Using the information in the table to the right, calculate the enthalpy of combustion of each of the following substances:

acetylene: kJ/mol
ethanol: kJ/mol

Acetylene: -1,256 kJ/mol

Ethanol: -1,277 kJ/mol

The combustion of 0.25 mol of an unknown organic compound results in the release of 320 kJ of energy. Which of the compounds in the table could be the unknown compound?- Ethanol

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