Destroyer Gen Chem # 124

[Versati1ity]

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So as part of the solution they give the Keq = [SO2], and then say that only temp would cause an increase of SO2. I thought that increasing CaSO3 or decreasing CaO would also do the trick, but I was wrong. Is this because CaSO3 and CaO are both solids and don't figure into the Keq? When considering Le Chatelier's Principle do we only take into account those reactants and products that figure into the Keq (with exception to heat)?

Basically, can you explain to me why increasing CaSO3 and decreasing CaO wouldn't also increase the SO2 concentration?

 

[klutzy1987]

Because Lechatalier principle is based on equilbrium. Since solids do not take place in the equilibrium expression they have no bearing on the other reactants/products.

 

[Versati1ity]

Because Lechatalier principle is based on equilbrium. Since solids do not take place in the equilibrium expression they have no bearing on the other reactants/products.

Thanks man