To my understanding when a gas is rapidly expanding it cools and when it is rapidly compressed it heats up. So how come when you fill up a canister with helium/nitrogen/propane, etc. the canister is cold even though you’re compressing the gas into it?
In: Physics
My understanding of this is the opposite. Compressors are used in air conditioners because they squeeze the air which essentially squeezes out heat. Also when you heat up a gas it moves around more so it expands. But I defer to someone who properly understands this topic and can give a good example.
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