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Homework Help: Chemical equilibrium

  1. Feb 8, 2007 #1
    1. The problem statement, all variables and given/known data
    [tex]N_{2(g)}[/tex], 0.32M and [tex]H_{2(g)}[/tex], 0.66M are placed in a reaction vessel. The system reaches equilibrium when [tex][H_{2(g)}][/tex] = 0.30M. Calculate [tex]K_C[/tex]

    a) 10.7[tex]M^2[/tex]
    b) 4.00[tex]M^2[/tex]
    c) 2.67[tex]M^2[/tex]
    d) 1.67[tex]M^2[/tex]

    2. Relevant equations
    Equilibrium constant formula


    3. The attempt at a solution
    This is just messing me up because the chemical equation isn't given. If I don't know the products, how do I get the equilibrium constant?
     
  2. jcsd
  3. Feb 9, 2007 #2
    i s'pose this is the famous haber's process eqn.
    N2+3H2---->2NH3

    (and this is reversible)
     
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