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5.) Given the half reactions Cu²*(aq) + 2e → Cu (s) E°red = 0.34 V Pb?* (аq) + 2 е Pb (s) Е ed 3 -0.13 V which is the K. value for the reaction below, when conducted at 25°C? Pb2+ (aq) + Cu (s) → Pb (s) + Cu²+ (aq) I. 7.9 x 10-8 П. 8.9х 107 Ш. 7.9 х 1015 IV. 1.3 x 10-16

5.) Given the half reactions Cu²*(aq) + 2e → Cu (s) E°red = 0.34 V Pb?* (аq) + 2 е Pb (s) Е ed 3 -0.13 V which is the K. value for the reaction below, when conducted at 25°C? Pb2+ (aq) + Cu (s) → Pb (s) + Cu²+ (aq) I. 7.9 x 10-8 П. 8.9х 107 Ш. 7.9 х 1015 IV. 1.3 x 10-16

Chemistry
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
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5.) Given the half reactions Cu2*(aq) + 2e → Cu (s) E°red = 0.34 V Рb** (aq) + 2 е > PЬ (s) E'"red 3D -0.13 V which is the K, value for the reaction below, when conducted at 25°C? Pb2+ (aq) + Cu (s) → Pb (s) + Cu²* (aq) I. 7.9 x 10-8 I. 8.9 х 107 I. 7.9 х 1015 IV. 1.3 x 10-16 Keywords: spontaneity, equilibrium constant, thermodynamically favorable, voltaic cell, voltage, Gibbs Free Energy change, half reaction Concepts: Magnitude of equilibrium constant for electrochemical cells
Transcribed Image Text:5.) Given the half reactions Cu2*(aq) + 2e → Cu (s) E°red = 0.34 V Рb** (aq) + 2 е > PЬ (s) E'"red 3D -0.13 V which is the K, value for the reaction below, when conducted at 25°C? Pb2+ (aq) + Cu (s) → Pb (s) + Cu²* (aq) I. 7.9 x 10-8 I. 8.9 х 107 I. 7.9 х 1015 IV. 1.3 x 10-16 Keywords: spontaneity, equilibrium constant, thermodynamically favorable, voltaic cell, voltage, Gibbs Free Energy change, half reaction Concepts: Magnitude of equilibrium constant for electrochemical cells
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