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BALANCING REDOX REACTIONS, VOLTAIC CELL AND ELECTROLYSIS 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M Ni(NO3)2 as the anolyte and 0.25 M Pb(NO3)2 as the catholyte. Ni²+ (aq) + 2e → Ni(s), Eºred = -0.25 V Pb2+ (aq) + 2e → Pb(s), Eºred = -0.13 V A. Write the balanced reaction occurring in the voltaic cell. Write your answers in your solution sheet. B. Compute the standard cell potential, Eºcell- C. Calculate the cell potential at 28 °C, Ecell- D. If the concentration of Pb(NO3)2 solution used was increased, what will be the effect on the measured potential? (increase, decrease, no effect)

BALANCING REDOX REACTIONS, VOLTAIC CELL AND ELECTROLYSIS 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M Ni(NO3)2 as the anolyte and 0.25 M Pb(NO3)2 as the catholyte. Ni²+ (aq) + 2e → Ni(s), Eºred = -0.25 V Pb2+ (aq) + 2e → Pb(s), Eºred = -0.13 V A. Write the balanced reaction occurring in the voltaic cell. Write your answers in your solution sheet. B. Compute the standard cell potential, Eºcell- C. Calculate the cell potential at 28 °C, Ecell- D. If the concentration of Pb(NO3)2 solution used was increased, what will be the effect on the measured potential? (increase, decrease, no effect)

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter17: Electrochemistry And Its Applications
Section: Chapter Questions
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BALANCING REDOX REACTIONS, VOLTAIC CELL AND ELECTROLYSIS 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M Ni(NO3)2 as the anolyte and 0.25 M Pb(NO3)2 as the catholyte. Ni²+ (aq) + 2e → Ni(s), Eºred = -0.25 V Pb2+ (aq) + 2e → Pb(s), Eºred = -0.13 V A. Write the balanced reaction occurring in the voltaic cell. Write your answers in your solution sheet. B. Compute the standard cell potential, Eºcell- C. Calculate the cell potential at 28 °C, Ecell. D. If the concentration of Pb(NO3)2 solution used was increased, what will be the effect on the measured potential? (increase, decrease, no effect)
Transcribed Image Text:BALANCING REDOX REACTIONS, VOLTAIC CELL AND ELECTROLYSIS 1. A student constructed a voltaic cell using nickel and lead as electrodes. He also used 0.50 M Ni(NO3)2 as the anolyte and 0.25 M Pb(NO3)2 as the catholyte. Ni²+ (aq) + 2e → Ni(s), Eºred = -0.25 V Pb2+ (aq) + 2e → Pb(s), Eºred = -0.13 V A. Write the balanced reaction occurring in the voltaic cell. Write your answers in your solution sheet. B. Compute the standard cell potential, Eºcell- C. Calculate the cell potential at 28 °C, Ecell. D. If the concentration of Pb(NO3)2 solution used was increased, what will be the effect on the measured potential? (increase, decrease, no effect)
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