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64. An electrochemical cell consists of a chromium electrode in 1.0 mol/L solution of Cr(NO3)3 (chromium nitrate), a silver electrode in 1.0 mol/L solution of AgNO3 (silver nitrate) and a salt bridge. The spontaneous cell reaction is + 3Ag* (28) Cr(s) + (aq) + 3Ag (3) When the two electrodes are connected by a wire, which of the following does not take place? a. the silver electrode increases in mass as the cell operates b. negative ions pass through the salt bridge from the silver half-cell to the chromium half- cell some positive chromium ions pass through the salt bridge from the chromium half-cell to the silver half-cell → Cr³+ C. d. the chromium electrode decreases in mass as the cell operates e. electrons flow in the external circuit from the silver electrode to the chromium electrode

64. An electrochemical cell consists of a chromium electrode in 1.0 mol/L solution of Cr(NO3)3 (chromium nitrate), a silver electrode in 1.0 mol/L solution of AgNO3 (silver nitrate) and a salt bridge. The spontaneous cell reaction is + 3Ag* (28) Cr(s) + (aq) + 3Ag (3) When the two electrodes are connected by a wire, which of the following does not take place? a. the silver electrode increases in mass as the cell operates b. negative ions pass through the salt bridge from the silver half-cell to the chromium half- cell some positive chromium ions pass through the salt bridge from the chromium half-cell to the silver half-cell → Cr³+ C. d. the chromium electrode decreases in mass as the cell operates e. electrons flow in the external circuit from the silver electrode to the chromium electrode

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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64. An electrochemical cell consists of a chromium electrode in 1.0 mol/L solution of Cr(NO3)3 (chromium nitrate), a silver electrode in 1.0 mol/L solution of AgNO3 (silver nitrate) and a salt bridge. The spontaneous cell reaction is Cr(s) + 3Ag* (29) (aq) + 3Ag(s) When the two electrodes are connected by a wire, which of the following does not take place? the silver electrode increases in mass as the cell operates a. b. negative ions pass through the salt bridge from the silver half-cell to the chromium half- cell some positive chromium ions pass through the salt bridge from the chromium half-cell to the silver half-cell d. the chromium electrode decreases in mass as the cell operates e. electrons flow in the external circuit from the silver electrode to the chromium electrode C.
Transcribed Image Text:64. An electrochemical cell consists of a chromium electrode in 1.0 mol/L solution of Cr(NO3)3 (chromium nitrate), a silver electrode in 1.0 mol/L solution of AgNO3 (silver nitrate) and a salt bridge. The spontaneous cell reaction is Cr(s) + 3Ag* (29) (aq) + 3Ag(s) When the two electrodes are connected by a wire, which of the following does not take place? the silver electrode increases in mass as the cell operates a. b. negative ions pass through the salt bridge from the silver half-cell to the chromium half- cell some positive chromium ions pass through the salt bridge from the chromium half-cell to the silver half-cell d. the chromium electrode decreases in mass as the cell operates e. electrons flow in the external circuit from the silver electrode to the chromium electrode C.
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