Question

A voltaic cell utilizes the following reaction and operates at 298 K: 3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq). A) What is...

A voltaic cell utilizes the following reaction and operates at 298 K: 3Ce4+(aq)+Cr(s)→3Ce3+(aq)+Cr3+(aq).

A) What is the emf of this cell under standard conditions?

B) What is the emf of this cell when [Ce4+]= 2.4 M , [Ce3+]= 0.19 M , and [Cr3+]= 1.7×10−2 M ?

C) What is the emf of the cell when [Ce4+]= 7.0×10−3 M ,[Ce3+]= 2.2 M , and [Cr3+]= 1.9 M ?

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A voltaic cell is constructed that uses the following reaction and operates at 298 K: Zn(s)+Ni2+(aq)→Zn2+(aq)+Ni(s)....
A voltaic cell is constructed that uses the following reaction and operates at 298 K: Zn(s)+Ni2+(aq)→Zn2+(aq)+Ni(s). A) What is the emf of this cell when [Ni2+]= 3.70 M and [Zn2+]= 0.100 M ? Express your answer using two significant figures. B) What is the emf of the cell when [Ni2+]= 0.270 M and [Zn2+]= 0.860 M ? Express your answer using two significant figures.
A voltaic cell utilizes the following reaction: 4Fe2+(aq)+O2(g)+4H+(aq)→4Fe3+(aq)+2H2O(l). A) What is the emf of this cell...
A voltaic cell utilizes the following reaction: 4Fe2+(aq)+O2(g)+4H+(aq)→4Fe3+(aq)+2H2O(l). A) What is the emf of this cell when [Fe2+]= 2.0 M , [Fe3+]= 1.0×10−2 M , PO2=0.60 atm and the pH of the solution in the cathode compartment is 3.7? Express your answer using two significant figures.
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). You may want to reference (Pages 872 -...
A voltaic cell utilizes the following reaction: 2Fe3+(aq)+H2(g)→2Fe2+(aq)+2H+(aq). You may want to reference (Pages 872 - 877) Section 20.6 and Appendix E while completing this problem. 1.What is the emf of this cell under standard conditions? Express your answer using three significant figures. 2.What is the emf for this cell when [Fe3+]= 3.80 M, PH2= 0.95 atm, [Fe2+]= 0.0008 M, and the pH in both compartments is 3.80? Express your answer using two significant figures.
A voltaic cell is constructed that uses the following reactions and operates at 298K: 2Ag+(aq) +...
A voltaic cell is constructed that uses the following reactions and operates at 298K: 2Ag+(aq) + Cu(s) → 2Ag(s) + Cu2+(aq) If the cell generates an emf = +0.493 V and the [Ag+] = 0.795 M, what is the [Cu2+] ?
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C...
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. A)   [Fe3+]= 3.05 M ; [Mg2+]= 2.5×10−3 M
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C...
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. Part A: [Fe3+]= 1.3×10−3 M ; [Mg2+]= 2.95 M Part B: [Fe3+]= 2.95 M ; [Mg2+]= 1.3×10−3 M
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C...
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. Part B: [Fe3+]= 1.6×10−3 M ; [Mg2+]= 3.30 M Part C: [Fe3+]= 3.30 M ; [Mg2+]= 1.6×10−3 M
A voltaic cell is constructed from an Ni2+(aq)−Ni(s) half-cell and an Ag+(aq)−Ag(s) half-cell. The initial concentration...
A voltaic cell is constructed from an Ni2+(aq)−Ni(s) half-cell and an Ag+(aq)−Ag(s) half-cell. The initial concentration of Ni2+(aq) in the Ni2+−Ni half-cell is [Ni2+]= 1.00×10−2 M . The initial cell voltage is +1.12 V . a. By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell. b. Will the concentration of Ni2+(aq) increase or decrease as the cell operates? c. What is the initial concentration of Ag+(aq) in the Ag+−Ag half-cell?
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C...
A voltaic cell employs the following redox reaction: 2Fe3+(aq)+3Mg(s)→2Fe(s)+3Mg2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions. 1. [Fe3+]= 2.3×10−3 M ; [Mg2+]= 2.90 M Express your answer in units of volts. 2. [Fe3+]= 2.90 M ; [Mg2+]= 2.3×10−3 M Express your answer in units of volts.
9 part 2 A voltaic cell employs the following redox reaction: Sn2+(aq)+Mn(s)→Sn(s)+Mn2+(aq) Calculate the cell potential...
9 part 2 A voltaic cell employs the following redox reaction: Sn2+(aq)+Mn(s)→Sn(s)+Mn2+(aq) Calculate the cell potential at 25 ∘C under each of the following conditions Part A standard conditions Ecell Part B [Sn2+]= 1.45×10−2 M ; [Mn2+]= 1.41 M . Express your answer using two significant figures. Ecell Part C [Sn2+]= 1.41 M ; [Mn2+]= 1.45×10−2 M . Ecell
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT