Find $\Delta$ H ^$\circ$ _rxn for the Reaction
2Ag₂S(s) + 2H₂O(l) $\rarr$

question 45

Multiple Choice

Find $\Delta$ H ^$\circ$ _rxn for the reaction
2Ag₂S(s) + 2H₂O(l) $\rarr$ 4Ag(s) + 2H₂S(g) + O₂(g) .[ $\Delta$ H ^$\circ$ _f (Ag₂S(s) ) = -32.6 kJ/mol; $\Delta$ H ^$\circ$ _f (H₂S(g) ) = -20.5 kJ/mol; $\Delta$ H ^$\circ$ _f (H₂O(l) ) = -285.5 kJ/mol]

• A) 595.2 kJ/mol
• B) 585.2 kJ/mol
• C) 575.2 kJ/mol
• D) 565.2 kJ/mol
• E) None of the above

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