Oxidation of hydrogen gas to water happens at the anode, while reduction of oxygen gas to hydroxide happens at the cathode.  A pure hydrogen at the anode side at 80 kPa and uses  air at 1 bar as the oxygen source in the cathode side. At a temperature of 30oC.  Assuming no side reactions due to the existence of nitrogen in the cathode, answer the following: a. What is the overall reaction? How is the overall reaction it different from  hydrogen combustion? b) Determine the standard cell potential, Eocell c) Determine the actual cell potential, Ecell

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Batteries

A battery is simply an electrochemical cell or group of cells that generate electric current. Batteries are the devices that generate current using redox reactions. These reactions proceed by the transfer of electrons. An ideal battery or cell should produce a constant voltage. A battery should actually be light in weight.