State air conditioners as the heat transfer fluid

Reference no: EM13174715

The chlorofluorocarbon CCl2F2 was once used in air conditioners as the heat transfer fluid. Its normal boiling point isâ€¨-30 °C, and its enthalpy of vaporization is 165 J g-1. The gas and the liquid have specific heat capacities of 0.61 J g-1â€¨ °C-1 and 0.97 J g-1 °C-1, respectively. How much heat is evolved when 10.0 g CCl2F2 is cooled from 40 °C to -40 °C?

Reference no: EM13174715

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