QUESTION 5 Given the half reactions Cu 2+ (aq) + 2e- → Cu (s) Eored = + 0.34 VPb2+ (aq) + 2 e- → Pb (s) E o red = -0.13 V which is the Kc value for the reaction below, when conducted at 25oC? Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq) A. 7.9 × 10-8 B. 8.9 × 107 C. 7.9 × 1015 D. 1.3 × 10-16

QUESTION 5 Given the half reactions Cu 2+ (aq) + 2e- → Cu (s) Eored = + 0.34 VPb2+ (aq) + 2 e- → Pb (s) E o red = -0.13 V which is the Kc value for the reaction below, when conducted at 25oC? Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq) A. 7.9 × 10-8 B. 8.9 × 107 C. 7.9 × 1015 D. 1.3 × 10-16

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 60E

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Question

QUESTION 5

Given the half reactions

Cu ²⁺  (aq) + 2e-   → Cu (s)    E^o_red = + 0.34 V
Pb²⁺ (aq) + 2 e-  → Pb (s)    E ^o _red  = -0.13 V

which is the Kc value for the reaction below, when conducted at 25^oC?

Pb2+(aq) + Cu(s) → Pb(s) + Cu2+(aq)

		A. 7.9 × 10-8
		B. 8.9 × 107
		C. 7.9 × 1015
		D. 1.3 × 10-16

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