a) Calculate the e.m.f. of the cell represented below:
`Ni_((s))|Ni_(0.1M)^(2+)||Ag_(0.01M)^(+)|Ag_((s))" at 298    Given,  "E_("cell")^(@)=1.05V`, 

Calculate the e.m.f. of the cell in which the following reaction takes place. Ni_((s)) + 2Ag_((0.002M))^(+) to Ni_((0.160M))^(2+) + 2Ag_((s)) , "Given " E_("cell")^@ = 1.05 V

An alloy of Pb-Ag weighing 1.08 g was dissolved in dilute HNO_(3) and the volume made to 100 mL. A silver electrode was dipped in the solution and the e.m.f. of the cell set up Pt(s), H_(2)(g)"|"H^(+)(1M)"||"Ag^(+)(aq)"|"Ag(s) was 0.62 V. If E_("cell")^(@)=0.80V , what is the percentage of Ag in the alloy ? (At 25^(@)C, 2.303RT//F=0.06 )

Calculate the emf of the following cell at 298K, Fe(s)Fe^(2+)(0.001M)||H^+(1M)|H_2(g)(1ba r), Pt(s)

(a) Calculate the emf of the cell in which the following reaction takes place Ni(S) + 2Ag^(+)(0.002M) rarr Ni^(2+)(0.160M) + 2Ag(S) Given that E_(cell)^(circ)= 1.05V (b) A galvanic cell after use is recharged by passing current through it. What type of cell is it? Give an example.

Calculate e.m.f. of cell for the reaction : Mg_((s))+Cu^(2+)"(0.0001 M)"rarr Mg^(2+)"(0.001 M)"+Cu_((s)) Given that : E_(Mg^(2+)//Mg)^(@)=-2.37V E_(Cu^(2+)//Cu)^(@)=+0.34V

b) Calculate Delta_(r)G^(@) for the following reaction: Fe_((aq))^(+2)+Ag_((aq))^(+)rarr Fe_((aq))^(+3)+Ag(s)." "("Given : "E_("cell")^(@)=+0.03V, F=96500C) .

Calculate the EMF of the cell for the reaction Mg_((s))+2Ag_((aq))^(+)rarr Mg_((aq))^(2+)+2Ag_((s)) . ("Given " :E^(@)Mg^(2+)//Mg=-2.37V, E^(@)Ag^(+)//Ag=0.80V, [Mg^(2+)]=0.001M[Ag^(+)]=0.001M and log10^(5)=5) .

Calculate EMF of the cell represents below Zn//Zn^(2+)(C=0.1M)||Cu^(2+)(C=1M)//Cu" at "25^(@)C Given E_(Cu)^(0)=0.34E_(Zn)^(0)=0.76v