Question

In: Chemistry

An electrolysis cell is operated for 3000 s using a current of 1.50 A. From which...

An electrolysis cell is operated for 3000 s using a current of 1.50 A. From which 1.0 M solution will the greatest mass of metal be deposited? Answer is A please explain

(A) TlNO3

(C) ZnCl2

(B) Pb(NO3)2

(D) In(NO3)3

Solutions

Expert Solution


Related Solutions

Molten ZnBr2 is electrolyzed by passing a current of 15.0 A through an electrolysis cell for...
Molten ZnBr2 is electrolyzed by passing a current of 15.0 A through an electrolysis cell for a certain length of time. In this process, 45.75g Br2 are deposited_________( anode or cathode). How long does this process require? What is the chemical reaction taking place at the other electrode? What mass of the second product is released at the other electrode?
A current of 6.15×104 A is passed through an electrolysis cell containing molten MgCl2 for 6.50...
A current of 6.15×104 A is passed through an electrolysis cell containing molten MgCl2 for 6.50 days. (a) How many grams of magnesium are produced? _____g (b) How many liters of chlorine are collected, if the gas is at a temperature of 273 K and a pressure of 1.00 atm? _____L
Copper can be electroplated at the cathode of an electrolysis cell by the half-reaction. Cu2+(aq)+2e−→Cu(s)Cu2+(aq)+2e−→Cu(s) Part...
Copper can be electroplated at the cathode of an electrolysis cell by the half-reaction. Cu2+(aq)+2e−→Cu(s)Cu2+(aq)+2e−→Cu(s) Part A How much time would it take for 338 mgmg of copper to be plated at a current of 7.1 AA ?
The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s)...
The standard emf for the cell using the overall cell reaction below is +2.20 V: 2Al(s) + 3I2(s) →→ 2AI3+(aq) + 6I-(aq) The emf generated by the cell when [AI3+] = 3.5 × 10-3 M and [I-] = 0.30 M is ________ V.
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+]= 1.80×10−2 M . The initial cell voltage is +1.12 V . Part A By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell. E∘ = V SubmitMy AnswersGive Up Part B Will the concentration of Ni2+(aq) increase or decrease as the cell operates? Will the concentration of increase or...
A 1000 kg car traveling 60° south from east at 30 m/s collides with a 3000...
A 1000 kg car traveling 60° south from east at 30 m/s collides with a 3000 kg truck traveling north at 20 m/s. The cars stick together after the collision. a) Is the momentum of the tr uck conserved before and after the collision? Why? b) Is the momentum of the car and tr uck together conserved before and after the collision? Why? c) Draw the velocity vector for the car before collision and write down the x and y...
Consider the Daniell cell, for which the overall cell reaction is Zn(s)+Cu2+(aq)⇌Zn2+(aq)+Cu(s) The concentrations of CuSO4...
Consider the Daniell cell, for which the overall cell reaction is Zn(s)+Cu2+(aq)⇌Zn2+(aq)+Cu(s) The concentrations of CuSO4 and ZnSO4 are 2.20×10−3 m and 1.10×10−3 m , respectively. A) Calculate E setting the activities of the ionic species equal to their molalities. Express your answer to four significant figures and include the appropriate units. B) Calculate γ±,ZnSO4 for the half-cell solutions using the Debye-Huckel limiting law. Express your answer using three significant figures. C) Calculate γ±,CuSO4 for the half-cell solutions using the...
Which of the following cell types are formed from a myloid precursor? mast cell B cell...
Which of the following cell types are formed from a myloid precursor? mast cell B cell dendritic cell natural killer cell macrophage neutrophil plasma cell T cell Which compliment pathway results in the production of MAC? Alternative Pathway Classic Pathway Manose-binding Lectin Pathway
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...
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+]= 1.80×10−2 M . The initial cell voltage is +1.13 V . 1. By using data in Table 20.1 in the textbook, calculate the standard emf of this voltaic cell.
Which stages of cell cycle (G1, S, G2, and M) will Chromatin structures such as Nucleosome,...
Which stages of cell cycle (G1, S, G2, and M) will Chromatin structures such as Nucleosome, chromatosome, 30nm fiber, 300nm coil, 700nm coil, chromatid will be present in the nucleus of a. myoblast, b. macrophage, and c. red blood cell?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT