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Home/Reference Data/Standard Electrode Potentials/2 NO₃⁻ + 4 H⁺ + 2 e ⇌ N₂O₄ + 2 H₂O

Standard Electrode Potentials: 2 NO₃⁻ + 4 H⁺ + 2 e ⇌ N₂O₄ + 2 H₂O

Standard reduction potentials (E° vs. SHE, 25°C, aqueous) for ~1,032 half-reactions covering elements from actinium to xenon plus common electrode systems (calomel). Used for corrosion potential calculations, electrochemical cell EMF, galvanic coupling analysis, and electroplating/electrolysis design.

Chemical Engineeringreaction: 2 NO₃⁻ + 4 H⁺ + 2 e ⇌ N₂O₄ + 2 H₂O1 row
reactione standard V (V)
2 NO₃⁻ + 4 H⁺ + 2 e ⇌ N₂O₄ + 2 H₂O0.803

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