dioxide is:

Simply type in a number. Do not type 0th order, 1st order 2nd order, one-half order, etc.

3. In the reaction described in question a, the average rate constant, including the correct units for k, is:

4. In the reaction described in question a, the rate law for the reaction is: