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March 25, 2017

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hey guys need some help here!!!
if 0.250mol of CO and 0.250mol of H2O were combined in a 125mL flask and the reaction allowed to reach equilibrium . Kc= 1.56. write the equ expression and calculate each substance

Co(g) +H2O(g) .... Co2(g) +H2(g)

  • math - ,

    how to work out (x)(x)
    -------- = 1.56
    ( 2-x)(2-x)

  • chemistry - ,

    ............CO + H2O ==> CO2 + H2
    I...........2....2........0.....0
    C...........-x...-x.......x.....x
    E...........2-x..2-x......x.....x

    Kc = (CO2)(H2)/(CO)(H2O)
    1.58 = (x)(x)/(2-x)(2-x)
    The right side is a perfect square so take the square root of each side.
    1.256 = (x)/(2-x)
    Solve for x

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