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philisile
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The enthalpies of combustion are determined by these equations: C4H4(g) + 5 O2(g) ---> 4 CO2(g) + 2 H2O(g) : ÄH = -2341 kJ/mol 2 H2(g) + O2(g) ---> 2 H2O(g) : ÄH = -286 kJ/mol C4H8(g) + 6 O2(g) ---> 4 CO2(g) + 4 H2O(g) : ÄH = -2755 kJ/mol If we reverse
