Feb '09
8
MCAT Question of the Day | MCAT Course


  • Q:

    In which of the following reactions will the equilibrium shift to the left when the pressure on the system is decreased?

    I. 2H2 + O2 ↔ 2H2O
    II. 2CO + O2 ↔ 2CO2
    III. 2MgO(s) ↔ 2Mg(s) + O2(g)


     

    A

    I only

    B

    II only

    C

    I and II only

    D

    I and III only




    Tags: Stoichiometry | Chemical Equilibrium | Suggest a tag
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