Problem: For a particular isomer of C8H18, the following reaction produces 5099.5 kJ of heat per mole of C8H18(g) consumed, under standard conditions.C8H18(g) + 25/2 O2(g) → 8 CO2(g) + 9 H2O(g)      ΔH(rxn) = -5099.5 kJ/Mol What is the standard enthalpy of formation of this isomer of C 8H18(g)?

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For a particular isomer of C8H18, the following reaction produces 5099.5 kJ of heat per mole of C8H18(g) consumed, under standard conditions.

C8H18(g) + 25/2 O2(g) → 8 CO2(g) + 9 H2O(g)      ΔH(rxn) = -5099.5 kJ/Mol 

What is the standard enthalpy of formation of this isomer of C 8H18(g)?

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