Consider the galvanic cell based on the following half-reactions. Ag+ + e− → Ag     ℰ° = +0.80 V Fe2+ + 2 e− → Fe     ℰ° = −0.44 V (a) Determine the overall cell reaction and calculate  ℰ ° cell  .  (b) Calculate ΔG° and K for the cell reaction at 25°C. (c) Calculate ℰcell at 25°C when [Ag+ ] = 1.0 ✕ 10−4 M and [Fe2+ ] = 1.0 ✕ 10−2 M.

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Consider the galvanic cell based on the following half-reactions.

Ag+ + e → Ag    
ℰ° = +0.80 V
Fe2+ + 2 e → Fe    
ℰ° = −0.44 V

(a) Determine the overall cell reaction and calculate 

°
cell

 . 

(b) Calculate ΔG° and K for the cell reaction at 25°C.

(c) Calculate ℰcell at 25°C when [Ag+ ] = 1.0 ✕ 10−4 M and [Fe2+ ] = 1.0 ✕ 10−2 M.

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