Question

What will be the standard heat of reaction for the reaction C2H6(g) + 7/2 O2(g)->2CO2(g+ 3 H2 O(l) if standard heat of combustion of C(s) H2(g) are –393.5 and –285 kJ/mol respectively and standard heat of formation of C2 and H6(g) is –88.2 kJ/mol

Answer 1

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∆H = -205 kJ/mol