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Establishing Equilibrium

At a very high temperature, Kc = 1.0 x 10-13 for the following reaction:
2 HF(g) ---> H2(g) + F2(g)

At a certain time, the following concentrations were detected. Is the system at equilibrium? If not, what must occur for equilibrium to be established?

[HF] = 0.300 M, [H2] = 1.00 x 10-4 M, and [F2] = 4.00 x 10-5 M.

a. Yes, the system is already at equilibrium
b. No, the reverse reaction will be favored
c. No, the forward reaction will be favored

Solution Summary

This solution determines whether a system of reactions has reached equilibrium and if not, what is required in order for equilibrium to be established.