6. The nitrogen dioxide decomposes to oxygen and nitric monoxide as shown in the equation: 2 NO2 (g) O2(g) + 2 NO (g) For this process at 573 K the following data was collected: Experiment (NO2). (M) d[NO2]/dt (M/s) 1 0.015 2.44 x 10-4 2 0.010 1.08 x 10-4 3 0.008 6.90 x 10-5 4 0.005 2.70 x 10-5 a) Determine the order of the reaction. (8 pts) b) Calculate the rate constant. (4 pts) c) Calculate the rate of reaction in the Experiment 2 after 20 seconds. (4 pts)