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2. For each of the following cell notations: a. Identify the cathode and anode. b. Write...
for question number 2, the answer cannot be negative 6. In an electrolysis experiment, a student...
for
question number 2, the answer cannot be negative
6. In an electrolysis experiment, a student passed 1.57 A of current through an aqueous solution of lead (II) nitrate containing a 7.63 g piece of lead foil as the cathode. What is the final mass of the lead electrode after 17 minutes? For each of the following cell notations a. Identify the cathode and anode. b. Write the net cell equation. c. Calculate the cell potential. I) Pb(s) 1 Pb2+...
Draw a diagram of the electrolytic cell from Part 1. Identify the cathode, anode, directions in...
Draw a diagram of the electrolytic cell from Part 1. Identify
the cathode, anode, directions in which the electrons, and ions
move. Show how the nickel atoms migrate from the anode and how they
deposit on the cathode. Show the power source and then identify the
positive and negative terminals of the power source. Identify the
positive and negative electrodes. Identify and write the oxidation
and reduction half reactions and write the mass of each electrode
at the start and...
Given the following electrolytic cell: The current is discharged into the electrolytic cell containing the solution CuSO4(aq) 1.0M at 25 oC. During the operation of the cell, copper Cu(s) is deposite...
Given the following electrolytic cell:
The current is discharged into the electrolytic cell containing
the solution CuSO4(aq) 1.0M at 25 oC. During
the operation of the cell, copper Cu(s) is deposited on
one electrode and oxygen O2(g) gas is released, near the
second electrode.
O2(g) + 4H3O+(aq) +
4e-
6H2O(l) Eo= 1.23V
Cu2+(aq) + 2e- Cu(s)
Eo= 0.34V
A. Write the direction of the flow of electrons in the
cell.
B. Write the electrolysis equation that occurs in the cell....
help with these please Write the cell notation for an electrochemical cell consisting of an anode...
help with these please
Write the cell notation for an electrochemical cell consisting of an anode where Al () is oxidized to AP+ (aq) and a cathode where Pb2+ (aq) is reduced to Pb (s). Assume all aqueous solutions have a concentration of 1 mol/L. Write the cell notation for an electrochemical cell consisting of an anode where Sn (s) is oxidized to Sn2+ (aq) and a cathode where H(aq) is reduced to H2 (g) at a platinum electrode. Assume...
Given the following electrolytic cell: The current is discharged into the electrolytic cell containing the solution CuS...
Given the following electrolytic cell:
The current is discharged into the electrolytic cell containing
the solution CuSO4(aq) 1.0M at 25 oC. During
the operation of the cell, copper Cu(s) is deposited on
one electrode and oxygen O2(g) gas is released, near the
second electrode.
O2(g) + 4H3O+(aq) +
4e-
6H2O(l) Eo= 1.23V
Cu2+(aq) + 2e- Cu(s)
Eo= 0.34V
A. The current in the cell is 1.5 amperes. The current is
streamed in 40 minutes.
i. Calculate the mass of copper...
Folder Electro Test 10 Point Questions 6. Calculate ΔG° for the following reaction at 25°C 7. Exp...
PLEASE ANSWER ALL OF QUESTION
9 WITH ALL WORK SHOWN. THANK YOU!
Folder Electro Test 10 Point Questions 6. Calculate ΔG° for the following reaction at 25°C 7. Explain the following using principles of atomic str nciples of atomic structure a K cannot be easily oxidized b. CI cannot be easily reduced How many moles of electrons Consider an uranium-bromine cell in which U is oxidized and Br, is reduced. If the s 8. are transferred in an electrolytic cell...
2. Answer each of the following: (i) Explain using VSEPRT the difference in geometries of CH4...
2. Answer each of the following: (i) Explain using VSEPRT the difference in geometries of CH4 and H20. [4 Marks] (ii) Discuss the energy of the valence and conductance bands in conductors, insulators and semiconductors. Outline the chemical basis for p and n-doped semiconductors [10 Marks] (iii) Nickel-cadmium (Ni-cad) batteries are rechargeable and are commonly used in cordless appliances. Although such batteries actually function under basic conditions, imagine an electrochemical cell using the setup below. V Cd Ni Salt Bridge...
can someone help me write the half reactions for part A and B. 2. Electrolytic Cells...
can someone help me write the half reactions for part A and
B.
2. Electrolytic Cells A. In a small beaker, mix 1 mL of 0.1 M sodium iodide solution, 9 mL of water, 1 mL of fresh starch solution, and two drops of phenolphthalein indicator. Lead wires from a dry cell or storage battery into this solution and observe the region around each wire (9). Write half- reaction equations for the reactions (10). What would happen if the reaction...
