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33f. Cu(s) can be used as the electrode in the Cr2O72-/Cr3+ half-cell. T F 33g. The Zn(s) electrode should react with water. т F 33h. Cl2 is a stronger oxidizing agent than Cr20,2-. T F Magnesium, Mg, is a more reactive metal than Zn. Substituting the Mg2+/Mg half-cell for the Zn2+/Zn half-cell will result in a battery that produces a smaller voltage. 33і. т F

33f. Cu(s) can be used as the electrode in the Cr2O72-/Cr3+ half-cell. T F 33g. The Zn(s) electrode should react with water. т F 33h. Cl2 is a stronger oxidizing agent than Cr20,2-. T F Magnesium, Mg, is a more reactive metal than Zn. Substituting the Mg2+/Mg half-cell for the Zn2+/Zn half-cell will result in a battery that produces a smaller voltage. 33і. т F

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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please only answer questions 33f-33i

33. The legendary Captain Nemo - made famous by the French author Jules Verne in his book 20000 Leagues Under The Sea – may have powered his submarine, the Nautilus, using a battery made up of the Zn2+/Zn and the Cr20,2-/Cr3+ half-cells. The relevant half-reactions are shown in bold: Au3+(aq) + 3e Au(s) +1.50 V Cl2(g) + 2e 2C11-(aq) +1.36 V Cro,?-(aq) + 14 H1*(аq) + 6е 2 Cr3+(aq) + 7 H2O(e) +1.23 V Cu2+(aq) + 2e Cu(s) +0.34 V 2H20(l) + 2e Н2(g) + 20H1- (aд) 0.00 V Zn2+(aq) + 2e Zn(s) -0.76 V = Na1+(aq) + 1e Na(s) -2.71 V 33а. Electrons flow from the Cr20,2-/Cr3+ half-cell to the Zn2+/Zn half-cell. T F 33b. The reducing agent is Zn(s) and the oxidizing agent is Cr20,2-(aq). T F 33c. The Zn2+/Zn half-cell is the cathode. T F 33d. Cations move through the salt bridge toward the Zn2+/Zn half-cell. T F 33e. This battery will produce close to 1.72 volts of electrical energy. T F 33f. Cu(s) can be used as the electrode in the Cr20,2-/Cr3+ half-cell. T F 33g. Zn(s) electrode should with water. F 33h. Cl2 is a stronger oxidizing agent than Cr20,7-. T F 33i. Magnesium, Mg, is a more reactive metal than Zn. Substituting the Mg2+/Mg half-cell for the Zn2+/Zn half-cell will result in a battery that produces a smaller voltage. T F
Transcribed Image Text:33. The legendary Captain Nemo - made famous by the French author Jules Verne in his book 20000 Leagues Under The Sea – may have powered his submarine, the Nautilus, using a battery made up of the Zn2+/Zn and the Cr20,2-/Cr3+ half-cells. The relevant half-reactions are shown in bold: Au3+(aq) + 3e Au(s) +1.50 V Cl2(g) + 2e 2C11-(aq) +1.36 V Cro,?-(aq) + 14 H1*(аq) + 6е 2 Cr3+(aq) + 7 H2O(e) +1.23 V Cu2+(aq) + 2e Cu(s) +0.34 V 2H20(l) + 2e Н2(g) + 20H1- (aд) 0.00 V Zn2+(aq) + 2e Zn(s) -0.76 V = Na1+(aq) + 1e Na(s) -2.71 V 33а. Electrons flow from the Cr20,2-/Cr3+ half-cell to the Zn2+/Zn half-cell. T F 33b. The reducing agent is Zn(s) and the oxidizing agent is Cr20,2-(aq). T F 33c. The Zn2+/Zn half-cell is the cathode. T F 33d. Cations move through the salt bridge toward the Zn2+/Zn half-cell. T F 33e. This battery will produce close to 1.72 volts of electrical energy. T F 33f. Cu(s) can be used as the electrode in the Cr20,2-/Cr3+ half-cell. T F 33g. Zn(s) electrode should with water. F 33h. Cl2 is a stronger oxidizing agent than Cr20,7-. T F 33i. Magnesium, Mg, is a more reactive metal than Zn. Substituting the Mg2+/Mg half-cell for the Zn2+/Zn half-cell will result in a battery that produces a smaller voltage. T F
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