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How much heat is produced by the complete combustion of 287 g of CH4?

CH4(g)+2O2(g)→CO2(g)+2H2O(g)ΔH∘rxn=−802.3kJ

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CH4 + 2O2 ==> CO2 + 2H2O
dHrxn = (n*dHo products) - (n*dHo reactants).
Look up the dHo formation in your text, notes, net, and calculate.

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