14. In which cell is there one half-cell containing solid lead and lead() ions and the...
14. In which cell is there one half-cell containing solid lead and lead() ions and the other half-cell containing aluminum and aluminum ions? A. PS All Pblys B. AICIYAH Pb, PUSO2) c. PCM PA1,50 Drag D. Aly/50 xan All Pro PCI 15. If the electrical potential for the reduction half-reaction Se, +2e--Sedes were assigned a value 0.00 V, what would be the electrical potential for the reaction Zn +20+ZAW? A B -0.92 V -0.76 V C D +0.16 V -168...
for
question number 2, the answer cannot be negative
6. In an electrolysis experiment, a student passed 1.57 A of current through an aqueous solution of lead (II) nitrate containing a 7.63 g piece of lead foil as the cathode. What is the final mass of the lead electrode after 17 minutes? For each of the following cell notations a. Identify the cathode and anode. b. Write the net cell equation. c. Calculate the cell potential. I) Pb(s) 1 Pb2+...
Draw a diagram of the electrolytic cell from Part 1. Identify
the cathode, anode, directions in which the electrons, and ions
move. Show how the nickel atoms migrate from the anode and how they
deposit on the cathode. Show the power source and then identify the
positive and negative terminals of the power source. Identify the
positive and negative electrodes. Identify and write the oxidation
and reduction half reactions and write the mass of each electrode
at the start and...
Given the following electrolytic cell:
The current is discharged into the electrolytic cell containing
the solution CuSO4(aq) 1.0M at 25 oC. During
the operation of the cell, copper Cu(s) is deposited on
one electrode and oxygen O2(g) gas is released, near the
second electrode.
O2(g) + 4H3O+(aq) +
4e-
6H2O(l) Eo= 1.23V
Cu2+(aq) + 2e- Cu(s)
Eo= 0.34V
A. Write the direction of the flow of electrons in the
cell.
B. Write the electrolysis equation that occurs in the cell....
help with these please
Write the cell notation for an electrochemical cell consisting of an anode where Al () is oxidized to AP+ (aq) and a cathode where Pb2+ (aq) is reduced to Pb (s). Assume all aqueous solutions have a concentration of 1 mol/L. Write the cell notation for an electrochemical cell consisting of an anode where Sn (s) is oxidized to Sn2+ (aq) and a cathode where H(aq) is reduced to H2 (g) at a platinum electrode. Assume...
Given the following electrolytic cell:
The current is discharged into the electrolytic cell containing
the solution CuSO4(aq) 1.0M at 25 oC. During
the operation of the cell, copper Cu(s) is deposited on
one electrode and oxygen O2(g) gas is released, near the
second electrode.
O2(g) + 4H3O+(aq) +
4e-
6H2O(l) Eo= 1.23V
Cu2+(aq) + 2e- Cu(s)
Eo= 0.34V
A. The current in the cell is 1.5 amperes. The current is
streamed in 40 minutes.
i. Calculate the mass of copper...
PLEASE ANSWER ALL OF QUESTION
9 WITH ALL WORK SHOWN. THANK YOU!
Folder Electro Test 10 Point Questions 6. Calculate ΔG° for the following reaction at 25°C 7. Explain the following using principles of atomic str nciples of atomic structure a K cannot be easily oxidized b. CI cannot be easily reduced How many moles of electrons Consider an uranium-bromine cell in which U is oxidized and Br, is reduced. If the s 8. are transferred in an electrolytic cell...
2. Answer each of the following: (i) Explain using VSEPRT the difference in geometries of CH4 and H20. [4 Marks] (ii) Discuss the energy of the valence and conductance bands in conductors, insulators and semiconductors. Outline the chemical basis for p and n-doped semiconductors [10 Marks] (iii) Nickel-cadmium (Ni-cad) batteries are rechargeable and are commonly used in cordless appliances. Although such batteries actually function under basic conditions, imagine an electrochemical cell using the setup below. V Cd Ni Salt Bridge...
can someone help me write the half reactions for part A and
B.
2. Electrolytic Cells A. In a small beaker, mix 1 mL of 0.1 M sodium iodide solution, 9 mL of water, 1 mL of fresh starch solution, and two drops of phenolphthalein indicator. Lead wires from a dry cell or storage battery into this solution and observe the region around each wire (9). Write half- reaction equations for the reactions (10). What would happen if the reaction...
14. In which cell is there one half-cell containing solid lead and lead() ions and the other half-cell containing aluminum and aluminum ions? A. PS All Pblys B. AICIYAH Pb, PUSO2) c. PCM PA1,50 Drag D. Aly/50 xan All Pro PCI 15. If the electrical potential for the reduction half-reaction Se, +2e--Sedes were assigned a value 0.00 V, what would be the electrical potential for the reaction Zn +20+ZAW? A B -0.92 V -0.76 V C D +0.16 V -168...
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