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    Hi,

    Do IDEAL gases absorb heat when they expand?

    Cheers.

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    (Original post by s.p.q.r)
    Hi,

    Do IDEAL gases absorb heat when they expand?

    Cheers.

    For ANY gas to expand it must do work against the external pressure. This requires energy/heat.

    The work done is PdeltaV.
 
 
 
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