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    Effect on Equilibrium Constant

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    Question 5
    Consider the equilibrium reaction:
    NO2(g) + CO(g) ----> NO(g) + CO2(g) DHrxn = -226.4 kJ

    Which one of the following factors would cause the equilibrium constant value to increase? Please explain.

    a. ) Addition of a catalyst.
    b. ) Removal of O2 gas.
    c. ) Addition of SO2 gas.
    d. ) Decrease the temperature.
    e. ) All of the above

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    Solution Preview

    The answer is (d). The only thing that changes the equilibrium constant is temperature. I will also explain why the others don't work.

    (a) addition of catalyst - a catalyst only speeds up a reaction and it only acts to bring ...

    Solution Summary

    The effects on equilibrium constants are determined.