A solution containing 0.110.11 M Pb2+Pb2+ , 1.5×10−61.5×10−6 M Pb4+Pb4+ , 1.5×10−61.5×10−6 M Mn2+Mn2+ , 0.110.11 M MnO−4MnO4− , and 0.800.80 M HNO3HNO3 was prepared. For this solution, the balanced reduction half‑reactions and overall net reaction shown can occur.5[Pb4++2e−↽−−⇀Pb2+]5⁢[Pb4++2⁢e−⁢↽−−⇀⁢Pb2+]?∘+=1.690 V�+°=1.690 V2[MnO−4+8H++5e−↽−−⇀Mn2++4H2O]2⁢[MnO4−+8⁢H++5⁢e−⁢↽−−⇀⁢Mn2++4⁢H2O]?∘−=1.507 V�−°=1.507 V5Pb4++2Mn2++8H2O↽−−⇀5Pb2++2MnO−4+16H+5⁢Pb4++2⁢Mn2++8⁢H2O↽−−⇀⁢5⁢Pb2++2⁢MnO4−+16⁢H+ Determine ?∘cell�cell∘, Δ?∘Δ⁢�∘, and ?� for this reaction. Ⓒ Macmillan LearningA solution containing 0.11 M Pb²+, 1.5 × 10-6 M Pb4 +, 1.5 × 10-6 M Mn² +, 0.11 M MnO, and 0.80 M HNO3 was prepared.For this solution, the balanced reduction half-reactions and overall net reaction shown can occur.5 [Pb++2e= Pb²+]2 [MnO + 8 H+ + 5e¯Mn²+ + 4H₂O]5 Pb4 + + 2 Mn²+ + 8H₂O5 Pb²+ + 2 MnO² + 16 H+Determine Ecell, AG, and K for this reaction.Ecell=AGⓇ =K=x10TOOLSE = 1.690 VE = 1.507 V

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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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A solution containing 0.110.11 M Pb2+Pb2+ , 1.5×10−61.5×10−6 M Pb4+Pb4+ , 1.5×10−61.5×10−6 M Mn2+Mn2+ , 0.110.11 M MnO−4MnO4− , and 0.800.80 M HNO3HNO3 was prepared. For this solution, the balanced reduction half‑reactions and overall net reaction shown can occur.

5[Pb4++2e−↽−−⇀Pb2+]5⁢[Pb4++2⁢e−⁢↽−−⇀⁢Pb2+]	?∘+=1.690 V�+°=1.690 V
2[MnO−4+8H++5e−↽−−⇀Mn2++4H2O]2⁢[MnO4−+8⁢H++5⁢e−⁢↽−−⇀⁢Mn2++4⁢H2O]	?∘−=1.507 V�−°=1.507 V
5Pb4++2Mn2++8H2O↽−−⇀5Pb2++2MnO−4+16H+5⁢Pb4++2⁢Mn2++8⁢H2O↽−−⇀⁢5⁢Pb2++2⁢MnO4−+16⁢H+

Determine ?∘cell�cell∘, Δ?∘Δ⁢�∘, and ?� for this reaction.

Ⓒ Macmillan Learning
A solution containing 0.11 M Pb²+, 1.5 × 10-6 M Pb4 +, 1.5 × 10-6 M Mn² +, 0.11 M MnO, and 0.80 M HNO3 was prepared.
For this solution, the balanced reduction half-reactions and overall net reaction shown can occur.
5 [Pb++2e= Pb²+]
2 [MnO + 8 H+ + 5e¯
Mn²+ + 4H₂O]
5 Pb4 + + 2 Mn²+ + 8H₂O5 Pb²+ + 2 MnO² + 16 H+
Determine Ecell, AG, and K for this reaction.
Ecell
=
AGⓇ =
K=
x10
TOOLS
E = 1.690 V
E = 1.507 V

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