Consider the galvanic cell based on the following half-reactions: Zn?+ + 2e → Zn e° = -0.76 V Cd2+ + 2e- → Cd e° = -0.40 V a. Determine the overall cell reaction and calculate e: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + cell b. Calculate AG° and K for the cell reaction at 25°C. AG° = kJ K = [za**] c. Calculate ɛ cell at 25°C when = 0.10 M and = 3.0 x 10-5 M. Ecell =

Consider the galvanic cell based on the following half-reactions: Zn?+ + 2e → Zn e° = -0.76 V Cd2+ + 2e- → Cd e° = -0.40 V a. Determine the overall cell reaction and calculate e: (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (s). If a box is not needed, leave it blank.) + cell b. Calculate AG° and K for the cell reaction at 25°C. AG° = kJ K = [za**] c. Calculate ɛ cell at 25°C when = 0.10 M and = 3.0 x 10-5 M. Ecell =

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...

See similar textbooks

Similar questions

What is the cell notation for the voltaic cell shown below? KD,- Zn²¹ NO, Zo NC₂" NO,- Voltmeter K' Zn2+ ここ So, ² Cu²+ Zn(s) | Zn2+(aq) || Cu2+(aq) | Cu(s) O Zn(s) | Zn2+(aq) || Cu(s) | Cu2+(aq) O Zn2+(aq) | Zn(s) || Cu2+(aq) | Cu(s) O Zn(s) | Cu(s) || Zn2+(aq) | Cu2+(aq) Cu L'u't SC,
A voltaic cell is constructed from a standard Mn2+|Mn half cell (E° red = -1.180V) and a standard Ag+|Ag half cell (E° red = 0.799V). (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 spontaneous cell reaction is: + + The cell voltage is ___ V.
[References] Consider the galvanic cell based on the following half-reactions: Zn2+ + 2e Zn e =-0.76 V Fet + 2e+ Fe e = -0.44 V a. Determine the overall cell reaction and calculate e (Use the lowest possible coefficients. Be sure to specify states such as (ag) or (s). If a box is not needed, leave it blank.) E ell b. Calculate AG° and K for the cell reaction at 25°C. AG 6 69x10 10 k] K = C. Calculate Ecelt at 25°C when Zn-= 0.10 M and Fe²| = 8.0 × 10-0 M . Ecell =0 199
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.
Consider the galvanic cell based on the following half-reactions: Zn+ + 2e + Zn e° = -0.76 V Cd²+ + 2e → Cd e° = -0.40 V a. Determine the overall cell reaction and calculate e (Use the lowest possible coefficients. Be sure to specify states such as (aq) or (5). If a box is not needed, leave it blank.) b. Calculate AG° and K for the cell reaction at 25°C. AG kJ K = [Zn**] = 0.10 M and [Ca] = c. Calculate e cell at 25°C when Zn 1.2 x 10-5 M. Ecell =
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? ↑
2+ 2+ A voltaic cell is constructed from a standard Sn²+ Sn half cell (E° red = -0.140V) and a standard Fe³+ Fe²+ half cell (E° red = 0.771V). (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 spontaneous cell reaction is: + The cell voltage is V. ↑ 1 ↑ + + +
Consider the following voltaic cellat 25°C: Al(s) | Al3*(0.20 M, aq) || Al3+(0.75 M, aq) | Al(s) If the standard reduction potential for the Al3+(aq) /Al(s) redox couple is -1.66 V, what is the overall cell reaction and the cell potential of the voltaic cell shown above? (Reference the cell as written above.) The overall cell reaction is Al3+(0.75 M, aq) AIS*(0.20 M, ag) and E°cell = +0.0113 V. There is no overall cell reaction and E°cell = 0.00 V. The overall cell reaction is Al3+(0.20 M, aq) Als*(0.75 M, aq) and E°cell = +0.0113 V. The overall cell reaction is Al3+(0.20 M, aq) →A13+(0.75 M, ag) and E°cell| = -0.0113 V. The overall cell reaction is Al3*(0.75 M, aq) →AI3*(0.20 M, aq) and E°cell = -0.0113 V. None of these
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
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