For the decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30C 2 N2054 NO2 + O2 the average rate of disappearance of NGOs over the time period from t=0 min tot = 103 min is found to be 6.70*10*M min! The average rate of formation of O, over the same time period is M min For the gas phase decomposition of hydrogen peroxide at 400 C 2 H2022 H20+02 the average rate of disappearance of H2O2 over the time period from t=0 sto t= 17 s is found to be 2.82x10-3Ms! The average rate of formation of O, over the same time period is Ms