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How does the entropy behind osmosis work?

  1. Jan 12, 2013 #1
    Using a simple example: air, why does it naturally form a uniform mixture? Brownian motion wouldn't differentiate between different gases that make up the air.
  2. jcsd
  3. Jan 12, 2013 #2
    I'm sorry what does the text have to do with the title?

    Please restate as a single question.
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