Question

CH4 + 2O2 ---> CO2 + 2H2O
Delta H H2O= -285.8 kJ/mole
Delta H CO2= -393.3 kJ/mole


What is the standard heat of formation of methane, Delta H CH4, as calculated from the data above
deltaHrxn = (n*DHf products) - (n*DHf reactants)

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