1. Given the voltaic cell shown below fill in all the blanks, a. Give the reduction and oxidation half reactions as they occur in the cell. Put an arrow in the blanks to show the direction of the movement of the cations and anions in the salt bridge. Draw an arrow to show the direction of electron movement in the wire as it passes through the voltmeter. (12 points) Given: Ni* + 2eNi (s) -0.28 eV Cd* + 2e - Cd (s) -0.40 eV Reduction reaction Oxidation reaction electron movement Salt Bridge anions cations CdSO. NISO4 (put anode/cathode labels here) b. What is the overall reaction for the electrochemical cell? (Include the phase of each component.) c. What is the potential of the cell under standard conditions? E° = d. Give the cell notation or cell diagram for the cell above. e. Which electrode is gaining mass? f. Explain the reason for the movement of cations and anions in the cell.

1. Given the voltaic cell shown below fill in all the blanks, a. Give the reduction and oxidation half reactions as they occur in the cell. Put an arrow in the blanks to show the direction of the movement of the cations and anions in the salt bridge. Draw an arrow to show the direction of electron movement in the wire as it passes through the voltmeter. (12 points) Given: Ni* + 2eNi (s) -0.28 eV Cd* + 2e - Cd (s) -0.40 eV Reduction reaction Oxidation reaction electron movement Salt Bridge anions cations CdSO. NISO4 (put anode/cathode labels here) b. What is the overall reaction for the electrochemical cell? (Include the phase of each component.) c. What is the potential of the cell under standard conditions? E° = d. Give the cell notation or cell diagram for the cell above. e. Which electrode is gaining mass? f. Explain the reason for the movement of cations and anions in the cell.

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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eduction and Oxidation of Metals O 1 magnesium Mg(NO3)2(aq) 15. 16. Use the following voltaic cell to answer questions 15 to 18. 17. voltmeter salt bridge KNO3 The reduction half-reaction for the cell is A. Ag+(aq) + e- → Ag(s) B. Ag(s)→ Ag+(aq) + e C. Mg(s)→ Mg2+ (aq) + 2e- D. Mg2+ (aq) + 2e- → Mg(s) The oxidation half-reaction for the cell is A. Ag+(aq) + e → Ag(s) B. Ag(s)→ Ag+(aq) + e C. Mg(s)→ Mg2+ (aq) + 2e- D. Mg2+(aq) + 2e → Mg(s) The oxidation half-reaction occurs at ADLC Assignment Booklet A2 A. the anode B. the cathode C. the anode and the cathode D. neither the anode nor the cathode silver AgNO3(aq)
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