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QUESTION
The heat of vaporization of CCl2F2 is 289 J/g. What mass of this substance must evaporate in order to freeze 165 g of water initially at 23C?
The heat of vaporization of CCl2F2 is 289 J/g. What mass of this substance must evaporate in order to freeze 165 g of water initially at 23°C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/g·K.
