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 F2 F. The anode reaction could be Al -> Al3+ + 3e U The cathode reaction is Pb -> Pb2+ + 2e As the cell runs, anions will migrate from the Pb2*|Pb compartment to the other compartment. O Pb2+ is reduced at the cathode. Submit Answer Try Another Version 3 item attempts remaining

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 F2 F. The anode reaction could be Al -> Al3+ + 3e U The cathode reaction is Pb -> Pb2+ + 2e As the cell runs, anions will migrate from the Pb2*|Pb compartment to the other compartment. O Pb2+ is reduced at the cathode. Submit Answer Try Another Version 3 item attempts remaining

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.
One half-cell in a voltaic cell is constructed from a copper wire electrode in a 2.6 x 10-8 M solution of Cu(NO3)2 . The other half-cel consists of a zinc electrode in a 0.55 M solution of Zn(NO3)2 - Calculate the cell potential. You may need to use the following data: E° = -0.763 V Zn2+ (aq) + 2 e → Zn(s) Cu?+ (aq) + 2 e + Cu(s) E° =+0.337 V Potential V
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.
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.) The cathode reaction is Co2+ + 2e -> Co. Co is oxidized at the cathode. The anode compartment could be Fe³+|Fe²+. As the cell runs, anions will migrate from the Co²+ | Co compartment to the other compartment. In the external circuit, electrons flow from the Co²+ | Co compartment to the other compartment.
A voltaic cell is constructed in which the anode is a Fe|Fe2+ half cell and the cathode is a H2|H+ half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + + The cathode reaction is: + + The net cell reaction is: + + In the external circuit, electrons migrate (from or to?) the H2|H+ electrode (from or to?) the Fe|Fe2+ electrode.In the salt bridge, anions migrate (from or to?) the Fe|Fe2+ compartment (from or to?) the H2|H+ compartment.
Consider a galvanic cell with the anode containing a Zn metal electrode and a 0.10M Zn(NO3)2 solution and the other half-cell containing a Sn metal electrode and a 0.10M Sn(NO3)2 solution. If the measured Ecell value is +650mV and the Zn2+/Zn reduction potential is assumed to be -790mV, what is the Sn2+/Sn reduction potential?
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.
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.
A standard galvanic cell is constructed with Al3+|Al and I2|I¯ 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.) As the cell runs, anions will migrate from the Al3+|Al compartment to the I2|I compartment. I is oxidized at the anode. In the external circuit, electrons flow from the Al3+|Al compartment to the I2|I compartment. The cathode compartment is the I2|I" compartment. The cathode compartment is the Al3+|Al compartment.
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 galvanic cell is powered by the following redox reaction: 2 Br,(1) + N,H,(aq) + 4OH (aq) 4 Br (aq) + N,(g) + 4 H,O(1) Answer the following questions about this cell. If you need any electrochemical data, be sure you get it from the ALEKS Data tab. Write a balanced equation for the half-reaction that takes place at the cathode. ローロ e Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. E - Round your answer to 2 decimal places. の