Ethanol Undergoes Combustion in Oxygen to Produce Carbon Dioxide Gas $\Delta$

question 73

Multiple Choice

Ethanol undergoes combustion in oxygen to produce carbon dioxide gas and liquid water.The standard heat of combustion of ethanol, C₂H₅OH(l) , is -1366.8 kJ/mol. Given that $\Delta$ H°_f[CO₂(g) ] = -393.5 kJ/mol and $\Delta$ H°_f[H₂O(l) ] = -285.8 kJ/mol, what is the standard enthalpy of formation of ethanol?

• A)3,010 kJ/mol
• B)-687.6 kJ/mol
• C)-277.6 kJ/mol
• D)687.6 kJ/mol
• E)1,367 kJ/mol

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