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Using LeChatelier's principle, predict the direction of the net reaction in each of the following system as a result of decreasing the volume of the chamber for the reaction mixture. Where does the direction shifts?
a.) N2(g)+ O2(g)= 2NO(g)
b.) PCl5(g)=PCl3(g)+Cl2(g)
c.) CO(g)+Cl(2)=COCl2(g)

  • chem -

    right
    left
    right

  • oops--chem -

    I disagree with answer for a by Sabrina. I agree with b and c.
    The answer for a is neither. Decreasing volume means increasing pressure so the reaction will shift to the side with the fewer moles of gas. There are two mols of gas on the left and two mols gas on the right; therefore, no shift.

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