The ____ reactions in a hydrogen fuel cell can be described as a ____ reactions. At the ____ or negative electrode, hydrogen loses electrons and so is oxidised. The half equation for this reaction is H2 (g) --> 2H^+(aq) ____ 2e^- At the anode or ____ electrode, oxygen is reduced. The halft equation for this reaction is; 4H+ (aq) +& O2 (g) + 4e^- --> 2H20 ____

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