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April 17, 2014

Homework Help: Chemistry

Posted by 19 on Monday, November 21, 2011 at 11:44am.

Chlorofluocarbon was once used in air conditiones as the heat transfer liquid its normal boiling point is -30 degrees C and its enthalpy of vaporization is 16J/g. The gas and the liquid have specific heat capacities of 0.61 J/g8C and 0.97 J/g*C, respectively. How much thermal energy is evolved when 10.0 g CCL2F2 is cooled from 40 degrees celsius to -40 degrees celsius

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