Calculate $\Delta$ _rG ^$\circ$ for the Reaction Below at 25 $\Delta$ C
CH₄(g)+ H₂O(g)

question 34

Multiple Choice

Calculate $\Delta$ _rG ^$\circ$ for the reaction below at 25.0 $\Delta$ C
CH₄(g) + H₂O(g) $\to$ 3 H₂(g) + CO(g)
Given $\Delta$ _fG ^$\circ$ [CH₄(g) ] = -50.8 kJ/mol, $\Delta$ _fG ^$\circ$ 10 [H₂O(g) ] = -228.6 kJ/mol, $\Delta$ _fG ^$\circ$ 10 [H₂(g) ] = 0.0 kJ/mol,and $\Delta$ _fG ^$\circ$ [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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