Question

Problem 20.29 A voltaic cell similar to that shown in Figure 20.5 in the textbook is...

Problem 20.29

A voltaic cell similar to that shown in Figure 20.5 in the textbook is constructed. One electrode compartment consists of a silver strip placed in a solution of AgNO3, and the other has an iron strip placed in a solution of FeCl2. The overall cell reaction is
Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)

Part A

What is being oxidized?

Express your answer as a chemical expression.

SubmitMy AnswersGive Up

Part B

What is being reduced?

Express your answer as a chemical expression.

SubmitMy AnswersGive Up

Part C

Write the half-reactions that occur in the two electrode compartments.

Express your answer as a chemical equation. Identify all of the phases in your answer.

anode reaction:

SubmitMy AnswersGive Up

Part D

Express your answer as a chemical equation. Identify all of the phases in your answer.

cathode reaction:

SubmitMy AnswersGive Up

Part E

Which electrode is the anode, and which is the cathode?

Which electrode is the anode, and which is the cathode?

Ag electrode is the anode, Fe electrode is the cathode.
Fe electrode is the anode, Ag electrode is the cathode.

SubmitMy AnswersGive Up

Part F

Indicate the signs of the electrodes.

Indicate the signs of the electrodes.

Ag electrode is negative, Fe electrode is positive.
Fe electrode is negative, Ag electrode is positive.

SubmitMy AnswersGive Up

Part G

Do electrons flow from the silver electrode to the iron electrode, or from the iron to the silver?

Do electrons flow from the silver electrode to the iron electrode, or from the iron to the silver?

Electrons flow from the silver electrode to the iron electrode.
Electrons flow from the iron electrode to the silver electrode.

SubmitMy AnswersGive Up

Part H

In which directions do the cations and anions migrate through the solution?

In which directions do the cations and anions migrate through the solution?

Cations and anions migrate to the silver electrode.
Cations and anions migrate to the iron electrode.
Cations migrate to the iron electrode, anions migrate to the silver electrode.
Cations migrate to the silver electrode, anions migrate to the iron electrode.

