120. Consider the standard galvanic cell based on the following half-reactions: Cu²+ + 2e Ag* +e¯ Ag Cu hoWinar " The electrodes in this cell are Ag(s) and Cu(s). Does the cell potential increase, decrease, or remain the same when the fol- lowing changes occur to the standard cell? a. CuSOɖ(s) is added to the copper half-cell compartment (assume no volume change). b. NH;(aq) is added to the copper half-cell compartment. [Hint: Cu²+ reacts with NH3 to form Cu(NH;),²*(aq).] c. NaCl(s) is added to the silver half-cell compartment. [Hint: Ag* reacts with Cl¯ to form AgCl(s).] d. Water is added to both half-cell compartments until the volume of solution is doubled. e. The silver electrode is replaced with a platinum electrode. Pr* + 2e- Pt E° = 1.19 V %3D

120. Consider the standard galvanic cell based on the following half-reactions: Cu²+ + 2e Ag* +e¯ Ag Cu hoWinar " The electrodes in this cell are Ag(s) and Cu(s). Does the cell potential increase, decrease, or remain the same when the fol- lowing changes occur to the standard cell? a. CuSOɖ(s) is added to the copper half-cell compartment (assume no volume change). b. NH;(aq) is added to the copper half-cell compartment. [Hint: Cu²+ reacts with NH3 to form Cu(NH;),²(aq).] c. NaCl(s) is added to the silver half-cell compartment. [Hint: Ag reacts with Cl¯ to form AgCl(s).] d. Water is added to both half-cell compartments until the volume of solution is doubled. e. The silver electrode is replaced with a platinum electrode. Pr* + 2e- Pt E° = 1.19 V %3D

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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