Given That Δ_fH° [Ag₂S(s)] = -32

question 33

Multiple Choice

Given that Δ_fH° [Ag₂S(s) ] = -32.6 kJ/mole,what is the enthalpy change for the precipitation of argentite,Ag₂S(s) ?
Δ_fH° [Ag⁺(aq) ] = +105.6 kJ/mol
Δ_fH° [S^2-(aq) ] = +33.05 kJ/mol

• A)-276.9 kJ/mol
• B)-106.1 kJ/mol
• C)+171.2 kJ/mol
• D)+106.1 kJ/mol
• E)+138.7 kJ/mol

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