Define how much heat is liberated at constant pressure

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Reference no: EM13538446

How much heat is liberated at constant pressure when 2.65g of ethane,C2H6 are combusted in excess oxygen?
2C2H6(g) + 7O2(g)=4CO2(g)+ 6H2O(I)

substance delta fH°(kJ/mol)
C2H6(g) -83.8
CO2(g) -393.5
H2O(I) -285.8

Reference no: EM13538446

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