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`

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 potential of the following cell at 298 K Zn//Zn^(2+)(a=0.1)//Cu^(2+)(a=0.01)//Cu E_(Zn^(2+)//Zn)^(@)=-0.762V E_(Cu^(2+)//Cu)^(@)=+0.337V Compare the free energy change for this cell with the free enegy of the cell in the standard state.

Write the nernst equation and calculate the emf of the following cell at 298K. Mg(s)//Mg^(+2)(0.001m)////Cu^(+2)(0.0001M)//Cu(s) Given E^(@)Mg^(+2)//Mg=-2.36V and E^(@)Cu^(+2)//Cu=+0.34 V.

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

E_(1),E_(2) and E_(3) are the emfs of the following three galvanic cells respectively. (i) Zn_((s))|Zn^(2+)(0.1M)||Cu^(2+)(1M)|Cu_((s)) (ii) Zn_((s))|Zn^(2+)(1M)||Cu^(2+)(1M)|Cu_((s)) (iii) Zn_((s))|Zn^(2+)(1M)||Cu^(2+)(0.1M)|Cu_((s)) Which one of the following is true?

The e.m.f. of the cell at 25^(@)C Cu"|"Cu^(2+)(0.01M)"||"Ag^(+)(0.1M)"|"Ag is [E^(@)(Cu^(2+)"|"Cu)=0.34V, E^(@)(Ag^(+)"|"Ag)=0.80V]

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

E_(1), E_(2) and E_(3) are the emf values of the three galvanic cells respectively (i) Zn"|"Zn^(2+)(1M)"||"Cu^(2+)(0.1)M"|"Cu (ii) Zn"|"Zn^(2+)(1M)"||"Cu^(2+)(1M)"|"Cu (iii) Zn"|"Zn^(2+)(0.1M)"||"Cu^(2+)(1M)"|"Cu Which one of the following is true ?

Calculate the E.M.F. of the zinc - silver cell at 25^(@)C when [Zn^(2+)]=0.10M and [Ag^(+)]=10M.[E^(@) " cell at "25^(@)C="1.56 volt"]