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5. A galvanic cell is constructed which uses the following half reactions. The initial...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of each aqueous reactant and product is 0.100 M. H2O2(aq) + 2H"(aq) + 2e 2H2O() CIO-(aq) H2O(l) + 2Cl(aq) + 2OH(aq) a. Write the line notation for the cell. (5 pts) b. Write the net ionic equation for the cell reaction. (5 pts) c. Calculate the initial potential of the cell. (5 pts) Answer: d. Calculate the pH in the anode and cathode compartments after...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of each aqueous reactant and product is 0.100 M. H2O2(aq) + 2H+ (aq) + 2e = 2H20(0 CIO-(aq) + H20(1) +2e = Cl-(aq) +20H-(aq) a. Write the line notation for the cell. (5 pts) b. Write the net ionic equation for the cell reaction. (5 pts) c. Calculate the initial potential of the cell. (5 pts) Answer: d. Calculate the pH in the anode and...
2. A standard state galvanic cell is constructed using the following half-reactions. Fe3+ (aq) + Fe2(aq)...
2. A standard state galvanic cell is constructed using the following half-reactions. Fe3+ (aq) + Fe2(aq) Fe2(aq) + 2e → Fe(s) a. Fill in the cell diagram. Label the anode, cathode, the reactants and products in each solu direction of electron flow through the wire, and ion flow through the salt bridge. (5 pts) KNO, Salt Bridge (+) electrode (-) electrode b. Calculate the concentration of each ion in the cell at equilibrium. (10 pts)
3. Two galvanic cells were constructed, as shown below. 1.61 0.88 KINO a. Which lead (red...
3. Two galvanic cells were constructed, as shown below. 1.61 0.88 KINO a. Which lead (red or black) is attached to the cathode and which is attached to the anode? How do you know? (5 pts) b. Write the line notation and cell reaction for the Ag/X cell. (5 pts) c. Given that the X(s) electrode is in a 0.10 M XCl2 solution, calculate the standard reduction potential for (5 pts) X2(aq) + 2e → X)
A standard galvanic cell is constructed in which a HTH, half cell acts as the cathode....
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+...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction +...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss 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...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Fe+3(aq)...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Fe+3(aq) +e− → Fe+2(aq) =E0red+0.771V 2H2O(l) +2e− → H2(g) + 2OH−(aq) =E0red−0.83V 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...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Eped...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Eped +1.23 V MnO,(s)+44*(aq)+2e → Mn2+(aq)+2H20(1) Cu2+(aq)+e → Cut(aq) Eped +0.153 V Answer the following questions about this cell. xs ? 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...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2:...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...
A standard galvanic cell is constructed in which a Cu2+ Cu half cell acts as 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.) 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...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of each aqueous reactant and product is 0.100 M. H2O2(aq) + 2H"(aq) + 2e 2H2O() CIO-(aq) H2O(l) + 2Cl(aq) + 2OH(aq) a. Write the line notation for the cell. (5 pts) b. Write the net ionic equation for the cell reaction. (5 pts) c. Calculate the initial potential of the cell. (5 pts) Answer: d. Calculate the pH in the anode and cathode compartments after...
5. A galvanic cell is constructed which uses the following half reactions. The initial concentration of each aqueous reactant and product is 0.100 M. H2O2(aq) + 2H+ (aq) + 2e = 2H20(0 CIO-(aq) + H20(1) +2e = Cl-(aq) +20H-(aq) a. Write the line notation for the cell. (5 pts) b. Write the net ionic equation for the cell reaction. (5 pts) c. Calculate the initial potential of the cell. (5 pts) Answer: d. Calculate the pH in the anode and...
2. A standard state galvanic cell is constructed using the following half-reactions. Fe3+ (aq) + Fe2(aq) Fe2(aq) + 2e → Fe(s) a. Fill in the cell diagram. Label the anode, cathode, the reactants and products in each solu direction of electron flow through the wire, and ion flow through the salt bridge. (5 pts) KNO, Salt Bridge (+) electrode (-) electrode b. Calculate the concentration of each ion in the cell at equilibrium. (10 pts)
3. Two galvanic cells were constructed, as shown below. 1.61 0.88 KINO a. Which lead (red or black) is attached to the cathode and which is attached to the anode? How do you know? (5 pts) b. Write the line notation and cell reaction for the Ag/X cell. (5 pts) c. Given that the X(s) electrode is in a 0.10 M XCl2 solution, calculate the standard reduction potential for (5 pts) X2(aq) + 2e → X)
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+...
A chemist designs a galvanic cell that uses these two half-reactions: standard reduction potential half-reaction + O2(9)+4 H (aq)+4e' 2H20) = 1.23 V red Ered Fe+. (аq) Fe3(aq)+e = +0.771 V Answer the following questions about thiss 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...
A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard reduction potential Eped +1.23 V MnO,(s)+44*(aq)+2e → Mn2+(aq)+2H20(1) Cu2+(aq)+e → Cut(aq) Eped +0.153 V Answer the following questions about this cell. xs ? 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...
Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...
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...
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