5 kmol of ammonia and 5 kmol of oxygen react with 50% conversion at 25C and 1 atm. Calculate the heat of reaction (kJ/kmol) and the heat work (kJ/h). Which one would be expected to obtain higher energy when methane, ethylene and acetylene gases are burned separately with O2? Which one would be expected to obtain higher energy when methane, ethylene and acetylene gases are burned separately with air? Solve each question with Chemcad