4. Calculate the Eºcell and predict whether the following reactions would occur spontaneously in aqueous solution at 25°C. Assume that all concentrations are at 1.0M. (a) Ca(s) + Cd²+ (aq) → Ca²+ (aq) + Cd(s) (b) 2Br¹-(aq) + Sn²+ (aq) → Br2(1) + Sn(s) (c) 2Ag(s) + Ni²+ (aq) → 2Ag+ (aq) + Ni(s) (d) Cu+ (aq) + Fe³+ (aq) → Cu²+ (aq) + Fe²+ (aq)

Chemistry: Principles and Practice
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Chapter18: Electrochemistry
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4. Calculate the Eºcell and predict whether the following reactions would occur spontaneously in
aqueous solution at 25°C. Assume that all concentrations are at 1.0M.
(a) Ca(s) + Cd²+ (aq) → Ca²+ (aq) + Cd(s)
(b) 2Br¹-(aq) + Sn²+ (aq) → Br2(1) + Sn(s)
(c) 2Ag(s) + Ni2+ (aq) → 2Ag+ (aq) + Ni(s)
(d) Cu+ (aq) + Fe³+ (aq) → Cu²+ (aq) + Fe²+ (aq)
The equilik
Transcribed Image Text:4. Calculate the Eºcell and predict whether the following reactions would occur spontaneously in aqueous solution at 25°C. Assume that all concentrations are at 1.0M. (a) Ca(s) + Cd²+ (aq) → Ca²+ (aq) + Cd(s) (b) 2Br¹-(aq) + Sn²+ (aq) → Br2(1) + Sn(s) (c) 2Ag(s) + Ni2+ (aq) → 2Ag+ (aq) + Ni(s) (d) Cu+ (aq) + Fe³+ (aq) → Cu²+ (aq) + Fe²+ (aq) The equilik
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