How is an electrolytic cell different from a voltaic cell?
electrons are gained at the anode in an electrolytic cell.
oxidation occurs at the cathode in an electrolytic cell.
a power supply is needed in an electrolytic cell.
a salt bridge is needed in an electrolytic cell.

What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.