Given that: AH°f[Ag2S(s)] = -32.6 kJ/mol AH°f[Ag+(aq}] = +105.6 kJ/mol AH°F[S2-(aq)] +33.05 kJ/mol What is the enthalpy change for the precipitation reaction of Ag2S(s)? +138.7 kJ/mol O A. -276.9 kJ/mol В. O B. +106.1 kJ/mol OC. +171.2 kJ/mol O D. -106.1 kJ/mol E.

Chemistry: Principles and Reactions
8th Edition
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Chapter8: Thermochemistry
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Problem 11QAP: When one mol of KOH is neutralized by sulfuric acid, q=56 kJ. (This is called the heat of...
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Given that:
AH°f[Ag2S(s)] = -32.6 kJ/mol
AH°f[Ag+(aq)] = +105.6 kJ/mol
AH°F[S2-(aq)]
+33.05 kJ/mol
What is the enthalpy change for the precipitation reaction of Ag2S(s)?
+138.7 kJ/mol
O A.
-276.9 kJ/mol
O B.
+106.1 kJ/mol
OC.
+171.2 kJ/mol
O D.
-106.1 kJ/mol
O E.
Transcribed Image Text:Given that: AH°f[Ag2S(s)] = -32.6 kJ/mol AH°f[Ag+(aq)] = +105.6 kJ/mol AH°F[S2-(aq)] +33.05 kJ/mol What is the enthalpy change for the precipitation reaction of Ag2S(s)? +138.7 kJ/mol O A. -276.9 kJ/mol O B. +106.1 kJ/mol OC. +171.2 kJ/mol O D. -106.1 kJ/mol O E.
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