3. Determine the molecular mass and identity of a +2 metal, X, that plates 46.3g of X in 6.75 hours at a current of 2 A.

Q: 6b. How long does it take to deposit a coating of gold 1.00 picometers thick on a disk-shaped…

A:

Q: 7. How long has a current of 5 amperes to be applied through a solution of copper nitrate  to coat a…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Consider the reaction at 25°C (Masterton et al., 2012) Mn02(s) + 4 Hčaq) + 2 Brīag) 2+ → Mnfag) +…

A: We have been asked to find the pH at which the voltage is zero. Reaction is at 25°C

Q: Example: A steel coupon with an anode surface area of 1000 cm2 is placed in an electrolyte. The…

A: The current, I = 1 mA Or 0.001 A

Q: Calculate the time required for a constant current of 0.967 A to deposit 0.388 g of Tl(III) as Tl(s)…

A:

Q: Calculate the time required for a constant current of 0.975 A to deposit 0.349 g of Tl(III) as Tl(s)…

A:

Q: Solid nickel can be plated 298 K while passing 5.75 amperes of current through a Ni^ 2+ solution .…

A: Given: Mass of nickel = 7.80 g Current passed through Ni2+ solution = 5.75 A

Q: 3. Consider the reaction at 25°C Mn02(s) + 4 Hiag) + 2 Brīag) → Mnag) + Brz) + 2H20) At what pH is…

A: To determine the Eo of the given cell, At anode:Br2(l) + 2e- →2Br-(aq) ; E° = +1.080 VAt…

Q: Determine the molar mass (amu) of Metal (M) if it took 1.04 minutes for a current of 1.22 A to plate…

A:

Q: The maximum corrosion current density in a steel sheet coated with zinc and exposed to seawater is…

A: Given, maximum corrosion density = 5mA/m2 time = 1 year

Q: Example: A steel coupon with an anode surface area of 1000 cm? is placed in an electrolyte. The…

A:

Q: A cylindrical metal carries a current of 10 A. What will be its diameter, in mm, if the minimum…

A:

Q: What current must be used to plate 1.75 moles of copper on an electrode in 6.25 minutes?

A: ∙Given:-  no. of moles of copper =1.75 moles                     Time =6.25  minutes or  375s

Q: How long(in hours) would be required for the electroplating of 78g of platinum from a solution of…

A: Mass of platinum required for electroplating = 78 g  Molar mass of platinum = 195.08 g/mol  Number…

Q: The element hafnium, Hf, is used in control rods for nuclear reactors and as an insulator for…

A:

Q: Purification of nickel can be achieved by electrorefining nickel from an impure nickel anode onto a…

A: Electrorefining is a process in which materials, usually metals, are purified by means of an…

Q: Molten ScClz can be electrolyzed to form metallic Sc. For what duration should an electrolysis be…

A: Given: ScCl3 can be electrolyzed to form metallic Sc. We have to calculate the time required for the…

Q: How long will it take to plate out 4.9 g Ni from aqueous Ni2+ with a current of 113.1 A?

A:

Q: How long will it take to plate out 3.0 g Ni from aqueous Ni2+ with a current of 113.1 A? HOW DO WE…

A: Given:: Mass of Ni=3.0 g  molar mass of Ni = 58.6934 g mol-1 Current i=113.1 A Time, t = ?

Q: 3. Consider the reaction at 25°C Mn02(s) + 4 Hag) + 2 Brīag) → Mn ag) + Br2(1) + 2H20(1) + Br21) +…

A:

Q: Copper was electroplated from a Cu2SO4 solution onto an electrode with an active surface area of…

A:

Q: How many seconds would be required to produce 50.0 g of Mg from MgCl2 if the current is 100.0 A?

