question archive Consider the Gibbs energies at 25 ?C
Consider the Gibbs energies at 25 ?C
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Consider the Gibbs energies at 25 ?C.
| SubstanceSubstance | ΔG?f (kJ⋅mol−1)ΔGf? (kJ·mol−1) |
|---|---|
| Ag+(aq)Ag+(aq) | 77.177.1 |
| Cl−(aq)Cl−(aq) | −131.2−131.2 |
| AgCl(s)AgCl(s) | −109.8−109.8 |
| Br−(aq)Br−(aq) | −104.0−104.0 |
| AgBr(s)AgBr(s) | −96.9−96.9 |
(a) Calculate ΔG?rxn for the dissolution of AgCl(s)AgCl(s).
kJ⋅mol−1
(b) Calculate the solubility-product constant of AgCl.
K=
(c) Calculate ΔG?rxnΔGrxn? for the dissolution of AgBr(s)AgBr(s).
kJ⋅mol−1kJ⋅mol−1
(d) Calculate the solubility-product constant of AgBr.
K=K=
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