The chlorofluorocarbon CCl$2$F$2($Freon; MW$=120\mathrm{.}91$ g$/$mol$)$ was once used as a refrigerant. Cooling comes from the evaporation of the refrigerant. Calculate the mass of CCl$2$F$2$ that must evaporate in order to freeze $23\mathrm{.}00$ g of water initially at $+10\backslash$deg C$.$ The heat of vaporization, Hvap, of CCl$2$F$2$ is $34\mathrm{.}94$kJ$/$mol$.($Hint: It will be helpful to remember the first law of thermodynamics Energy is conserved.$)$

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Well use the idea of heat transmission and the first law of thermodynamics which states that energy ... View the full answer