Use Hess's Law to Calculate Δ_rG° using the Following Information

question 12

Multiple Choice

Use Hess's law to calculate Δ_rG° using the following information: ClO(g) + O₃(g) → Cl(g) + 2O₂(g) Δ_rG° = ?
2O₃(g) → 3O₂(g) Δ_rG° = +489.6 kJ mol^-1
Cl(g) + O₃(g) → ClO(g) + O₂(g) Δ_rG° = -34.5 kJ mol^-1

• A) -472.4 kJ mol^-1
• B) -210.3 kJ mol^-1
• C) +455.1 kJ mol^-1
• D) +262.1 kJ mol^-1
• E) +524.1 kJ mol^-1

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