dH = delta H
dHo rxn = (n*dHo products) - (n*dHo reactants)
Using standard heat of formations. (Appendix II in text). Calculate the standard enthalpy change for the combustion of methane.
CH4 (g) + 2 O2 ---�¨ 2CO2(g) + 2H2O (l) ƒ¢H0 = ?
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