For a particular isomer of C,H 8, the combustion reaction produces 5104.1 kJ of heat per mole of C,H3(g) consumed, under standard conditions. 25 C3H18(g) + 8 CO,(g) + 9 H,O(g) AHixn = -5104.1 kJ/mol What is the standard enthalpy of formation of this isomer of C,H18(g)? AH; kJ/mol

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