Problem: The equilibrium constant for the reaction2Fe3+(aq) + Hg 22+(aq) ⇌ 2Fe2+(aq) + 2Hg2+(aq)is Kc = 9.1 x 10−6 at 298 K.(c) Calculate ΔG when [Fe3+] = 0.20 M, [Hg 22+] = 0.010 M, [Fe2+] = 0.010 M, and [Hg2+] = 0.025 M. In which direction will the reaction proceed to achieve equilibrium?

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Problem Details

The equilibrium constant for the reaction
2Fe3+(aq) + Hg 22+(aq) ⇌ 2Fe2+(aq) + 2Hg2+(aq)

is Kc = 9.1 x 10−6 at 298 K.

(c) Calculate ΔG when [Fe3+] = 0.20 M, [Hg 22+] = 0.010 M, [Fe2+] = 0.010 M, and [Hg2+] = 0.025 M. In which direction will the reaction proceed to achieve equilibrium?

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