Short Answer
If the standard enthalpy of combustion of octane,
C8H18(l),at 298 K is -5471 kJ.mol-1 calculate the standard enthalpy of formation of octane.The standard enthalpies of formation of carbon dioxide and liquid water are -393.51 and -285.83 kJ.mol-1 ,respectively.
Correct Answer:

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-249 kJ.mo...View Answer
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