How Much Energy Must Be Removed from a 94

How much energy must be removed from a 94.4 g sample of benzene (molar mass = 78.11 g mol^-1) at 322.0 K to solidify the sample and lower the temperature to 205.0 K? The following physical data may be useful: Δ_vapH = 33.9 kJ mol^-1
Δ_fusH = 9.8 kJ mol^-1
C_liq = 1.73 J g^-1 °C^-1
C_gas = 1.06 J g^-1 °C^-1
C_sol = 1.51 J g^-1 °C^-1
T_melting = 279.0 K
T_boiling = 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:

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