How much energy is released in burning one mole of propane, C3H8+5O2=3CO2+4H20?

Question

when you calculate the release of energy do you add the 3+8 in the C3H8 and then multiply it by the average energy release? Or do you just multiply the average energy release by the 8?

Answer 1

I knew  a mole full of gases, could have powered New York for a day if you harnessed her gases  for a  year