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8 December, 19:33

The reaction pcl3 (g) + cl2 (g) ←-→pcl5 (g) has kp=0.0870 at 300 ∘c. a flask is charged with 0.50atmpcl3, 0.50atmcl2, and 0.20atmpcl5 at this temperature. part a use the reaction quotient to determine the direction the reaction must proceed in order to reach equilibrium.

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  1. 8 December, 19:59
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    The question only asks regarding the direction of the equilibrium reaction. The general expression of Kp is:

    Kp = [PCl₅]/[PCl₃][Cl₂]

    The higher the value of K (greater than 1), the more spontaneous the reaction (favors the product side). Otherwise, it favors the reactant side. Since Kp = 0.087 which is less than 1, the direction favors the forward reaction towards the product side.
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