Chemistry

posted by Kayla23

The equilibrium constant, Kp, for the following reaction is 0.497 at 500 K:

PCl5(g) PCl3(g) + Cl2(g)

Calculate the equilibrium partial pressures of all species when PCl5(g) is introduced into an evacuated flask at a pressure of 1.46 atm at 500 K.

PPCl5 = atm
PPCl3 = atm
PCl2 = atm

  1. DrBob222

    ......PCl5 ==> PCl3 + Cl2
    I.....1.46......0......0
    C.....-p........p......p
    E.....1.46-p....p......p

    Substitute into the Kp expression and solve for p, then evaluate 1.46-p.

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