Problem: Assume that the values given here for 1 mole of benzene are constant over the relevant temperature ranges.Melting point5.4 oCBoiling point90.1 oCΔHfus9.9 kJ/molΔHvap30.7 kJ/molCs,solid118 J/mol • KCs,liquid135 J/mol • KCs,gas104 J/mol • KWhat is the qgas value for 1 mole of benzene?

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FREE Expert Solution
  • The heat involved (Qgas) upon heating gaseous benzene from 90°C to 100°C can be calculated as:

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Problem Details

Assume that the values given here for 1 mole of benzene are constant over the relevant temperature ranges.

Melting point5.4 oC
Boiling point90.1 oC
ΔHfus9.9 kJ/mol
ΔHvap30.7 kJ/mol
Cs,solid118 J/mol • K
Cs,liquid135 J/mol • K
Cs,gas104 J/mol • K


What is the qgas value for 1 mole of benzene?