3 ms·
Coal: C + O2 -> CO2 Gas: CH4 + 2O2 -> CO2 + 2H2O I don't know off hand exactly how many joules of energy (heat) are produced per mole in each case but it's no
by bloak 4y ago
Coal: C + O2 -> CO2
Gas: CH4 + 2O2 -> CO2 + 2H2O
I don't know off hand exactly how many joules of energy (heat) are produced per mole in each case but it's not surprising that gas gives more joules per mole of CO2: it's a bit like you're burning hydrogen at the same time.
EDIT: It's relevant that O-H bonds are stronger than C-H bonds, presumably.
- adolph 4y agoThanks, that makes some sense. I wonder how that additional bond works in the hydrolox to methalox comparison of rocket fuels.
- 988747 4y agoYou also need to consider that H2O itself is also a greenhouse gas, much worse than CO2, although much easier to remove from atmosphere.
- nix23 4y ago>H2O Water...
- pfdietz 4y agoCoal is more like CH on average.