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23. Which of the following statements regarding galvanic cells is false? The anode is the electrode where oxidation occurs. a. b. The cathode will gain mass when the electrode itself is part of the chemical reaction. Anions in the salt bridge flow toward the cathode. C. d. The wire allows for the transfer of electrons between both half-cells. e. Galvanic cells convert chemical energy into electrical work via spontaneous reactions. 24. What is the value of Ell in volts, for the galvanic cell constructed using the following half-cells? s,o (aq) +2e=25,0 (ng) Fred +0.080 V 10, (aq) + 6H(aq) + 6er(aq) + 3H₂O(/) Ered=+1.085 V b. -0.845 c. 1.005 d. 0.845 e. -1.005 a. 0.087 25. The reaction of a copper penny with nitric acid can be represented by the equation 3Cu(s) + 2NO3(aq) + SH(aq) 3Cu(aq) + 2NO(g) + 4H₂O(/), which has AG = -351.4 kJ/mol. What are the values of K and Ecell for this reaction at 298 K? T E

23. Which of the following statements regarding galvanic cells is false? The anode is the electrode where oxidation occurs. a. b. The cathode will gain mass when the electrode itself is part of the chemical reaction. Anions in the salt bridge flow toward the cathode. C. d. The wire allows for the transfer of electrons between both half-cells. e. Galvanic cells convert chemical energy into electrical work via spontaneous reactions. 24. What is the value of Ell in volts, for the galvanic cell constructed using the following half-cells? s,o (aq) +2e=25,0 (ng) Fred +0.080 V 10, (aq) + 6H(aq) + 6er(aq) + 3H₂O(/) Ered=+1.085 V b. -0.845 c. 1.005 d. 0.845 e. -1.005 a. 0.087 25. The reaction of a copper penny with nitric acid can be represented by the equation 3Cu(s) + 2NO3(aq) + SH(aq) 3Cu(aq) + 2NO(g) + 4H₂O(/), which has AG = -351.4 kJ/mol. What are the values of K and Ecell for this reaction at 298 K? T E

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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Question 23. Practice exam. Will post the answer, just need help with the concept so please explain. Thank you!
23. Which of the following statements regarding galvanic cells is false? The anode is the electrode where oxidation occurs. a b. c. d. e The cathode will gain mass when the electrode itself is part of the chemical reaction. Anions in the salt bridge flow toward the cathode. The wire allows for the transfer of electrons between both half-cells. Galvanic cells convert chemical energy into electrical work via spontaneous reactions. 24. What is the value of El. in volts, for the galvanic cell constructed using the following half-cells? Fred +0.080 V S,O (aq) + 2e = 25,0 (aq) 10₂(aq) + 6H(aq) + 6er(aq) + 3H₂O(7) d. 0.845 b. -0.845 c. 1.005 a. 0.087 25. The reaction of a copper penny with nitric acid can be represented by the equation 3Cu(s) + 2NO3(aq) + SH(aq) + 3Cu(aq) + 2NO(g) + 4H₂O(), which has AG = -351.4 kJ/mol. What are the values of K and Ecell for this reaction at 298 K? E cell a. 1.152x100 b. 1.152x10⁰ K 0.607 V 1.821 V 20 3.954x1061 0.607 V 1.821 V d. 3.954x101 e. None of the above are correct Ered=+1.085 V -1.005
Transcribed Image Text:23. Which of the following statements regarding galvanic cells is false? The anode is the electrode where oxidation occurs. a b. c. d. e The cathode will gain mass when the electrode itself is part of the chemical reaction. Anions in the salt bridge flow toward the cathode. The wire allows for the transfer of electrons between both half-cells. Galvanic cells convert chemical energy into electrical work via spontaneous reactions. 24. What is the value of El. in volts, for the galvanic cell constructed using the following half-cells? Fred +0.080 V S,O (aq) + 2e = 25,0 (aq) 10₂(aq) + 6H(aq) + 6er(aq) + 3H₂O(7) d. 0.845 b. -0.845 c. 1.005 a. 0.087 25. The reaction of a copper penny with nitric acid can be represented by the equation 3Cu(s) + 2NO3(aq) + SH(aq) + 3Cu(aq) + 2NO(g) + 4H₂O(), which has AG = -351.4 kJ/mol. What are the values of K and Ecell for this reaction at 298 K? E cell a. 1.152x100 b. 1.152x10⁰ K 0.607 V 1.821 V 20 3.954x1061 0.607 V 1.821 V d. 3.954x101 e. None of the above are correct Ered=+1.085 V -1.005
1. ANS: E 2. ANS: E 3. ANS: B 4. ANS: A 5. ANS: D ANS: B ANS: A ANS: E 6. 7. 8. 9. 10. 11. 12. ANS: E 13. ANS: A ANS: A ANS: A ANS: D ANS: A 18. ANS: E 19. ANS: B 20. ANS: B 14. 15. ANS: B ANS: D ANS: B 16. 17. 21. ANS: A 22. ANS: C 23. ANS: C 24. ANS: C 25. ANS: C
Transcribed Image Text:1. ANS: E 2. ANS: E 3. ANS: B 4. ANS: A 5. ANS: D ANS: B ANS: A ANS: E 6. 7. 8. 9. 10. 11. 12. ANS: E 13. ANS: A ANS: A ANS: A ANS: D ANS: A 18. ANS: E 19. ANS: B 20. ANS: B 14. 15. ANS: B ANS: D ANS: B 16. 17. 21. ANS: A 22. ANS: C 23. ANS: C 24. ANS: C 25. ANS: C
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