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categoryكيمياء schoolبكالوريوس event_available2026-07-13

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13. (a) Calculate the emf of a cell made up of a hydrogen electrode (PH₂ =1atm) and an oxygen electrode (po₂ = 0.5 atm) in 0.5 M NaOH. (b) What is the polarity and which electrode is anode? (Assume that the oxygen electrode is reversible.)

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