A 1 00 L sample of a mixture of methane gas and oxygen

Last updated: 6/28/2023

A 1 00 L sample of a mixture of methane gas and oxygen measured at 25 C and 740 torr pressure was allowed to react at constant pressure in a calorimeter which together with its contents had a heat capacity of 1260 cal K The complete combustion of the methane to carbon dioxide and liquid water caused a temperature rise in the calorimeter of 0 667 K What was the mol percent of CH4 in the original mixture AH comb for CH g 210 8 kcal mol