Worksheet: Kinetics and Rate Order 1. The rate of the reaction NO2 + CONO + CO2 depends only on the concentration of nitrogen dioxide below 225 °C. At a temperature below 225 °C, the following data were collected. Time (s) [NO₂] (M) 0 0.500 1200 0.444 3000 0.381 4500 0.340 9000 0.250 18000 0.174 a. Determine the order of the reaction by using the integrated rate law. b. What is the rate constant for this reaction? C. Determine the half-life for this reaction. d. Calculate [NO2] at 27000 seconds after the start of the reaction.