Chemistry Chemistry Practice Problems Solutions Library

Electroplating Solutions Library

Access 23 Electroplating video and text solutions to help you complete your homework.

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23 solutions

Electroplating

Q. An electrochemical cell (battery) consists of a Cu plate immersed in 100 mL of 0.055 M Cu2+ solution and a Zn plate immersed in 100 mL of 0.550 M Z...

Solved • Jan 6, 2020

Electroplating

Q. How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NiCl2 for 60.0 minutes? Enter your answer...

Solved • Dec 18, 2019

Electroplating

Q. Chromium can be electroplated from an aqueous solution containing sulfuric acid and chromic acid, H2CrO4. What current (A) is required to deposit c...

Solved • Dec 18, 2019

Electroplating

Q. When a solution containing M(NO3)3 of an unknown metal M is electrolyzed, it takes 74.1 s for a current of 2.00 A to plate out 0.107 g of the metal...

Solved • Dec 17, 2019

Electroplating

Q. Bars of iron are put into each of the three beakers as shown here.In which beaker - A, B, or C - would you expect the iron to show the most corrosion?

Solved • Jan 3, 2019

Electroplating

Q. ​When the Statue of Liberty was refurbished, Teflon® spacers were placed between the iron skeleton and the copper metal on the surface of the statu...

Solved • Jan 3, 2019

Electroplating

Q. Gold is produced electrochemically from an aqueous solution of Au(CN) 2- containing an excess of CN -. Gold metal and oxygen gas are produced at th...

Solved • Dec 4, 2018

Electroplating

Q. In 1973 the wreckage of the Civil War ironclad USS Monitor was discovered near Cape Hatteras, North Carolina. [The Monitor and the CSS Virginia (fo...

Solved • Dec 4, 2018

Electroplating

Q. Which of the following statements concerning corrosion is(are) true? For the false statements, correct them.a. Corrosion is an example of an electr...

Solved • Dec 4, 2018

Electroplating

Q. Copper can be plated onto a spoon by placing the spoon in an acidic solution of CuSO4(aq) and connecting it to a copper strip via a power source as...

Solved • Dec 4, 2018

Electroplating

Q. It took 2.30 min using a current of 2.00 A to plate out all the silver from 0.250 L of a solution containing Ag +. What was the original concentrat...

Solved • Dec 4, 2018

Electroplating

Q. A 1L solution containing 0.110 M NiCl 2(aq) and 0.200 M CuBr2(aq) is subjected to electrolysis.How much time would it take to selectively plate out...

Solved • Mar 27, 2018

Electroplating

Q. Which of the following metal(s), if coated onto iron, would prevent the corrosion of iron? a. Mn b. Al c. Sn  

Solved • Mar 19, 2018

Electroplating

Q. Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq) + 2e− → Zn(s) For a large b...

Solved • Mar 6, 2018

Electroplating

Q. What is the average current generated in the Cu(s) I Cu 2+(aq) II Fe3+(aq) I Fe(s) electrochemical cell if 50 g of Cu(s) are used up in a 24 hour p...

Solved • Apr 7, 2017

Electroplating

Q. Gold is electroplated by a current of 0.5 A for a period of 35 minutes from a solution containing the Au3+ ion.  What is the mass of gold deposited...

Solved • Nov 16, 2016

Electroplating

Q. What mass of silver can be plated onto an object in 33.5 minutes at 8.70 A of current? Ag+ (aq) + e – → Ag (s) a) 19.6 g b) 0.326 g c) 9.78 g ...

Solved • Apr 11, 2016

Electroplating

Q. A rechargeable battery is constructed based on a concentration cell constructed of two Ag/Ag+ half-cells. The volume of each half-cell is 2.0 L and...

Solved • Apr 8, 2016

Electroplating

Q. Make a sketch of an electrolysis cell that electroplates nickel onto other metal surfaces. Label the anode and the cathode and indicate the reactio...

Solved • Apr 8, 2016

Electroplating

Q. Determine whether or not each metal, if coated onto iron, would prevent the corrosion of iron. a. Mg b. Cr c. Cu

Solved • Apr 8, 2016

Electroplating

Q. Which, if any, of the following metals could be connected to an iron pipe to act as a sacrificial anode to help prevent corrosion of the pipe? Hint...

Solved • Apr 1, 2016

Electroplating

Q. What time is required to plate 2.08 g of copper at a constant current flow of 1.26 A?               Cu2+ (aq) + 2 e – → Cu (s) A. 41.8 min B. 8...

Solved • Mar 16, 2016

Electroplating

Q. Chromium metal can be plated from an acidic solution of CrO 3 CrO3 (aq) + 6 H+ (aq) + 6 e – (aq)  → Cr (s) + 3 H 2O How many grams of chromium wi...

Solved • Mar 16, 2016