Multiple Choice
If the standard enthalpy of combustion of ethanol, C2H5OH(l) ,At 298 K is -1368 kJ.mol-1 ,What is the standard enthalpy of formation of ethanol? The standard enthalpies of formation of carbon dioxide and liquid water are -393.51 and -285.83 kJ.mol-1 ,Respectively.
A) +688.7 kJ.mol-1
B) -344.3 kJ.mol-1
C) +276.5 kJ.mol-1
D) -276.5 kJ.mol-1
E) -688.7 kJ.mol-1
Correct Answer:
Verified
Correct Answer:
Verified
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