A voltaic cell is made using the two half -cells below(written as reduction): Br2(1) + 2 e→ 2Br (aq) Cr3+(aq) + 3 E→ Cr(s) What is the overall reation that occurs in the electrochemical cell? 3B12(1) +2Cr(s) → 6B1¬(aq) + 2 Cr3+(aq) 6Br(aq) + 2 Cr3*(aq) → 3Br2(1) +2Cr(s) 3Br2(1) +6Cr(s) → 6Br (aq) + 6 Cr3*(ag) Br2(1) +2Cr(s) 2Br (aq) + 2 Cr (aq)

A voltaic cell is made using the two half -cells below(written as reduction): Br2(1) + 2 e→ 2Br (aq) Cr3+(aq) + 3 E→ Cr(s) What is the overall reation that occurs in the electrochemical cell? 3B12(1) +2Cr(s) → 6B1¬(aq) + 2 Cr3+(aq) 6Br(aq) + 2 Cr3(aq) → 3Br2(1) +2Cr(s) 3Br2(1) +6Cr(s) → 6Br (aq) + 6 Cr3(ag) Br2(1) +2Cr(s) 2Br (aq) + 2 Cr (aq)

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 120AE

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