Consider the Gibbs energies at 25 ∘ C. Substance ΔG∘f (kJ·mol−1)
Ag+(aq) 77.1
Cl−(aq) −131.2
AgCl(s) −109.8
Br−(aq) −104.0
AgBr(s) −96.9

(a) Calculate ΔG∘rxn for the dissolution of AgCl(s) .
(b) Calculate the solubility-product constant of AgCl.
(c) Calculate ΔG∘rxn for the dissolution of AgBr(s) .
(d) Calculate the solubility-product constant of AgBr.

The standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) → 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 × 10-3 m and [i-] = 0.015 m is v. the standard emf for the cell using the overall cell reaction below is +2.20 v: 2al(s) + 3i2(s) 2ai3+(aq) + 6i-(aq) the emf generated by the cell when [ai3+] = 3.5 × 10-3 m and [i-] = 0.015 m is v. 2.36 2.24 2.21 2.51 2.04