The Fluorocarbon Has a Normal Boiling Point

question 72

Multiple Choice

The fluorocarbon has a normal boiling point of 47.6 °C. The specific heats of and (g) are 0.91 J g^-1 °C^-1 and 0.67 J g^-1 °C^-1, respectively. The heat of vaporization of the compound is 27.49 kJ mol^-1. The heat required to convert 50.0 g of the compound from the liquid at to the gas at 70.0 °C is ________ kJ.

• A) 10.07
• B) 2742
• C) 30.22
• D) 9.86
• E) 4.60

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