Expansion Cooling Duster Can

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The duster can I use always gets really cold whenever I use it for long enough. Can someone explain in the simplest way possible the reason why it gets cold?

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12 Answers

Anonymous 0 Comments

When gas under pressure loses pressure, it’s temperature drops, the volume expands, or both.

Since the can has a fixed volume, the only thing that can happen is the temperature going down.

This is also how air conditioners work, more or less.

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