Fe2* (aq) + Cr** (aq) 2 Cr²* (aq) + Fe** (aq) Cr** (aq, 1.0 M) +e¯ → Cr²* (aq, 1.0 M) E° =-0.41 v Fe* (aq, 1.0 M) +e¯ → Fe²+ (aq, 1.0 M) E° = 0.771 V Calculate equilibrium constant for the reaction at 298 K. K =

Fe2* (aq) + Cr** (aq) 2 Cr²* (aq) + Fe (aq) Cr (aq, 1.0 M) +e¯ → Cr²* (aq, 1.0 M) E° =-0.41 v Fe* (aq, 1.0 M) +e¯ → Fe²+ (aq, 1.0 M) E° = 0.771 V Calculate equilibrium constant for the reaction at 298 K. K =

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

Chapter1: Chemical Foundations

Section: Chapter Questions

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Fe?+ (aq) + Cr3+ (aq) 2 Cr+ (aq) + Fe+ (aq)
Cr*+ (aq, 1.0 M) +e → Cr3+ (aq, 1.0 M) E° =-0.41 V
Fe* (aq, 1.0 M) +e¯ → Fe²+ (aq, 1.0 M) E° = 0.771 V
Calculate equilibrium constant for the reaction at 298 K.
K =

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