In a study of the gas phase decomposition of nitrogen dioxide at 383C NO2(g)NO(g)+1/2O2(g) the following data were obtained: Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.445M is and when the starting concentration is 0.223M is s. (2) The average (1/[NO2])/t from t=0s to t=5.17s is M1s1. The average (1/[NO2])/t from t=5.17s to t=15.4s is M1s1. (3) Based on these data, the rate constant for this order reaction is M1s1