For the following galvanic cell, represented in line notation, determine what balanced half-reactions occur at each electrode. (Use the lowest possible whole number coefficients. Include states-of matter under the given conditions in your answer.) Cd(s) | Cd2+ (aq) Ni2+(aq) | Ni(s) anode half-reaction: chemPad O Help Xx"- - Greek cathode half-reaction: chemPad O Help Xx Greek

For the following galvanic cell, represented in line notation, determine what balanced half-reactions occur at each electrode. (Use the lowest possible whole number coefficients. Include states-of matter under the given conditions in your answer.) Cd(s) | Cd2+ (aq) Ni2+(aq) | Ni(s) anode half-reaction: chemPad O Help Xx"- - Greek cathode half-reaction: chemPad O Help Xx Greek

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 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 the galvanic cell based on the following half-reactions. Ag+ + e → Ag Cd²+ + 2e →→ Cd (a) Determine the overall cell reaction and calculate º chemPad XX² cell 8° = +0.80 V 8⁰ = -0.40 V V AGO K Help Greek (b) Calculate AGº (in kJ) and K for the cell reaction at 25°C. kJ (in V). (Use the lowest possible whole number coefficients. Omit states-of-matter from your answer.) cell (c) Calculate cell (in V) at 25°C when [Ag+ ] = V 1.0×10-4 M and [Cd²+] = 1.0×10-² M.
A voltaic cell is constructed in which the anode is a Cr | Cr³+ half cell and the cathode is a Cu| Cu²+ 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: J - Enter electrons as e. - In the external circuit, electrons migrate In the salt bridge, anions migrate ( the Cu Cu2+ electrode | the Cr| Cr³+ compartment [ the Cr| Cr³+ electrode. the Cul Cu2+ compartment.
A voltaic cell is constructed in which the anode is a Hg|Hg2+ half cell and the cathode is a F-|F2 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 the Hg|Hg2+ electrode the F-|F2 electrode.In the salt bridge, anions migrate the Hg|Hg2+ compartment the F-|F2 compartment.
Enter electrons as e". A voltaic cell is constructed in which the anode is a Co|Co2+ half cell and the cathode is a Sn|Sn2+ 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 e the Sn|Sn2+ electrode e the Co|Co2+ electrode. from or to ? from or to? In the salt bridge, anions migrate e the Co|Co2+ compartment e the Sn|Sn2+ compartment. from or to? from or to? ↑
Write the half-reactions as they occur at each electrode and the net cell reaction for this electrochemical cell containing indium and cadmium. In(s)||In3+(aq)‖‖Cd2+(aq)||Cd(s)In(s)⁢|In3+⁢(aq)‖Cd2+⁢(aq)|Cd(s) anode: cathode: net cell reaction:
A voltaic cell is constructed in which the anode is a Al|Al3+ 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 the H2|H+ electrode the Al|Al3+ electrode.In the salt bridge, anions migrate the Al|Al3+ compartment the H2|H+ compartment. Submit Answer Retry Entire Group 1 more group attempt remaining
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A lithium battery is being developed. Its voltaic cell is constructed based on Li metal electrode and PbsO4 solid electrode. Their standard reduction potentials at 25 °C are given below. E°(Li* (aq) → Li (s)) = -3.040 Volt E°(PbSO4 (S) > Pb (s) + SO42 (aq) = - 0.356 Volt. Which of the following statements is true about this working (spontaneous) voltaic cell? a. The anode is PbsO4 (s) electrode. The standard cell potential of this voltaic cell is E°(cell) = 2.328 Volt O. PBSO4 (s) is a weaker oxidizing agent than Lit. To make a commercial product, the voltaic cell is adjusted to have [Lit] = 2.1 M and [SO42] = 3.5 M. The cell d. potential E under this condition should be less than the standard cell potential E°(cell). e. None of the above