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09-04-2024
Chemistry

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Consider a galvanic electrochemical cell constructed using Cr/Cr³⁺ and Zn/Zn²⁺ at 25 °C. The following half-reactions are provided for each metal: Cr³⁺(aq) 3 e⁻ → Cr(s) E°red = -0.744 V Zn²⁺(aq) 2 e⁻ → Zn(s) E°red = -0.763 V Write the balanced equation for the overall reaction in acidic solution.

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