a Calculate E° for the following cell: Hg | Hg22+ || Pb4", Pb2+ | Pt You may need to use the following data: Half-cell reaction E°red (V) 2+ Hg2-"(aq) + 2e → 2Hg(/) 0.796 Pb4*(aq) + 2e → Pb2*(aq) 1.690 V b Calculate E° for the following cell: Zn | Zn2+ || Pb²* || Pb You may need to use the following data: Half-cell reaction E°red (V) 2+ Zn-"(aq) + 2e → Zn(s) -0.762 Pb-*(aq) + 2e → Pb(s) -0.127 V c Calculate E° for the following cell: Pt | Fe2", Fe3+ || MnO4 , Mn²+ | Pt You may need to use the following data: Half-cell reaction E°red (V) Fe3 (aq) + e → Fe2*(aq) MnO4 (aq) + 8H"(aq) + 5e Mn2"(aq) + 4H2O 0.769 1.512

a Calculate E° for the following cell: Hg | Hg22+ || Pb4", Pb2+ | Pt You may need to use the following data: Half-cell reaction E°red (V) 2+ Hg2-"(aq) + 2e → 2Hg(/) 0.796 Pb4(aq) + 2e → Pb2(aq) 1.690 V b Calculate E° for the following cell: Zn | Zn2+ || Pb²* || Pb You may need to use the following data: Half-cell reaction E°red (V) 2+ Zn-"(aq) + 2e → Zn(s) -0.762 Pb-(aq) + 2e → Pb(s) -0.127 V c Calculate E° for the following cell: Pt | Fe2", Fe3+ || MnO4 , Mn²+ | Pt You may need to use the following data: Half-cell reaction E°red (V) Fe3 (aq) + e → Fe2(aq) MnO4 (aq) + 8H"(aq) + 5e Mn2"(aq) + 4H2O 0.769 1.512

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

A voltaic cell using Pb²⁺/Pb and Ni²⁺/Ni half-cells is set up at standard conditions, and each compartment has a volume of 355 mL. What is the cell potential, in V, after it has delivered 0.150 A for 51.0 hours at 25 °C? (E° for Pb²⁺/Pb = -0.130 V and E° for Ni²⁺/Ni = -0.250 V.)
7-A fuel cell uses the following reduction half-reactions. O2(g) + 2H20(1) + 4e- 40H- (ag) E° = 0.401 V CO3-(aq) + 7H2O(1) + 8e– → CH«(g) + 100H-(ag) E° = 0.110 V Ja) What is the maximum cell voltage that can be generated (b) What is the overall cell reaction that occurs?
A voltaic cell prepared using aluminum and nickel has the following cell notation. Al(s) | AI3+(aq) || Ni2*(aq) | Ni(s) Which of the following reactions occurs at the cathode? Al(s) Al3*(ag) + 3e- O Ni2*(aq) + 2e- Ni(s) Al3+(aq) + 3e Al(s) > Ni(s) Ni2*(aq) + 2e
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
3.) Consider the following standard reduction potentials, which statement is correct at standard conditions? Ni?* (aq) + 2 e → Ni (s) E°red = -0.26 V I2 (s) + 2 e -> 2 (aq) E°red = 0.54 V I. Ni²* (aq) is a stronger oxidizing agent than I2 (s), and I is a stronger reducing agent than Ni (s) II. I2 (s) is a stronger oxidizing agent than Ni2", and Ni (s) is a stronger reducing agent than I (aq) III. Ni (s) is a stronger oxidizing agent than I (aq), and Ni2* is a stronger reducing agent than I2 (s) IV. I(aq) is a stronger oxidizing agent than Ni (s), and I2 (s) is a stronger reducing agent than Ni2+ (aq) А. IV В. Ш С. П D. I
Predict reaction and calculate E°cell from standard reduction potentials. A voltaic cell is constructed from a standard AI3+|Al half cell (E°red = -1.660V) and a standard F2|F° half cell (E°red = 2.870V). What is the spontaneous reaction that takes place, and what is the standard cell potential? Spontaneous cell reaction:Write a balanced equation using the smallest integer coefficients possible. + Standard cell potential: V.
5. What is voltage of the following cell? Sn(s) | Sn(NO3)2 (0.100 M) || AgNO3(0.020 M) | Ag(s)
Which statement is correct for the cell with a notation Pt /Cl2(g)/Cl¯(aq) // Zn+2(aq)/Zn ? Cl2 + 2e- --> 2Cl¯ E°=1.360 V Zn+2 + 2e- --> Zn E°= - 0.760 V choose: This is an electrolytic cell. The anode of this cell is negative and the cathode is positive. Work is being done by the cell. This is a voltaic or galvanic cell.
Please help with multiple choice question
Please complete the rollowing lab by answering questions 1-7. Draw your compounds clearly and indicate stereochemistry where appropriate. Feel free to consult others for help, including your instructor. 1.) For the following dienes, identify whether the molecules has any cis or trans stereochemistry and idenfity the conformation as either s-cis or s-trans, where appropriate. Please also note whether the compound would be reactive in a Diels-Alder reaction. H3C H3C. CH3 CH3 CH3 Br H3C Br 3)For the followng please draw osonco contrbutors 2.) en cile ntribut abybnd resonance id a.) Devise a retrosynthetic analysis for the synthesis of the molecule shown below. Be sure to draw all starting materials and conditions. CH3 CH3 1
A voltaic cell is constructed with two silver electrodes, where the half-reaction isAg2+(aq) + 2e- → Ag (s) E° = -0.322 VDetermine the cell emf at 25 °C when the concentrations of chloride ion in the two compartments are 4.0 Mand 0.050 M, respectively.
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