A galvanic cell using Mg / Mg2+ and Cu / Cu2+ half-cells operates under standard-state conditions at 25°C, and each compartment has a volume of 224 mL. The cell delivers 0.14 A for 32.4 h. (a) How many grams of Cu are deposited?
(b) What is the [Cu2+] remaining in M?
A galvanic cell using Mg / Mg2+ and Cu / Cu2+ half-cells operates under standard-state conditions...
Be sure to answer all parts. A galvanic cell using Mg / Mg2+ and Cu Cu half-cells operates under standard-state conditions at 25 oC, and each compartment has a volume of 228 mL. The cell delivers 0.28 A for 31.0 h. (a) How many grams of Cu are deposited? g Cu (b) What is the [Cu2+ remaining?
Be sure to answer all parts. A galvanic cell using Mg / Mg2+ and Cu Cu half-cells operates under standard-state conditions at 25...
11.) Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half-cell reactions at 25 C. Write the equation for the cell reaction that occurs under standard-state conditions. 12.) Calculate the emf and then predict whether the following reaction would occur spontaneously in aqueous solutions at 25 C. Assume that the initial concentrations of dissolved species are all 1.0 M. Show calculations. a.) Care) + Cd2+ (aq) → Ca2+ + Cd() b.) Br2() + Sn(3) ► 2Br...
A standard galvanic cell is constructed in which a Cu2+ Cu half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The cathode reaction is Cu -> Cu2+ + 2e The anode reaction could be Fe -> Fe2+ + 2e The anode compartment could be Aglag. Cu2+ is reduced at the cathode. In the external circuit, electrons flow from the other compartment to the...
A standard galvanic cell is constructed in which a Cu2+ | Cu half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) Cu2+ is reduced at the cathode. As the cell runs, anions will migrate from the Cu2-jCu+ compartment to the other compartment. □ The cathode reaction is Cu2+ + e--> Cu- anions will migrate siom the CuiCu other compartment The cathode reaction is...
1. Calculate the standard cell potential cell that uses the Mg/Mg2+ and Cu/Cu* half- cell reactions at 25°C. Write the equation for the cell reaction that occurs under standard-state conditions.
A galvanic cell employs the reaction Mg2+(aq) + Cu(s) → Mg(s) + Cu2+(aq) and NaNO3 is the salt used in the salt bridge. During the course of the reaction. A. NaNO3 leaves the salt bridge and enters the cathode compartment. B. Na+ leaves the salt bridge and enters the anode compartment. C. Na+ leaves the salt bridge and enters the cathode compartment. D. NaNO3 leaves the salt bridge and enters the anode compartment.
Calculate the equilibrium constant of a cell that uses a Mg/Mg2+ half-cell and a Cu/Cu2+ half-cell.
A standard galvanic cell is constructed in which a Cu2+ Cut half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode compartment could be Hg? Hg. As the cell runs, anions will migrate from the Cu²+ Cu" compartment to the other compartment Cut is oxidized at the cathode. In the external circuit, electrons flow from the Cu2+Cut compartment to the other compartment...
answers are a)2.83V b)17.0V c)2.71V D) 16h
4) A battery is constructed based on Cu/Cu2 and Mg/Mg2 half cells. The initial concentration of Mg and Cu2 are 1.0E-4 and 1.5M respectively. Both half cells are placed in one container having a solution volume of 1.0L a. Calculate the initial battery voltage. b. Calculate the voltage when 6 cells are placed in series c. Calculate the battery voltage after delivering 5.0 A for 8.0 hours d. How long can the battery...
A standard galvanic cell is constructed in which a HTH, half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) The anode reaction could be Mg -> Mg2+ + 2e" H' is reduced at the cathode. The anode compartment could be ClyCl". As the cell runs, anions will migrate from the H+H, compartment to the other compartment The cathode reaction is H -> 2H+...