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A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCl(s) + e → Ag(s) + Cl-(aq) E°red = 0.2223 V And a copper electrode with 0.500 M Cu²+ as the second half cell Cu2+(aq) + 2 e- → Cu(s) E°red= 0.337 V The measured cell potential when the water sample was placed into the %3D silver side of the cell was 0.0761 V. Given the standard cell potential for this cell is 0.115 V, what is the value of the standard free energy (in kJ) for this reaction?

A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCl(s) + e → Ag(s) + Cl-(aq) E°red = 0.2223 V And a copper electrode with 0.500 M Cu²+ as the second half cell Cu2+(aq) + 2 e- → Cu(s) E°red= 0.337 V The measured cell potential when the water sample was placed into the %3D silver side of the cell was 0.0761 V. Given the standard cell potential for this cell is 0.115 V, what is the value of the standard free energy (in kJ) for this reaction?

Chemistry
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 student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCl(s) + e- → Ag(s) + Cl-(aq) E°red = 0.2223 V And a copper electrode with 0.500 M Cu²+ as the second half cell Cu²+(aq) + 2 e- → Cu(s) E°red= 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was O.0761 V. Given the standard cell potential for this cell is 0.115 V, what is the value of the standard free energy (in kJ) for this reaction?
Transcribed Image Text:A student wishes to determine the chloride ion concentration in a water sample at 25 °C using a galvanic cell constructed with a graphite electrode and a half-cell of AgCl(s) + e- → Ag(s) + Cl-(aq) E°red = 0.2223 V And a copper electrode with 0.500 M Cu²+ as the second half cell Cu²+(aq) + 2 e- → Cu(s) E°red= 0.337 V The measured cell potential when the water sample was placed into the silver side of the cell was O.0761 V. Given the standard cell potential for this cell is 0.115 V, what is the value of the standard free energy (in kJ) for this reaction?
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