===Balancing redox reactions===Electrochemical reactions in water are better understood by balancing redox reactions using the ion-electron method where H+, OH− ion, H2O and electrons (to compensate the oxidation changes) are added to cell's half-reactions for oxidation and reduction.
+ , OH- ion, H2O and electrons (to compensate the oxidation changes) are added to cell’s half reactions for oxidation and reduction.