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Chemistry

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Calculate the equilibrium concentration of each compound if 0.340 moles of HI are placed in a 5.90 liter container at 520°C. Kc = 0.170 for the reaction at this temperature.

soo i tried doing this by setting up an ICE table

and finding what x equaled buuuut it didn't work..

please help! thanks

  • Chemistry -

    The ICE table should work. Post your work and I'll find your error.

  • Chemistry -

    sorry it was for this problem

    Calculate the equilibrium concentration of each compound if 2.10 moles of CO2 and 3.70 moles of H2 are placed in a 2.90 liter container at 300°C. Kc = 1.90 for the reaction at this temperature.

    okay so i did


    CO2(g) + H2(g) = CO(g) + H2O(g)
    .724-x..1.276-x......+x......+x


    x^2/(.724-x)(1.276-x) =1.9

    and i have

    Quad form:

    A=.9
    B=-3.8
    C=1.75522
    Answer: 3.694=x

  • Chemistry -

    I get the same answer and the coefficients are the same as yours for one root but 3.69 cant be correct because you had only 0.724 initially. For the other root I calculated 0.528 but I didn't check my figures. That should be the answer to the problem. Check me out on that.

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