The Fluorocarbon C₂Cl₃F₃ has a Normal Boiling Point of 47

question 63

Multiple Choice

The fluorocarbon C₂Cl₃F₃ has a normal boiling point of 47.6°C. The specific heats of C₂Cl₃F₃ (l) and C₂Cl₃F₃(g) are 0.91 J/g- K and 0.67 J/g- K, respectively. The heat of vaporization of the compound is 27.49 kJ/mol. The heat required to convert 50.0 g of the compound from the liquid at 5.0°C to the gas at 80.0°C is kJ.

• A) 1454
• B) 10.36
• C) 30.51
• D) 3031
• E) 8.19

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