Multiple Choice
Calculate the amount of heat energy, in units of kilojoules, required to evaporate 35.0 g of ethanol, CH3CH2OH, at 78.4 C, ethanol's boiling point.(The molar heat of vaporization of liquid ethanol is 3.86 x 104 J/mol.The molar mass of ethanol is 46.07 g/mol.)
A) 29.3 kJ
B) 1.35 x 103 kJ
C) 1.10 x 103 kJ
D) 8.38 x 102 kJ
E) 9.21 x 10-4 kJ
Correct Answer:

Verified
Correct Answer:
Verified
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