For a spontaneous process,what are the values of $\Delta G$,equilibrium constant $(K)$,and $E^o_{cell}$?

Adding powdered lead and iron to a solution that is $1.0 \ M$ in both $Pb^{2+}$ and $Fe^{2+}$ ions would result in a reaction in which:

What happens to the voltage if the salt bridge is suddenly removed from a working electrochemical cell?

During the charging of a lead storage battery,the reaction at the anode is:

If less than $1.1 \ V$ external opposite current is passed through the Daniell cell,for such condition answer the following questions :
$(1)$ What is the cell potential ?
$(2)$ What is the type of cell ?

Which of the following statements is true for the electrochemical $Daniel$ cell?