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Chemistry 14 Online
OpenStudy (anonymous):

suggest why the expansion of air into a region of low pressure is an endothermic process.

OpenStudy (wolfe8):

Hello and welcome to OpenStudy. Let's think about it. So the air goes from high pressure to low pressure. How are the gas molecules when in high pressure(confined close to each other) in terms of energy? Hint: what would you feel when in a small room with lots of people where you can barely move? Eager to move?

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