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Homework Help: Degrees of freedom in a reacting system

  1. May 12, 2014 #1


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    I am confused in part b why they classify solid CaCO3 and solid CaO as two different phases. They are both solids, which is one phase
  2. jcsd
  3. May 14, 2014 #2
    Unless they form a solid solution, they represent separate two solid phases. This is analogous to oil and water forming two liquid phases.

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