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Le Chatelier

  1. May 17, 2009 #1
    1. The problem statement, all variables and given/known data
    Suppose the reaction system UO2(s) +4HF(g) <-> UF4(g) +2H2O(l)
    is sealed in a container and allowed to equilibrate at a particular temperature.

    Explain what happens to the nature of each substance if you:
    a. remove some UO2 from the system
    b. remove all UO2 from the system


    2. Relevant equations



    3. The attempt at a solution
    I know that UO2 is solid and that it does not affect the equilibrium but in my answers it says that a) will have no effect while b) will increase [HF] and decrease [UF4].....why is that? I thought that all solids will have no effect no matter how much you take out..Thanks.
     
  2. jcsd
  3. May 18, 2009 #2

    Borek

    User Avatar

    Staff: Mentor

    Soilds have no effect as long as they exist. If the soid doesn't exist, system will shift the equilibrium till the solid appears.
     
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