25. What is the standard cell potential for a voltaic cell using the Pb²+/Pb and Mg²+/Mg half-reactions? Whichmetal is the cathode?Potentials (volts) in AqueousStandard ReductionSolutionPb** + 2e- → Pb2++1.80Au* + 3e" - Au3++1.50Fe++0.771+ 3e → FeI2 + 2e → 21-Pb* + 2e → PbAl* + 3e → AlMg* + 2e → Mg+0.535-0.124-1.66-2.37K* + e → K-2.93a. -2.25 V, Pb is the cathodeb. +2.25 V, Mg is the cathodec. -2.25 V, Mg is the cathoded. +2.25 V, Pb is the cathodee. -2.49 V, Mg is the cathode

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25. What is the standard cell potential for a voltaic cell using the Pb²*/Pb and Mg²*/Mg half-reactions? Which metal is the cathode? Potentials (volts) in Aqueous Standard Reduction Solution Pb** + 2e- → Pb2+ Au* + 3e → Au +1.80 +1.50 Fe* + 3e" → Fe +0.771 I, + 2e → 21- Pb* + 2e → Pb Al* + 3e → Al Mg* + 2e → Mg K* +e" → K +0.535 -0.124 -1.66 -2.37 -2.93 a. -2.25 V, Pb is the cathode b. +2.25 V, Mg is the cathode c. -2.25 V, Mg is the cathode d. +2.25 V, Pb is the cathode e. -2.49 V, Mg is the cathode

25. What is the standard cell potential for a voltaic cell using the Pb²/Pb and Mg²/Mg half-reactions? Which metal is the cathode? Potentials (volts) in Aqueous Standard Reduction Solution Pb** + 2e- → Pb2+ Au* + 3e → Au +1.80 +1.50 Fe* + 3e" → Fe +0.771 I, + 2e → 21- Pb* + 2e → Pb Al* + 3e → Al Mg* + 2e → Mg K* +e" → K +0.535 -0.124 -1.66 -2.37 -2.93 a. -2.25 V, Pb is the cathode b. +2.25 V, Mg is the cathode c. -2.25 V, Mg is the cathode d. +2.25 V, Pb is the cathode e. -2.49 V, Mg is the cathode

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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