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irons flow from cathode to anode 21 Which of the following represents A G* of a Galvanic cell when all concentrations in the half-cell solutions (a) A G = nFE (b) A G* = -nFE (c) A G = nFE (d) A G = -nFEⓇ are 1.0 M? 22. The EMF of a galvanic cell dependo

irons flow from cathode to anode 21 Which of the following represents A G* of a Galvanic cell when all concentrations in the half-cell solutions (a) A G = nFE (b) A G* = -nFE (c) A G = nFE (d) A G = -nFEⓇ are 1.0 M? 22. The EMF of a galvanic cell dependo

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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**Educational Transcription of Image Content** --- **Questions on Electrochemistry: Galvanic Cells** **21.** Which of the following represents ΔG° for a Galvanic cell when all concentrations in the half-cell solutions are 1.0 M? - (a) ΔG° = nFE - (b) ΔG° = -nFE - (c) ΔG° = nFE° - (d) ΔG° = -nFE° **22.** The EMF (Electromotive Force) of a galvanic cell depends on all of the following except: - (a) the temperature of the solutions in the half cells - (b) the concentrations of the solutions in the half cells - (c) the reactions in the solutions in the half cells - (d) the length of the wire connecting the half cells --- **Explanation of Concepts** - **ΔG° (Gibbs Free Energy Change)**: This indicates the spontaneity of the cell reaction. A negative value of ΔG° suggests a spontaneous reaction under standard conditions. - **EMF of a Galvanic Cell**: This is the voltage or potential difference between two electrodes. It is influenced by factors such as temperature, concentration, and nature of reactions but not by the physical properties like the wire length connecting the cells. **Note**: The content above includes conceptual questions typical in the study of galvanic cells, helping learners understand the relationship between Gibbs Free Energy and Electromotive Force, as well as factors affecting a galvanic cell's functionality.
Transcribed Image Text:**Educational Transcription of Image Content** --- **Questions on Electrochemistry: Galvanic Cells** **21.** Which of the following represents ΔG° for a Galvanic cell when all concentrations in the half-cell solutions are 1.0 M? - (a) ΔG° = nFE - (b) ΔG° = -nFE - (c) ΔG° = nFE° - (d) ΔG° = -nFE° **22.** The EMF (Electromotive Force) of a galvanic cell depends on all of the following except: - (a) the temperature of the solutions in the half cells - (b) the concentrations of the solutions in the half cells - (c) the reactions in the solutions in the half cells - (d) the length of the wire connecting the half cells --- **Explanation of Concepts** - **ΔG° (Gibbs Free Energy Change)**: This indicates the spontaneity of the cell reaction. A negative value of ΔG° suggests a spontaneous reaction under standard conditions. - **EMF of a Galvanic Cell**: This is the voltage or potential difference between two electrodes. It is influenced by factors such as temperature, concentration, and nature of reactions but not by the physical properties like the wire length connecting the cells. **Note**: The content above includes conceptual questions typical in the study of galvanic cells, helping learners understand the relationship between Gibbs Free Energy and Electromotive Force, as well as factors affecting a galvanic cell's functionality.
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