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    susus's Avatar
    susus Posts: 138, Reputation: 2
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    #1

    Jun 19, 2011, 10:25 PM
    Mixing ideal gazes and enthorpy
    Mixing ideal gazes and entropy

    I have a question , we we mix 4 ideal gazes, does the entropy change? I though not, because they are -ideal- . But then I started to doubt myself
    jcaron2's Avatar
    jcaron2 Posts: 986, Reputation: 204
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    #2

    Jun 20, 2011, 08:13 AM
    The gases were separated (i.e. sorted) before you started, but they were mixed together afterwards. It seems to me that ideal or not, you've increased the randomness of the system. Therefore entropy has increased.
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