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Question on Kp

  1. Mar 25, 2012 #1
    1. The problem statement, all variables and given/known data
    Which has the max. value of KP-
    a)MgCO3(s) --> MgO(s)+CO2(g)
    b)CaCO3(s) --> CaO(s)+CO2(g)
    c)SrCO3(s) --> SrO(s)+CO2(g)
    d)BaCO3(s) --> BaO(s)+CO2(g)

    2. Relevant equations



    3. The attempt at a solution

    I don't understand how we could determine which has the max. Kp because in all the equations Kp=PCO2. What other factors should i look into?

    Thanks!
     
  2. jcsd
  3. Mar 25, 2012 #2

    Borek

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    Staff: Mentor

    Perhaps it asks about the ease of the thermal decomposition?
     
  4. Mar 25, 2012 #3
    Then i guess the answer is a). Right? :smile:
     
  5. Mar 25, 2012 #4

    Borek

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    Staff: Mentor

    If I will answer yes or no I will do your homework.
     
  6. Mar 25, 2012 #5
    It isn't a homework question anyway, it is a question from a test i gave a few days ago.
    But i am sure about the answer.
     
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