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5.) Given the half reactions Cu²"(aq) + 2e → Cu (s) E°red = 0.34 V Pb2 (aq) +2 e → Pb (s) E'red = -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 108 II. 8.9 x 107 III. 7.9 x 1015 IV. 1.3 x 10-16

5.) Given the half reactions Cu²"(aq) + 2e → Cu (s) E°red = 0.34 V Pb2 (aq) +2 e → Pb (s) E'red = -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 108 II. 8.9 x 107 III. 7.9 x 1015 IV. 1.3 x 10-16

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 77AP
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5.) Given the half reactions Cu2"(aq) + 2e→ Cu (s) E°red = 0.34 V %3D Pb2* (aq) +2 e → Pb (s) Ered = -0.13 V %3D which is the Ke value for the reaction below, when conducted at 25°C? Pb2* (aq) + Cu (s) → Pb (s) + Cu2* (aq) III. 7.9 x 1015 IV. 1.3 x 10-16 I. 7.9 x 10-8 II. 8.9 x 107
Transcribed Image Text:5.) Given the half reactions Cu2"(aq) + 2e→ Cu (s) E°red = 0.34 V %3D Pb2* (aq) +2 e → Pb (s) Ered = -0.13 V %3D which is the Ke value for the reaction below, when conducted at 25°C? Pb2* (aq) + Cu (s) → Pb (s) + Cu2* (aq) III. 7.9 x 1015 IV. 1.3 x 10-16 I. 7.9 x 10-8 II. 8.9 x 107
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