For the thermal decomposition of nitrous oxide, 2N2O(g)2N2(g)+O2(g). values of the parameters in the Arrhenius equation are A=4.2109s1 and Ea=222kJ/mol. that the total pressure of the gas in the tube is 1.50 atm Express your answer using two significant figures. For the thermal decomposition of nitrous oxide, 2N2O(g)2N2(g)+O2(g). values of the parameters in the Arrhenius equation are A=4.2109s1 and Ea=222kJ/mol. that the total pressure of the gas in the tube is 1.50 atm Express your answer using two significant figures