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 Delta_rG^@ for the following reactions: Fe^(+2) (aq)+Ag^(+) (aq) to Fe^(+3) (aq)+Ag (s)

The equilibrium constant of the reaction : A_((s))+2B_((aq))^(+)hArr A_((aq))^(2+)+2B_((s)): E_(cell)^(@)=0.0295V is :

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) .

The equilibrium constant of the reaction : A_((s)) + 2 B_((aq))^(+) hArr A_((aq))^(2+) + 2 B_((s)) , E_("cell")^(@) = 0.0295V is [(2.303 RT)/(F) = 0.059]

(a) Write the equations for the reactions taking place at anode and cathode in the lead-storage battery. Calculate the value of DeltarG^(0) at 298 K for the cell reaction. 3Mg_(s) + 2Al^(3+)_(aq) to 3Mg^(2+)_(aq) + 2Al_(s) [Given , E_(mg)^(0) = -2.36V, E_(Al)^(0) = -1.66V and F = 96487 C]

Calculate standard free energy change for reaction Zn(S)+2Ag^(+)(aq) Leftrightarrow Zn_(aq)^(2+)+2Ag(s) E_("cell")^(0)=1.56V:" Given "1F=96500C mol^(-1) .

Predict whether the reaction 2Ag_((s))+Zn_((aq))^(2+)rarr 2Ag_((aq))^(+)+Zn_((s)) is feasible or not.