Multiple Choice
How much energy must be removed from a 94.4 g sample of benzene (molar mass = 78.11 g/mol) at 322.0 K to solidify the sample and lower the temperature to 205.0 K? The following physical data may be useful.
ΔHvap = 33.9 kJ/mol
ΔHfus = 9.8 kJ/mol
Cliq = 1.73 J/g°C
Cgas = 1.06 J/g°C
Csol = 1.51 J/g°C
Tmelting = 279.0 K
Tboiling = 353.0 K
A) 17.6 kJ
B) 11.8 kJ
C) 70.2 kJ
D) 10.5 kJ
E) 29.4 kJ
Correct Answer:

Verified
Correct Answer:
Verified
Q98: At atmospheric pressure,dry ice<br>A) freezes.<br>B) deposits.<br>C) sublimes.<br>D)
Q99: Identify the state of matter that is
Q100: Define vaporization.<br>A) A liquid becomes a gas.<br>B)
Q101: Place the following substances in order of
Q102: Place the following compounds in order of
Q104: Which substance below has the strongest intermolecular
Q105: What is the strongest type of intermolecular
Q106: A molecule contains hydrogen bonding if it
Q107: Choose the substance with the highest boiling
Q108: Consider the phase diagram shown.Choose the statement