Use the References to access important values if needed for this question. A standard galvanic cell is constructed in which a Co²+ | Co half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) |Co is oxidized at the cathode. As the cell runs, anions will migrate from the Co*|Co compartment to the other compartment. V Co2+ is reduced at the cathode. The anode reaction could be Al -> Al³* + 3e OThe anode compartment could be F2|F".

Use the References to access important values if needed for this question. A standard galvanic cell is constructed in which a Co²+ | Co half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) |Co is oxidized at the cathode. As the cell runs, anions will migrate from the Co|Co compartment to the other compartment. V Co2+ is reduced at the cathode. The anode reaction could be Al -> Al³ + 3e OThe anode compartment could be F2|F".

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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A standard galvanic cell is constructed with Ni2+ | Ni and Zn2+ | Zn half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The cathode compartment is the Zn2+|Zn compartment. As the cell runs, anions will migrate from the Zn2+|Zn compartment to the Ni2+|Ni compartment. In the external circuit, electrons flow from the Zn2+|Zn compartment to the Ni2+|Ni compartment. O Zn is oxidized at the anode. The cathode compartment is the Ni2+|Ni compartment.
A standard galvanic cell is constructed with I2|I- and Mg2+|Mg half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment is the Mg2+|Mg compartment. Mg2+ is reduced at the cathode. As the cell runs, anions will migrate from the I2|I- compartment to the Mg2+|Mg compartment. In the external circuit, electrons flow from the I2|I- compartment to the Mg2+|Mg compartment. The anode compartment is the I2|I- compartment.
Use the References to access important values if needed for this question. A standard galvanic cell is constructed in which a Ni2+ | Ni half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The cathode reaction is Ni²+ + 2e¯ -> Ni In the external circuit, electrons flow from the other compartment to the Ni2+ | Ni compartment. The cathode reaction is Ni -> Ni²+ + 2e- O Ni²+ is reduced at the cathode. The anode compartment could be Fe³+ | Fe²+.
A standard galvanic cell is constructed with Br2 Br¯ and Zn-*|Zn half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Br is oxidized at the anode. U The anode compartment is the Br2|Br¯ compartment. As the cell runs, anions will migrate from the Zn²"|Zn compartment to the Br2 Br¯ compartment. In the external circuit, electrons flow from the Zn²"|Zn compartment to the Br Br¯ compartment. 2+ U The cathode compartment is the Br2 Br¯ compartment.
A standard galvanic cell is constructed with Sn2+|Sn and Mg2+|Mg half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) In the external circuit, electrons flow from the Mg2+|Mg compartment to the Sn2+|Sn compartment. As the cell runs, anions will migrate from the Mg2+|Mg compartment to the Sn2+|Sn compartment. The anode compartment is the Mg2+|Mg compartment. The cathode compartment is the Mg2+|Mg compartment. Mg2+ is reduced at the cathode.
Consider a voltaic cell comprised of Zn/Zn2+ at one electrode and Fe2*/Fe3+ at the other electrode at standard conditions. Electrons will flow from the [ Select ] , which is the [ Select ] , and the cations in the salt bridge will flow towards the [Select ] . You may find a list of standard reduction potentials useful.
0 A certain half-reaction has a standard reduction potential E 'red must provide at least 0.70 V of electrical power. The cell will operate under standard conditions. Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell. Is there a minimum standard reduction potential that the half-reaction used at the cathode of this cell can have? If so, check the "yes" box and calculate the minimum. Round your answer to 2 decimal places. If there is no lower limit, check the "no" box. Is there a maximum standard reduction potential that the half-reaction used at the cathode of this cell can have? If so, check the "yes" box and calculate the maximum. Round your answer to 2 decimal places. If there is no upper limit, check the "no" box. By using the information in the ALEKS Data tab, write a balanced equation describing a half reaction that could be used at the cathode of this cell. Note: write the half reaction as it would actually occur at…
Refer to the galvanic cell below (the contents of each half-cell are written beneath each compartment): V Pt 0.10 M MnO4 0.40 М Cr3+ 0.20 M Mn2+ 0.30 M Cr,0,2- 0.010 M H* 0.010 MH* The standard reduction potentials are as follows: MnO, + 8H* + 5e → Mn2+ + 4H,O, ɛ° = 1.51 V Cr,0,2- + 14H* + 6e 2Cr** + 7H2O, ɛ° = 1.33 V When current is allowed to flow, which species is oxidized? O Cr,0,²- Cr³+ MnO4 Mn2+ O H*
A standard galvanic cell is constructed in which a Pb2+ | Pb half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment could be I2|I-. The cathode reaction is Pb2+ + 2e- -> Pb Pb is oxidized at the cathode. Pb2+ is reduced at the cathode. In the external circuit, electrons flow from the other compartment to the Pb2+|Pb compartment.
Consider the cell described below. Al | Al³+ (1.00 M) || Pb²+ (1.00 M) | Pb Calculate the cell potential after the reaction has operated long enough for the [A13+] to have changed by 0.46 mol/L. (Assume T= 25°C.) V Need Help? Read It Supporting Materials Periodic Table Watch It Constants & Factors Supplemental Data
A standard galvanic cell is constructed in which a Ni?* | Ni half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) O Ni is oxidized at the cathode. Ni2+ is reduced at the cathode. The anode reaction could be Fe -> Fe2+ + 2e The anode compartment could be I2|I". As the cell runs, anions will migrate from the Ni²"|Ni compartment to the other compartment.
A standard galvanic cell is constructed with Sn²+ | Sn and Al³+ | Al half cell compartments connected by a salt bridge. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The cathode compartment is the Sn²+ | Sn compartment. In the external circuit, electrons flow from the Sn²+ | Sn compartment to the Al³+ | Al compartment. As the cell runs, anions will migrate from the Sn²+ | Sn compartment to the A1³+ | Al 2+ compartment. Sn²+ is reduced at the cathode. The anode compartment is the Sn²+ | Sn compartment.