A: According to Faraday's law of electrolysis, the weight of the substance deposited on any electrode…

Q: In a certain electrolysis experiment involving Al" ions, 50.4 g of Al is recovered when a current of…

A: Given data : In a certain electrolysis experiment involves Al3+ ions  50.4 g of Al is recovered by…

Q: Determine the molar mass (amu) of Metal (M) if it took 1.29 minutes for a current of 1.48 A to plate…

A:

Q: (a) How many coulombs are required to plate a layer of nickel metal 0.125 mm thick on a coin with a…

A: (a) Calculate the volume of Nickel for plating the coin: The shape of nickel after electroplating…

Q: Calculate the cell potential for a cell at 38oC with a Cu2+ concentration of 0.01 M and a Zn2+…

A: The given cell reaction is  Zn(s) + Cu2+(aq) ⇌ Zn2+(aq) + Cu(s) Eocell = +1.10 V Also given…

Q: chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below: how…

A:

Q: How long does it take to deposit a coating of gold 1.00 μm thick on a disk-shaped medallion 4.00 cm…

A: Introduction :  According to the Faraday first law of electrolysis, the amount of chemical reaction…

Q: Ksn for a cell is 1.8x10

A:

Q: A current of 0.500 A flows through a cell containing Cd(II) for 10.0 minutes. Calculate the maximum…

A: Converting time from minute to second 10 min = 10 X 60 = 600 s charge = current X time = 0.500 A X…

Q: Example: A steel coupon with an anode surface area of 1000 cm? is placed in an electrolyte. The…

A:

Q: Determine the molecular mass and identity of a +2 metal, X, that plates 46.3g of X in 6.75 hours at…

A: Welcome to bartleby !

Q: A small part with a surface area of 2.62 cm2 is plated with a gold coating that is 5.00  10–4 mm…

A:

Q: Consider the reaction MnOza) + 4Ha + 2Bra> Mn?"ca + Bra0) + 2H20m At what pH is the voltage zero if…

A:

Q: Will metallic corrosion proceed when there is no applied potential at neutral aqueous environment?…

A: Yes metallic corrosion will occur but will slow in process because corrosion of metal is formation…

Q: Molten CaCl₂ can be electrolyzed to form metallic Ca. For what duration should an electrolysis be…

A: Faraday's first law :-  It states that, the amount of the substance deposited at the electrode is…

Q: Determine the time required to deposit 5.25 g of silver on a surface from a silver nitrate solution…

A:

Q: S ulate the mass of TI(I) that can be deposited as TI,O,(s) on an anode at a constant current of…

A: Faradays first law states that  chemical deposition due to flow of current through an  electrolyte…

Q: A container made of steel, having base dimensions of 100 x 150 mm and a wall thickness of 10 mm is…

A: Solution Corrosion is one in every of the foremost common phenomena that we have a tendency to…

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: A metallurgist want to gold-plate a thin sheet with the dimensions 1.5in, 8.5in, 0.0012 in. The gold…

A: Given, Length of thin sheet, l = 8.5 in Breadth of thin sheet, b = 1.5 in Height of thin sheet, h =…

Q: A small part with a surface area of 3.0 cm2 is plated with a gold coating that is 5.00x10-4 mm…

A: In gold plating, the chemical reaction occurs due to the passage of electric current in an ionic…

Q: 7) How long would it take to electrodeposit all the Cu2+ in 0.250 L of 0.210 M CuSO4 solution with…

A: The number of moles of Cu+ ions is calculated as,

Q: A solution containing Pt“t is electrolyzed with a current of 4.30 A. How long will it take to plate…

A: This above question is solved with the help of Faraday's first law..  1 Faraday = 96500 coulomb

Q: An unstirred solution of 2.00 M NaCl was electrolyzed for a period of 28.9 min and then titrated…

A: Concentration of NaCl = 2M Time duration of electrolysis = 28.9min Concentration of HCl = 0.314M…

Q: Purification of nickel can be achieved by electrorefining nickel from an impure nickel anode onto a…

A: GIVEN:  Mass of nickel=12.5KgCurrent passed through the cell=32.5 A. To Solve: calculate time in…

Q: What mass of platinum can be played onto an electrode dipped in Pt(NO3)2 solution if a 2.5 current…

A: The reaction taking place will be  Pt2+  + 2 e- ----> Pt  This is because we have Pt2+ in…