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    Equilibrium Constant and LeChatelier's Principle

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    1, Calculate Ke for the following (equilibrium concentrations given below substances)

    a) PCl5 (g) + heat ↔ PCl3 (g) + Cl2 (g)
    [0.105] [0.219] [0.219]

    b) 2 SO2 (g) + O2 (g) ↔ 2 SO3 (g) + heat
    [0.0500] [0.0500] 0.103]

    c) CO2 (g) + H2 (g) ↔ CO (g) + H2O (g)+ heat
    [0.245] [0.245] 0.575] [0.575]

    2. For each of the equilibria in problem #1 predict (1) how Ke is affected by an increase in temperature, (2) predict how the equilibrium will shift when pressure is decreased, (3) predict how the equilibrium will shift when the concentration of the underlined substance is increased, and (4) predict how the equilibrium will shift when the temperature is decreased.

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    Solution Summary

    This solution explains how to calculate K values based on given concentrations and explains how the following factors will affect the equilibriums:

    1) Increase in temperature
    2) Decrease in pressure
    3) Concentration of one species is increased.
    4) Decrease in temperature