The Standard Molar Enthalpy of Vaporization for Freon-11 (Trichloromonofluoromethane, CCl₃F)

question 57

Short Answer

The standard molar enthalpy of vaporization for Freon-11 (trichloromonofluoromethane, CCl₃F) is
25.8 kJ mol^-1.At what temperature must the surroundings be maintained if one mole of liquid Freon-11 is to vaporize and produce an entropy change in the surroundings of -86.8 J/K?

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