What Is the Free Energy Change,ΔG°,for the Equilibrium Between Hydrogen

question 71

Multiple Choice

What is the free energy change,ΔG°,for the equilibrium between hydrogen iodide,hydrogen, and iodine at 453°C? (R = 8.314 J/K• mol)
2HI(g) H₂(g) + I₂(g) K_c = 0.020 at T = 453°C

• A)6.4 kJ/mol
• B)8.8 kJ/mol
• C)15 kJ/mol
• D)19 kJ/mol
• E)24 kJ/mol

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A physical quantity expressing the subjective perceptions of hot and cold, measured with thermometers.

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