For the system at , 2 , SO _2(g)+ O _2(g) ; ;2 , SO _3(g) an equilibrium mixture is…

CHEMISTRY · Subjective · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

For the system at 700 K700\,\text{K}, 2 SO2(g)+O2(g)  ⇌  2 SO3(g)2\,\text{SO}_2(g)+\text{O}_2(g)\;\rightleftharpoons\;2\,\text{SO}_3(g) an equilibrium mixture is sealed at constant volume and temperature. A small quantity of additional SO3(g)\text{SO}_3(g) is injected. Explain the direction in which the equilibrium position will shift and state whether the final equilibrium concentration of O2\text{O}_2 will be greater than, less than, or equal to its original value.

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