EMF of an `H_(2)-O_(2)` fuel cell

List the advantages of using H_(2)-O_(2) fuel cell over ordinary cell.

For a H_(2) - O_(2) fuel cell , the theoretical voltage has been found to be 1.23 V and Delta H to be -285 kJ mol^(-1) . The efficiency of the fuel cell is

What are fuel cells ? Explain the electrode reactions involved in the working of H_(2) - O_(2) fuel cell.

Mention one advantage of H_(2) - O_(2) fuel cell.

State the advantages of H_(2)-O_(2) fuel cell over ordinary cell.