# gen chem

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what would Qc be if the pressure of the container decreased by a factor of 2.417 for the following reaction?

4Hcl(g)+O2(g)<-->2Cl2(g)+2H2O(g)
Kc=13.298 @ 753K

• gen chem -

Does the problem want an answer? You know an increase in pressure will make the reaction shift to the right (smaller number of moles on the right); therefore, a decrease will shift it to the left. Thus the products will decrease, the reactants will increase, and Qc will be smaller.

• gen chem -

yes, it wants an actual value

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