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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 of this substance must evaporate to freeze 195 g of water initially at 17°C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/g-K.)

i got 270g but its wrong. caus esomeone please show me the work

  • chemistry - , Wednesday, January 9, 2013 at 6:02pm

    If you will show your work I will find the error.

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