Homework Answers

Answer #1

The net ionic chemical reaction is

PART A

Here Fe(Iron) is oxidized. The oxidation state change from 0 to +2

PART B

Here Silver is recduced. The oxidation sate changes from +1 to 0

PART C

At anode: The oxidation half cell reaction is

PART D

At cathode: The reduction halfcell reaction is

PART E

Fe electrode is anode and Ag electrode is Cathode

PART F

Ag electrode is positive and Fe electrode is negative

PART G

Electron flows from Fe electrode to Ag electrode

PART H

Cation migrate to the silver electrode and anions migrate to the iron electrode

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A voltaic cell that uses the reaction Tl3+(aq)+2Cr2+(aq)→Tl+(aq)+2Cr3+(aq) has a measured standard cell potential of +1.19...
A voltaic cell that uses the reaction Tl3+(aq)+2Cr2+(aq)→Tl+(aq)+2Cr3+(aq) has a measured standard cell potential of +1.19 V. Part A Write the two half-cell reactions. Express your answer as a chemical equation. Identify all of the phases in your answer Part B Express your answer as a chemical equation. Identify all of the phases in your answer. Part C By using data from Appendix E, determine E∘red for the reduction of Tl3+(aq) to Tl+(aq). Express your answer using two significant figures....
Predict the half-cell reactions that occur when aqueous solutions of the following salts are electrolyzed in...
Predict the half-cell reactions that occur when aqueous solutions of the following salts are electrolyzed in a cell with inert electrodes. What is the overall cell reaction in each case? Part A anode reaction for LiBr Express your answer as a ionic equation. Identify all of the phases in your answer. 2Br−(aq)→Br2(l)+2e− Part B cathode reaction for LiBr: Express your answer as a ionic equation. Identify all of the phases in your answer. 2H2O(l)+2e−→H2(g)+2OH−(aq) overall cell reaction for LiBr: Express...
A voltaic cell is constructed in which the anode is a Cr2+|Cr3+ half cell and the...
A voltaic cell is constructed in which the anode is a Cr2+|Cr3+ half cell and the cathode is a Ag|Ag+ half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: __(aq)(s)(l)(g) + __(aq)(s)(l)(g) -----> __(aq)(s)(l)(g) + __(aq)(s)(l)(g) The cathode reaction is: __(aq)(s)(l)(g) + __ (aq)(s)(l)(g) ----->   __(aq)(s)(l)(g) + __(aq)(s)(l)(g)...
A standard galvanic cell is constructed in which a Cu2+ | Cu+ half cell acts as...
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.) As the cell runs, anions will migrate from the Cu2+|Cu+ compartment to the other compartment. Cu+ is oxidized at the cathode. The anode compartment could be Ag+|Ag. The anode reaction could be Fe -> Fe2+ + 2e-. In the external circuit, electrons...
Enter electrons as e-. A voltaic cell is constructed in which the anode is a Cu|Cu2+...
Enter electrons as e-. A voltaic cell is constructed in which the anode is a Cu|Cu2+ half cell and the cathode is a F-|F2 half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: + + The cathode reaction is: + + The net cell reaction is: + +...
1)A voltaic cell is constructed in which the anode is a I-|I2 half cell and the...
1)A voltaic cell is constructed in which the anode is a I-|I2 half cell and the cathode is a Cl-|Cl2 half cell. The half-cell compartments are connected by a salt bridge. (Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (aq) or (s). If a box is not needed, leave it blank.) The anode reaction is: The cathode reaction is: The net cell reaction is: In the external circuit, electrons migrate _____the I-|I2 electrode ____...
Which of the following is correct for a voltaic cell constructed with Fe/Fe2+ and Zn/Zn2+? Fe2+...
Which of the following is correct for a voltaic cell constructed with Fe/Fe2+ and Zn/Zn2+? Fe2+ + 2 e− -> Fe (ΔG° = 84.9 kJ/mol) Zn2+ + 2 e− -> Zn (ΔG° = 146.7 kJ/mol) A) The Fe electrode is the anode, and electrons flow from Fe to Zn B) The Fe electrode is the anode, and electrons flow from Zn to Fe C) The Zn electrode is the anode, and electrons flow from Fe to Zn D) The Zn...
Problem 4.41 Write balanced molecular and net ionic equations for the following reactions, and identify the...
Problem 4.41 Write balanced molecular and net ionic equations for the following reactions, and identify the gas formed in each. Part A Solid cadmium sulfide reacts with an aqueous solution of sulfuric acid . Express your answer as a balanced chemical equation. Identify all of the phases in your answer. CdS(s)+H2SO4(aq)→CdSO4(aq)+H2S(aq) SubmitMy AnswersGive Up Incorrect; Try Again Part B Ionic equation: Express your answer as a balanced net ionic equation. Identify all of the phases in your answer. SubmitMy AnswersGive...
Each of the following reactions involves a transfer of electrons. The number of electrons transferred is...
Each of the following reactions involves a transfer of electrons. The number of electrons transferred is represented with the letter n . For each of the following balanced reactions, determine the number of electrons transferred. Part A 2Fe3+(aq)+3Sn(s)→2Fe(s)+3Sn2+(aq) Express your answer using an integer. Part B Consider a voltaic cell that is set up as follows: Anode contains an Fe(s) electrode and 1M Fe2+(aq) Cathode contains a Ni(s) electrode and 1M Ni2+(aq) Which of the following statements match the anode?...
B) The half-cell is a chamber in the voltaic cell where one half-cell is the site...
B) The half-cell is a chamber in the voltaic cell where one half-cell is the site of the oxidation reaction and the other half-cell is the site of the reduction reaction. Type the half-cell reaction that takes place at the anode for the aluminum-silver voltaic cell. Indicate the physical states of atoms and ions using the abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) for an aqueous solution. Do not include phases for electrons. Express...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT