A zinc bar (atomic mass = 65.38 g/mol; ion charge = 2) is weighing 2.08 kg is attached to a buried iron pipe to protect the pipe from corrosion. An average current of 0.025 A flows between the bar and the pipe. How many years will be required for the zinc bar to be entirely consumed? (1 yr = 3.156 x 107 sec) Show your answers in 2 decimal places.

Q: A voltaic cell employs the following redox reaction:Sn2+(aq) + Mn(s) ¡ Sn(s) + Mn2+(aq)Calculate the…

A: The redox reaction takes place as- Cathode -Sn2+ (aq)+2e- →Sn (s)…

Q: A thin circular-disk earring 4.00 cm in diameter is plated with a coating of gold 0.25 mm thick from…

A:

Q: Determine the molar mass (amu) of Metal (M) if it took 1.68 minutes for a current of 1.08 A to plate…

A: The metal will come out as M3++3e-= M . We can conclude from here that 3 moles of electrons are…

Q: Let’s say that you want to plate gold metal on the outside of some heart pendants (to give to all of…

A:

Q: Zinc plating (galvanizing) is an important means of corrosion protection. Although the process is…

A: The Faraday’s first law of electrolysis state that the mass of the substance  deposited at any…

Q: Batteries are charged and discharged due to the concentration of the solutions inside. Calculate the…

A: Use nernest equation to get voltage of Cell. Total no of transferring electron is 2 do value of n…

Q: Two identical spoons were electroplated with Ag or Cd through the use of the electrolytic cells…

A: Amount of metal deposit on spoons depends on the amount of current passed.

Q: Which of the following expressions is correct for the maximum mass of copper, in grams, that could…

A: Given values -> Time = 16hour = 16 × 60×60 seconds                             =16×3600 seconds…

Q: How long (in hours) must a current of 4.61 amps be passed to produce 79.5 g of copper metal from a…

A: Given:: Current i= 4.61 A  Mass of Cu = 79.5 g  Molar mass of Cu= 63.55 g mol-1 Time t= ?

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: The reaction at Cathode is Lead sulphate is reduced to Lead. PbSO4 + 2e- ---> Pb + SO4 2-

Q: A constant current of 0.445 A is passed through an electrolytic cell containing molten BaCl2 for…

A: The reaction is, Ba2+ + 2e- ---> Ba(s) From this reaction, we can conclude that 2 mol of…

Q: Using a constant current of 6.9 A, a metal object is to be gold-plated by an electrolytic procedure…

A: Consider the given information is as follows; Current (I) = 6.9 A Time (t) = 9.8 min = 9.8×60=588…

Q: A galvanic (voltaic) cell consists of an inert platinum electrode in a solution containing 1.0 M…

A: The cell is having solutions containing 1.0 M titanium(III) ion and 1.0 M titanium(II) ion, and…

Q: 1.90 cm in diameter. How many days will it take to produce a layer of gold 0.250 mm thick (on both…

A: Given data are as follows: Diameter of coin = 1.90 cm  Thickness of coin = 0.250 mm = 0.025 cm…

Q: A zinc bar (atomic mass = 65.38 g/mol; ion charge = 2) is weighing 2.4 kg is attached to a buried…

A: The solution is given below -

Q: Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive)…

A: We have given that Current (I) = 240 mA = 0.24 A Time (t) = 55 sec Equivalent weight of silver =…

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: Given data,Current=29.0ATime=69.0sReaction at cathode;Pb2++2e-→Pb(s)

Q: Calculate the cell potential for the galvanic cell (in volts) in which the following reaction occurs…

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Q: An inventor proposes using a SHE (standard hydrogen electrode) in a new battery for smartphones that…

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Q: A voltaic cell is constructed in which the anode is a Mg|Mg2+ half cell and the cathode is a…

A: At anode the oxidation takes place means loss of electrons. At cathode the reduction takes place…

Q: nitrate, Ni(NO3)2 undergoes electrolysis in order to plate on a sink faucet requiring 2.00 hours…

A: Given,  Time(t)  = 2.0 hrs = 7200 seconds  Current(i) = 2.80 amp Faraday's constant(F)  = 96, 485…

Q: Determine the molar mass (amu) of Metal (M) if it took 2.95 minutes for a current of 1.8 A to plate…

A:

Q: In the electrolysis of an acid solution, oxygen can be produced by the following half-reaction:…

A:

Q: Consider the diagram of galvanic cell, which consists of Ag*(aq)/Ag(s) and Sn²+ (aq)/Sn(s)…

A:

Q: You would like to produce a gold-plated coin by plating gold onto a penny 1.90 cm in diameter. How…

A: Given : diameter of coin = 1.9 cm => radius of coin, r = 1.9 / 2 = 0.95 cm and thickness of gold…

Q: Determine the AGʻ in KJ for a voltaic cell made of a Zn strip and a Pb strip immersed in 1.0 M…

A: The concentration of both electrolytes, Zn(NO3)2 and Pb(NO3)2, is 1.0 M and the voltaic cell uses…

Q: Ag Silver Spoon Cadmium- Cd2+ Spoon (Ag* Cd2+ Cell 1 Cell 2 Two identical spoons were electroplated…

A: Faraday law is used to find amount of mass collected. W=Zit Z= electrochemical equivalent i= current…

Q: Calculate the actual cell potential if you have a 1 M solution of MgSO4, but only a 0.5 M solution…

A:

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: Given,Current = 59.0 ATime = 66 sec.Molar mass of lead 207.2 g/mol

Q: Solid, metallic chromium can be electroplated from acidic aqueous solutions containing dichromate…

A: Metal electroplated than mass of metal depend current , equivalent weight of metal and time.

Q: A zinc bar weighing 3kg is attached to a burried iron pipe to protect the pipe from corrosion. An…

A: The number of years required by the zinc bar to fully consumed is to be calculated.  The time can…

Q: You would like to produce a gold-plated coin by plating gold onto a penny 1.90 cm in diameter. How…

A: Given : Diameter of coin = 1.9 cm => radius of coin = 1.9 / 2 = 0.95 cm = r And thickness of gold…

Q: Consider the following electrochemical cell notation with a cell potential of 0.300 V. Pt ∣Cr3+(aq,…

A: NOTE : There is a minor correction in the cell notation given. As per the rules, the specie which is…

Q: A steel railroad bridge uses a zinc sacrificial anode to limit the extent of oxidation of the steel.…

A:

Q: The reduction half-reaction in your car lead-acid battery is the reduction of lead (IV) oxide (MW =…

A: Given:  Mass of PbO2 = 221 g             Current supplied = 138 A

Q: A current of 200 A flows for 22.0 hours at an anode where the reaction occurring is Mn2*(aq) +…

A: Interpretation- To determine the mass(in Kg) of MnO2  is deposited on this anode when a current of…

Q: Batteries are charged and discharged due to the concentration of the solutions inside. Calculate the…

A: Given,  The voltage of a battery made from zinc in a 0.1M solution of Zn2+ and a metal X in a 1 M…

Q: How long (hr) must a constant current of 50.0 A be passed through an electrolytic cell containing…

A: Answer: 5.36 hr

Q: Cell 1 Cell 2 Two identical spoons were electroplated with Ag or Cd through the use of the…

A: given - electroplating diagram for Ag and Cd

Q: A galvanic (voltaic) cell consists of an inert platinum electrode in a solution containing 1.0 M…

A: Given : electrode 1 => 1.0 M titanium(III) ion and 1.0 M titanium(II) ion and electrode 2 =>…

Q: A voltaic cell (also called a galvanic cell) was constructed by connecting two beakers with a salt…

A: Given: Standard half-cell reduction potentials:Fe2+(aq)  +  2e-  ----->  Fe(s)     E o  =  -0.45…

Q: You would like to produce a gold-plated coin by plating gold onto a penny 1.90 cm in diameter. How…

A: Given : radius of coin = 1.9 cm = r And thickness of gold required = 0.79 mm = 0.079 cm = t…

Q: Consider these two entries from a fictional table of standard reduction potentials.…

A: X3+ +3e- ⟶ X(s) , Eo =−1.63 V (anode) Y3+ +3e−⟶Y(s), Eo =−0.41 V (cathode)

Q: A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion…

A: Here we are required to find the cell potential of the electrochemical cell reaction

Q: Consider an electrolytic cell with a steady current of 174 amperes which produces Als) (atomic mass…

A:

Q: You would like to produce a gold-plated coin by plating gold onto a penny 1.90 cm in diameter. How…

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Q: Start with a battery of Au+1/ Au0 and Li+1/ Li0 at standard conditions. If you wanted to lose 2.1…

A:

Q: When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic…

A: According to the Faraday's law of electrolysis, the mass of Substance liberated or deposited at any…

Q: 3. Suppose you discovered un unknown metal called "Dodatium". A series of experiments where the new…

A: We are given the cell reactions of Dodatium(Do) with Zn, Cu, and Ag along with the respective…

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.