CFC-11 (Trichlorofluoromethane,CCl₃F)has Been Used for Many Years as the Working

question 74

Multiple Choice

CFC-11 (trichlorofluoromethane,CCl₃F) has been used for many years as the working fluid in refrigerators.Given its heat of vaporization is 26.88 kJ/mol and its entropy of vaporization is 90.51 J/(mol ∙ K) ,what is the boiling point of CFC-11?

• A)-272.9°C
• B)0.297°C
• C)2.44°C
• D)23.8°C

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