Represent the cell in which the following reaction takes place

$Mg(s)+2A{g}^{+}(0\mathrm{.}0001M)M{g}^{2+}(0\mathrm{.}130M)+2Ag(s)$

Calculate its $E_{(cell)}$ if $E_{(cell)}^{}=3\mathrm{.}17V.$

$11.$

The resistance of a conductivity cell containing $0\mathrm{.}001MKCl$ solution at $298K$ is $1500.$ What is the cell constant if conductivity of $0\mathrm{.}001MKCl$ solution at $298K$ is $0\mathrm{.}146{10}^{-3}Sc{m}^{-1}.$

$12.$ Label and explain in details the following diagram

$[5]$

$13.1$ Give three functions of $E.$

$[3]$

$14.$ Give an ideal principle of predicting a performance of a fuel cell and give an example with a calculation

$[10]$