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Given the following data, calculate the heat of reaction (combustion) for one gram of butane, C4H10. Report your result in kJ/g.
Standard heats of formation (kJ/mole) :
H2O(g) : -241.82
CO2(g) : -393.5
Butane: -147.6
Formula weight of butane: 58.12 g/mole
L/mole of a gas at STP: 22.4L
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