chemistry

If 0.50 mol of iodine and 0.50 mols of chlorine are initially placed into a 2.00-L reaction vessel at 25 Degrees Celsius, find the concentrations of all entities at equilibrium.

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asked by John L
  1. I2 + Cl2 ==> 2ICl (Is that the equation?)

    initially:
    (I2) = 0.5/2.0 = ??
    (Cl2) = 0.5/2.0 = ??
    (ICl)= 0

    change:
    (ICl) = +2x
    (I2) = -x
    (Cl2) = -x

    equilibrium:
    (ICl) = 0 + 2x = 2x
    (I2) = (0.5/2.0) - x = 0.25 - x
    (Cl2) = (0.5/2.0) - x = 0.25 - x

    Set up Keq, substitute, and solve for x. Post your work if you get stuck. Check my work.

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    posted by DrBob222
  2. Keq = [0.25 - x] / [0.25 - x][2x]

    = [0.25 - ] / [0.25 - ][2()]

    =

    What numbers need to be substituted?

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    posted by Claus

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