2.) Determine the freezing point of benzene (78.11 g/mol) at 100 atm if the normal freezing point is 5.5°C, the enthalpy of fusion for benzene is 9.937 kJ/mol. Assume that the enthalpy is independent of the temperature. The densities of solid and liquid benzene are 1.012 g/cm3 and 0.879 g/cm3. A. 282°C B. 8.2°C C. 278.68°C D.) 5.5 °C E. 5.6°C

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Chapter13: Solutions And Their Behavior
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Problem 87IL: A solution of benzoic acid in benzene has a freezing point of 3.1 C and a boiling point of 82.6 C....
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2.) Determine the freezing point of benzene (78.11 g/mol) at 100 atm if the normal freezing point is
5.5°C, the enthalpy of fusion for benzene is 9.937 kJ/mol. Assume that the enthalpy is independent
of the temperature. The densities of solid and liquid benzene are 1.012 g/cm3 and 0.879 g/cm3.
A. 282°C
B. 8.2°C
C. 278.68°C
D.) 5.5 °C
E. 5.6°C
Transcribed Image Text:2.) Determine the freezing point of benzene (78.11 g/mol) at 100 atm if the normal freezing point is 5.5°C, the enthalpy of fusion for benzene is 9.937 kJ/mol. Assume that the enthalpy is independent of the temperature. The densities of solid and liquid benzene are 1.012 g/cm3 and 0.879 g/cm3. A. 282°C B. 8.2°C C. 278.68°C D.) 5.5 °C E. 5.6°C
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