Which of the following reactions will have the largest equilibrium constant (K) at 298 K? Group of answer choices 2 Hg(g) + O2(g) → 2 HgO(s) ΔG° = -180.8 kJ CaCO3(s) → CaO(s) + CO2(g) ΔG° =+131.1 kJ Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) ΔG° = -28.0 kJ 3 O2(g) → 2 O3(g) ΔG° = +326 kJ It is not possible to determine without more information.

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter16: Thermodynamics: Directionality Of Chemical Reactions
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Which of the following reactions will have the largest equilibrium constant (K) at 298 K?
Group of answer choices
2 Hg(g) + O2(g) → 2 HgO(s) ΔG° = -180.8 kJ
CaCO3(s) → CaO(s) + CO2(g) ΔG° =+131.1 kJ
Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) ΔG° = -28.0 kJ
3 O2(g) → 2 O3(g) ΔG° = +326 kJ
It is not possible to determine without more information.
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