A galvanic cell is constructed that carries out the reactionPb?* (aq) + 2 Cr²* (aq) → Pb(s) + 2 Cr³+* (aq)If the initial concentration of Pb²*(aq) is 0.15 M, that ofCr* (aq) is 0.20 M, and that of Cr³*(aq) is 0.0030 M,calculate the initial voltage generated by the cell at 25°C.

It is given that the concentration of Pb2+ is 0.15 M and the concentration of Cr2+ is 0.20 M and the…

Answered: A galvanic cell is constructed that…

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

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 120AE

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A galvanic cell is based on the following half-reactions: In this cell, the copper compartment contains a copper electrode and [Cu2+] = 1.00 M, and the vanadium compartment contains a vanadium electrode and V2+ at an unknown concentration. The compartment containing the vanadium (1.00 L of solution) was titrated with 0.0800 M H2EDTA2, resulting in the reaction H2EDTA2(aq)+V2+(aq)VEDTA2(aq)+2H+(aq)K=? The potential of the cell was monitored to determine the stoichiometric point for the process, which occurred at a volume of 500.0 mL H2EDTA2 solution added. At the stoichiometric point, was observed to be 1 .98 V. The solution was buffered at a pH of 10.00. a. Calculate before the titration was carried out. b. Calculate the value of the equilibrium constant, K, for the titration reaction. c. Calculate at the halfway point in the titration.
Calculate the cell potential of a cell operating with the following reaction at 25C, in which [MnO4] = 0.010 M, [Br] = 0.010 M. [Mn2] = 0.15 M, and [H] = 1.0 M. 2MNO4(aq)+10Br(aq)+16H+(aq)2MN2(aq)+5Br2(l)+8H2O(l)
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An electrode is prepared from liquid mercury in contact with a saturated solution of mercury(I) chloride, Hg2Cl, containing 1.00 M Cl . The cell potential of the voltaic cell constructed by connecting this electrode as the cathode to the standard hydrogen half-cell as the anode is 0.268 V. What is the solubility product of mercury(I) chloride?
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A galvanic cell is constructed that carries out the reaction Pb?* (aq) + 2 Cr²* (aq) → Pb(s) + 2 Cr³+* (aq) If the initial concentration of Pb²*(aq) is 0.15 M, that of Cr* (aq) is 0.20 M, and that of Cr³*(aq) is 0.0030 M, calculate the initial voltage generated by the cell at 25°C.

A galvanic cell is constructed that carries out the reaction Pb?* (aq) + 2 Cr²* (aq) → Pb(s) + 2 Cr³+* (aq) If the initial concentration of Pb²(aq) is 0.15 M, that of Cr (aq) is 0.20 M, and that of Cr³*(aq) is 0.0030 M, calculate the initial voltage generated by the cell at 25°C.