Why do highly pressurized cans/gas cylinders ( like eg. lighter gas, propane cylinders etc) go cold when the pressure is released?
In: Other
Because they’re stored in a liquefied state under pressure in the can. When they get released, they’re rapidly turning back into a gas and they pull the energy to do so from the environment.
Just like how you need to apply heat (i.e. energy) to water to make it boil, the liquid to gas transition needs heat, and the surrounding environment is the source for it
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