Galvanic cell has 2 half reactions O2(g) + 4H+(aq) + 4e- → 2H2O(l) E0red = +1.23 V Cr3+(aq) + 3e- → Cr(s) E0red = -0.74 V Write a balanced equation that describes the cell, ensuring that E0cell > 0 V and Calculate E0cell

Galvanic cell has 2 half reactions O2(g) + 4H+(aq) + 4e- → 2H2O(l) E0red = +1.23 V Cr3+(aq) + 3e- → Cr(s) E0red = -0.74 V Write a balanced equation that describes the cell, ensuring that E0cell > 0 V and Calculate E0cell

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 76E: Consider the galvanic cell based on the following half-reactions: a. Determine the overall cell...

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Question

Galvanic cell has 2 half reactions

O₂(g) + 4H⁺(aq) + 4e- → 2H₂O(l) E⁰_red = +1.23 V

Cr³⁺(aq) + 3e- → Cr(s) E⁰_red = -0.74 V

Write a balanced equation that describes the cell, ensuring that E⁰_cell > 0 V and Calculate E⁰_cell

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