Question

A battery is constructed based on the oxidation of magnesium and the reduction of Cu2+. The...

A battery is constructed based on the oxidation of magnesium and the reduction of Cu2+. The initial concentrations of Mg2+ and Cu2+ are 1.2�10?4M and 1.5M , respectively, in 1.0-liter half-cells

1.)What is the initial voltage of the battery?

2.)What is the voltage of the battery after delivering 4.6A for 8.0h ?

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 rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag+half-cells. The volume...
A rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag+half-cells. The volume of each half-cell is 2.2 Land the concentrations of Ag+ in the half-cells are 1.35 M and 1.0×10−3 M . Part A: What is the concentration of Ag+ at the cathode after the cell is run at 3.8 A for 5.6 h ?    Part B: What is the concentration of Ag+ at the cathode when the cell is "dead"? Part C: For how...
A rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag+ half-cells. The...
A rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag+ half-cells. The volume of each half-cell is 2.1 L and the concentrations of Ag+ in the half-cells are 1.30 M and 1.2×10−3 M . Part A For how long can this battery deliver 2.8 A of current before it goes dead? Part B What mass of silver is plated onto the cathode by running at 3.7 A for 5.3 h ? Part C Upon recharging, how...
THERE IS NOTHING MISSING THIS IS WHAT IS GIVEN Exercise 20.110 A rechargeable battery is constructed...
THERE IS NOTHING MISSING THIS IS WHAT IS GIVEN Exercise 20.110 A rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag+ half-cells. The volume of each half-cell is 2.1 L and the concentrations of Ag+ in the half-cells are 1.30 M and 1.0×10−3 M . Part A For how long can this battery deliver 2.8 A of current before it goes dead? Express your answer using two significant figures. t =   hr   SubmitMy AnswersGive Up Part...
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 ∘C ....
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 ∘C . The initial concentrations of Pb2+ and Cu2+ are 5.30×10−2 M and 1.50 M , respectively. a) What is the initial cell potential? b) What is the cell potential when the concentration of Cu2+ has fallen to 0.200 M ? c) What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.370 V ?
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 ∘C. The...
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 ∘C. The initial concentrations of Pb2+ and Cu2+ are 5.10×10−2 M and 1.60 M , respectively. The initial potential is 0.51 V and the cell potential is 0.45 V when the concentration of Cu2+ has fallen to 0.230 M. What are the concentrations of Pb2+ and Cu2+ when the cell potential falls to 0.350 V ?
A concentration cell based on the following half reaction at 280 K Cu2+ +2e Cu has...
A concentration cell based on the following half reaction at 280 K Cu2+ +2e Cu has initial concentrations of 1.37 Cu 2+, 0.215 Cu2+, and a potential of 0.02314 V at these conditions. After 9.1 hours, the new potential of the cell is found to be 0.009826 V. What is the concentration of Cu2+ at the cathode at this new potential? a. 0.697 b. 0.871 c. 1.09 d. 1.36 e. 1.70
A voltaic cell is constructed with two silver-silver chloride electrodes, each of which is based on...
A voltaic cell is constructed with two silver-silver chloride electrodes, each of which is based on the following half-reaction: AgCl(s)+e−→Ag(s)+Cl−(aq). The two cell compartments have [Cl−]= 1.40×10−2 M and [Cl−]= 3.00 M , respectively. What is the cell emf at the given concentrations given?
A concentration cell based on the following half reaction at 274 K Mg2+ + 2 e-...
A concentration cell based on the following half reaction at 274 K Mg2+ + 2 e- → Mg       SRP = -2.37 V has initial concentrations of 1.31 M Mg2+, 0.239 M Mg2+, and a potential of 0.02008 V at these conditions. After 1.7 hours, the new potential of the cell is found to be 0.01032 V. What is the concentration of Mg2+ at the cathode at this new potential?
A circuit is constructed with four resistors, one inductor, one battery and a switch as shown....
A circuit is constructed with four resistors, one inductor, one battery and a switch as shown. The values for the resistors are: R1 = R2 = 59 Ω, R3 = 89 Ω and R4 = 80 Ω. The inductance is L = 350 mH and the battery voltage is V = 12 V. The positive terminal of the battery is indicated with a + sign. 1) The switch has been open for a long time when at time t =...
Establishing a Table of Reduction Potentials: Micro-Voltaic Cells​ 1. The solutions you used in this experiment...
Establishing a Table of Reduction Potentials: Micro-Voltaic Cells​ 1. The solutions you used in this experiment were all prepared to the standard concentration of 1.0 M metal ions. If, in any of your measurements, the metal ion concentration for the solution in contact with your cathode was significantly less than 1.0 M while the concentration of the solution in contact with your anode was 1.0 M, what effect would that have on the measured value of the cell potential compared...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT