Chapter 18, Problem 18.68SP

(a) ${\text{Co(s)|Co}}^{2+}(aq)\left|\right|{\text{Cu}}^{2+}\text{(aq)|Cu(s)}$

Interpretation Introduction

To determine:

The balanced equation of the electrode, overall cell reaction in the given galvanic cells and draw each cell and label the anode and cathode and show the direction of electron and ion flow

(b) ${\text{Fe(s)|Fe}}^{2+}{\text{(aq)||O}}_2{\text{(g)|H}}^{+}{\text{(aq),H}}_2\text{O,(l)|Pt(s)}$

Interpretation Introduction

To determine:

The balanced equation of the electrode, overall cell reaction in the given galvanic cells and draw each cell and label the anode and cathode and show the direction of electron and ion flow