Calculate Δ_rG° for the Reaction Below at 25

question 24

Multiple Choice

Calculate Δ_rG° for the reaction below at 25.0 °C. CH₄(g) + H₂O(g) → 3 H₂(g) + CO(g)
Given: Δ_fG° [CH₄(g) ] = -50.8 kJ/mol,Δ_fG° [H₂O(g) ] = -228.6 kJ/mol,Δ_fG° [H₂(g) ] = 0.0 kJ/mol,and Δ_fG° [CO(g) ] = -137.2 kJ/mol.

• A) -416.3 kJ/mol-rxn
• B) -142.2 kJ/mol-rxn
• C) +142.2 kJ/mol-rxn
• D) +315.0 kJ/mol-rxn
• E) +416.3 kJ/mol-rxn

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