Exactly! Freon gas is first compressed by a compressor, whereby it changes its state to a liquid, that liquid is passed through the coils. The heat inside the refrigerator evaporates that liquid (to gas freon yet again). It is this evaporation that causes cooling inside a refrigerator. Now this is a physical change from gas to liquid and vice versa. And change of states involves exchange of energy (energy, either absorbed or released). I searched on the net and came to know that this energy released or absorbed is called Latent heat. But since it's the process of evaporation that causes cooling inside a refrigerator we are apt to call it "latent heat of vaporization".
So I, for one, would say the chemical energy used in a refrigerator is called "Latent heat of vaporization". Let's see what others say.
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