The charge over the anode in a galvanic cell is

Depict the galvanic cell in which the reaction $Zn_{(s)} + 2Ag^{+}_{(aq)} \rightarrow Zn^{2+}_{(aq)} + 2Ag_{(s)}$ takes place,further show:
$(i)$ which of the electrode is negatively charged,
$(ii)$ the carriers of the current in the cell,and
$(iii)$ individual reaction at each electrode.

If $6$ batteries are connected in series in a car,and each battery has a potential of $2 \ V$,what is the total voltage of the battery system (in $V$)?

On the flow of electricity,what happens to the concentration of the anode solution in a galvanic cell?

What is the correct cell representation for the reaction $2Br^{-}_{(aq)} + Cl_{2(g)} \rightarrow Br_{2(l)} + 2Cl^{-}_{(aq)}$?

In a hydrogen-oxygen fuel cell,the combustion of hydrogen occurs to: