answer: 802.3 kilo joules of energy represents 191.75 kilo calorie of energy.
explanation:
energy released during combustion of one mole methane = 802.3 kilo joules
if 1 kilo joule = 0.239006 kilo calorie
then ,802.3 kilo joule will be = 802.30.239006 kilo calorie
802.3 kilo joule = 191.75 kilo calorie
hence, the energy in kilo calorie is 191.75 kilo calorie.