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It certainly does. The O2 comes from the air and is heavier than carbon. The carbon comes from the fuel, which is its main content by weight. 1 kg of carbon fr
by oppositelock 6y ago
It certainly does. The O2 comes from the air and is heavier than carbon. The carbon comes from the fuel, which is its main content by weight.
1 kg of carbon from fuel + 1.75 kg of O2 from aith = 2.75 kg of CO2.
- hinkley 6y agoMeanwhile the hydrogen in a hydrocarbon is somewhere in the range of 1/7th of the weight, so the fact that it all goes up the exhaust pipe in the form of water doesn't really subtract all that much weight from the input. There's more energy in the hydrogen bonds, not the carbon-carbon bonds, right? Just adds insult to injury, if you ask me.