Explain substance must evaporate to freeze

Reference no: EM13220050

Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is 289 J/g.

What mass (in grams) of this substance must evaporate to freeze 200g of water initially at 15 degrees C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/g-K.)

Reference no: EM13220050

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