A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Fe*(aq)+ e Fe2* *(aq) E°. = +0.771 V red 2 10, (aq)+12 H* (aq)+ 10e I,(s)+6H,0(1) E°.=+1.195 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 enough information to calculate the cell voltage under standard conditions? O Yes O No If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your Ov answer to 3 significant digits.

20. A galvanic cell is constructed at 25°C as indicated in the shorthand cell notation: Determine the Eºcell, AG° and Kc. Eºcell = AGO = Au(s) | 1.0 M Au³+ (aq) || 1.0 M Au³+ (aq) | Au(s) Kc = ကိုယ် E° = +1.50 V cat-an

Calculate the cell potential for the galvanic cell in which the given reaction occurs at 25 °C, given that [Sn**] = 0.0666 M, [Fe*1 = 0.0301 M, [Sn*+] = 0.00345 M, and [Fe2+] = 0.01092 M. Standard reduction potentials can be found in this table. Sn²*(aq) + 2 Fe* (aq) = Sn*(aq) + 2 Fe²+*(aq) E = V

A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Cro (aq)+4 H₂O(+3e" ->>> Cr(OH)3(s)+ 5 OH (aq) red -0.13 V E red +1.065 V Br₂(1)+2e → 2 Br (aq) 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 enough Yes information to calculate the cell voltage under standard No conditions? If you said it was possible to calculate the cell voltage, do so and enter your answer here. Round your answer to 3 significant digits. Ον ローロ X G

A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 3Cu (aq) + 2A1 (s) 3Cu (s)+2A1* (aq) 2+ 3+ Suppose the cell is prepared with 2.15 M Cu“ in one half-cell and 7.31 M Al" in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. AL Rights

4. A galvanic cell consisting of a magnesium electrode and a standard hydrogen electrode is constructed. The cell generates a voltage, Ecell, of 2.099 V. The standard reduction potential for the two half-cell reactions are as follows: Mg²+ (aq) + 2e → Mg (s) 2H+ (aq) + 2e → H₂ (g) -2.38 V OV (i) Determine the standard cell potential, Eºcell. (ii) Assuming a Mg²+ (aq) concentration of 1 mol dm³ and a H₂ (g) pressure of 1 atm, calculate the theoretical pH of the cell. You may use concentrations/partial pressures in place of activities.

A galvanic cell is powered by the following redox reaction: + 2+ HNO₂(aq) + H+ (aq) + Cu¹ (aq) → NO(g) + H₂O(1) + Cu²+ (aq) 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. Write a balanced equation for the half-reaction that takes place at the anode. Calculate the cell voltage under standard conditions. Round your answer to 2 decimal places. 0 E = V 0-0 e X 00

Calculate the cell voltage under these conditions. Round your answer to 3 significant digits.

A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: Cu?* (aq)+Zn (s) → Cu (s) +Zn²* (aq) Suppose the cell is prepared with 3.40 M Cu´" in one half-cell and 5.47 M Zn2+ in the other. Calculate the cell voltage under these conditions. Round your answer to 3 significant digits. x10

A galvanic cell is powered by the following redox reaction: 3 Cl,(g) + 2 Cr(OH),(s) + 10 OH (aq) 2 Cro, (aq) + 8 H,O(1) 6 Cl (aq) + 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. 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. Explanation Check ?? étv 6.