Two of the most important cathodic processes in aqueous corrosion cells are the reduction of dissolved oxygen
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Two of the most important cathodic processes in aqueous corrosion cells are the reduction of dissolved oxygen and the reduction of hydrogen ions. On an iron surface the exchange current density, io for proton reduction is about l0-6 A/cm2 whereas that for the oxygen reaction is about 10-14A/cm2 . How might you account for this large difference in kinetics?
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