The fluorocarbon C
2Cl
3F
3 has a normal boiling point of 47.6 °C. The specific heats of
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and C
2Cl
3F
3(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
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to the gas at 80.0 °C is ________ kJ.
◦ 8.19
◦ 1454
◦ 30.51
◦ 3031
◦ 10.36