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 H°f[CO2(g) ] = -393.5 kJ/mol and 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
Correct Answer:

Verified
Correct Answer:
Verified
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