It is desired to separate silver in a solution that is 0.0481 M BiO+, 0.119 M Cu²+, 0.0916 M Ag+, and 0.500 M HCIO, by controlled-potential electrolysis. Ag+ (aq) + 1e → Ag(s) E = 0.799 V Cu²+ + 2e → Cu(s) E = 0.337 V BIO+ (aq) + 2 H+ (aq) + 3 e¯ →→→ Bi(s) + H₂O(1) E = 0.320 V Between what cell potentials can silver be quantitatively removed from the solution without also removing one of the othe ions using controlled-potential electrolysis? Use 1.00 x 10-6 M as the criterion for quantitative removal. Report all cell potentials versus Ag|AgCl (E = 0.197 V). List the higher (more positive) potential first. between Ecell = V and Ecell = =

It is desired to separate silver in a solution that is 0.0481 M BiO+, 0.119 M Cu²+, 0.0916 M Ag+, and 0.500 M HCIO, by controlled-potential electrolysis. Ag+ (aq) + 1e → Ag(s) E = 0.799 V Cu²+ + 2e → Cu(s) E = 0.337 V BIO+ (aq) + 2 H+ (aq) + 3 e¯ →→→ Bi(s) + H₂O(1) E = 0.320 V Between what cell potentials can silver be quantitatively removed from the solution without also removing one of the othe ions using controlled-potential electrolysis? Use 1.00 x 10-6 M as the criterion for quantitative removal. Report all cell potentials versus Ag|AgCl (E = 0.197 V). List the higher (more positive) potential first. between Ecell = V and Ecell = =

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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7. Please answer the following questions. (a) Given the following reduction potentials Cd (OH)2 (s) + 2e → Cd (s) + 2 OH (aq) Eºred = -0.76 V NIO(OH) (s) + H₂O (1) + e → Ni(OH)2 (aq) + OH (aq) Eºred = +0.49 V Calculate the standard emf of the nickel-cadmium (nicad) rechargeable battery. *hint: the reaction for the discharge of nicad battery is: Cd (s) + 2 NIO(OH) (s) + 2 H₂O (1)→ 2Ni(OH)2 (aq) + Cd(OH)2 (s) (b) A typical nicad voltaic cell generates an emf of +1.30 V. Why is there a difference between this value and the one you calculated in part (b)? (c) Calculate the equilibrium constant for the overall nicad reaction based on this typical emf value.
Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: (aq) + 2Cu+ (aq) → Pb(s) + 2Cu²+ (aq) AG° Pb²+ = Pb²+ (aq) + 2e¯ → Pb(s) Ee = -0.126 V red 2+ Cu²+ (aq) + e → Cu+ (aq) Fº red kJ K for this reaction would be = = 0.153 V + than one.
Consider the following cell: Ni(s)|Ni2+(aq, 0.100 M)||Cl–(aq, 0.200 M)|Cl2(g, 1.50 atm)|Pt If the standard voltage for this cell is 1.59 V at 25oC, calculate the voltage of this cell.
A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3+ 2+ 2 Cr³+ (aq) + 3Ca (s) → 2Cr (s) + 3 Ca²+ (aq) 3+ 2+ Suppose the cell is prepared with 2.68 M Cr in one half-cell and 7.85 M Ca in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. x10 ロ・ロ × μ 0|0 Ś
Consider the following standard reduction potentials: Zn2*(aq) + 2 e → Zn(s) E° = -0.76 V Mg2*(aq) + 2 e → Mg(s) E° = -2.37 V Ag*(aq) + e → Ag(s) E° = +0.80 V Which is the strongest oxidizing agent? Mg2*(aq) Zn2*(aq) Ag*(aq) 5:08 PM 90°F Partly sunny P Type here to search 8/6/2021
Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: AG° 2+ Ni²+(aq) + Sn(s) → Ni(s) + Sn²+ (aq) Ni2+ (aq) + 2e → Ni(s) Fre = -0.250 V Sn2+ red (aq) + 2e¯ → Sn(s) red EO = -0.140 V kJ K for this reaction would be than one.