The Reaction Quotient Video Lessons

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# Problem: At 850 K the equilibrium constant for the following reaction is Kc = 15.2SO2(g) + O2(g) ⇌ 2SO3(g)If we mix the following concentrations of the three gases, predict in which direction the net reaction will proceed toward equilibrium.[SO2] = 0.20 M[O2] = 0.60 M[SO3] = 0.60 M[SO2] = 0.14 M[O2] = 0.10 M[SO3] = 0.40 M[SO2] = 0.90 M[O2] = 0.50 M[SO3] = 0.10 M

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###### Problem Details

At 850 K the equilibrium constant for the following reaction is Kc = 15.

2SO2(g) + O2(g) ⇌ 2SO3(g)

If we mix the following concentrations of the three gases, predict in which direction the net reaction will proceed toward equilibrium.

[SO2] = 0.20 M
[O2] = 0.60 M
[SO3] = 0.60 M

[SO2] = 0.14 M
[O2] = 0.10 M
[SO3] = 0.40 M

[SO2] = 0.90 M
[O2] = 0.50 M
[SO3] = 0.10 M

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Based on our data, we think this problem is relevant for Professor Kellman's class at UO.