11) a) Determine Keq at 25 °C for the following reaction: The half-reactions are: Pb2+ (aq) + 2 e- = Pb(s) Cu2+ (aq) + 2 e- Cu(s) E = -0.125 V E° = +0.337 V Pb²+ (aq) + Cu(s) Cu²+ (aq) + Pb(s) b) If E was measured to be -.500V, and [Zn²+] is 0.250 M, what is [Cu²+]? c) If E was measured to be -.500V, and [Cu²+] is 0.333 M, what is [Zn²+]?
11) a) Determine Keq at 25 °C for the following reaction: The half-reactions are: Pb2+ (aq) + 2 e- = Pb(s) Cu2+ (aq) + 2 e- Cu(s) E = -0.125 V E° = +0.337 V Pb²+ (aq) + Cu(s) Cu²+ (aq) + Pb(s) b) If E was measured to be -.500V, and [Zn²+] is 0.250 M, what is [Cu²+]? c) If E was measured to be -.500V, and [Cu²+] is 0.333 M, what is [Zn²+]?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter18: Electrochemistry
Section: Chapter Questions
Problem 59E: Answer the following questions using data from Table 17-1 (all under standard conditions). a. Is...
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![11)
a) Determine Keq at 25 °C for the following reaction:
The half-reactions are:
Pb2+ (aq) + 2 e-= Pb(s)
Cu2+ (aq) + 2 e- Cu(s)
E = -0.125 V
E = +0.337 V
Pb²+ (aq) + Cu(s) Cu²+ (aq) + Pb(s)
b) If E was measured to be -.500V, and [Zn²+] is 0.250 M, what is [Cu²+]?
c) If E was measured to be -.500V, and [Cu²+] is 0.333 M, what is [Zn²+]?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe07f7483-05e5-4237-8b19-283747e8397b%2F18ab9ccc-8ca5-420a-ac41-828ede53efa8%2F0igzhv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11)
a) Determine Keq at 25 °C for the following reaction:
The half-reactions are:
Pb2+ (aq) + 2 e-= Pb(s)
Cu2+ (aq) + 2 e- Cu(s)
E = -0.125 V
E = +0.337 V
Pb²+ (aq) + Cu(s) Cu²+ (aq) + Pb(s)
b) If E was measured to be -.500V, and [Zn²+] is 0.250 M, what is [Cu²+]?
c) If E was measured to be -.500V, and [Cu²+] is 0.333 M, what is [Zn²+]?
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