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Write the equilibrium constant expression for the following reactions

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Answer. Hydrogen with iodine forms hydrogen iodide, the balanced chemical equation is

         CO(g) + 3H2(g) <======> 2HI(g)

For this reaction; the rate of forward reaction is:

                      Rf =Kf [H2][I2]

The rate of reverse reaction is:

                        Rf =Kf [HI]2

The equilibrium constant expression for this reaction is


                        Kc =


iv. CO(g)+ 3H2(g) <====> CH4(g) + H2O(g)


Carbon monoxide with hydrogen forms methane and water

For this reaction; the rate of forward reaction is:

       Rf = kf [CO] [H2]3

The rate of reverse reaction;

      Rr = kr [CH4][H20]

The expression for the equilibrium constant for this reaction is

                                     [CH4l lH2O]

                                Kc = [CO] [H2]3
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