# Problem: The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is -5084.3 kJ. If the change in enthalpy is -5074.2 kJ, how much work is done during the combustion?

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###### Problem Details
The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is -5084.3 kJ. If the change in enthalpy is -5074.2 kJ, how much work is done during the combustion?