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

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)

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

half-reaction standard reduction potential Cl,(9)+2e e¯ → 2ci^(aq) E =+1.359 V (red 0,(9)+4H"(aq)+4e¯ → 2 H,0(1) - 2 =+1.23 V red Answer the following questions about this cell. Write a balanced equation for the half-reaction that happens at the cathode. Write a balanced equation for the half-reaction that happens at the anode. Write a balanced equation for the overall reaction that powers the cell. Be sure the reaction is spontaneous as written. Do you have Yes enough information to calculate the cell voltage under standard conditions? No If you said it was possible to calculate the cell voltage, do so and enter your answe here. Round your Ov answer to2 sianificant diaits.