1. The problem statement, all variables and given/known data How much methane, CH4 is must be burned to produce 6.38x10^6j of energy 2. Relevant equations CH4 + 3O2 --> CO2 + 2H2O 3. The attempt at a solution This is actually the second part of a pretty long multi part question. I couldnt find out how to figure out the amount of energy produced by this reaction. In the first part of the question I found how how much energy was required to raise 5.8x10^5 grams of air (specific heat of 1.1 j/(gxC) by 10C. Which is where I get the energy from. Could anyone please guide me as to where to start? I have been looking in my book but have not found anything.