Electrolysis & Electroplating Practice Problems - Electrochemistry

This chemistry explains how to solve quantitative problems associated with the electrolysis of water and the electroplating process with metals such as copper, nickel, iron, and zinc. This video explains how to calculate the mass of nickel that can be deposited onto the cathode given the electric current in amps and time in seconds. It explains how to calculate the electric current and the time as well as identifying the unknown metal and calculating the volume of Oxygen gas produced at STP in an electrolysis process. This video contains plenty of examples and practice problems.
Intro to Galvanic & Voltaic Cells:
• Introduction to Galvan...
How To Draw Galvanic Cells:
• How To Draw Galvanic C...
Standard Reduction Potentials:
• Standard Reduction Pot...
Cell Potential Problems:
• Cell Potential Problem...
Cell Notation Problems:
• Cell Notation Practice...
___________________________________
Concentration Cells:
• Concentration Cells & ...
Cell Potential & Gibbs Free Energy:
• Cell Potential & Gibbs...
Cell Potential & Equilibrium K:
• Equilibrium Constant K...
Nernst Equation:
• Nernst Equation Explai...
Electrolysis of Water:
• Electrolysis of Water ...
_____________________________________
Electrolysis of Sodium Chloride:
• Electrolysis of Sodium...
Electrolysis & Electroplating Problems:
• Electrolysis & Electro...
Electrochemistry Practice Problems:
• Electrochemistry Pract...
SAT Chemistry Subject Test Review:
• SAT Chemistry Subject ...
Carbon -14 Dating:
• Carbon 14 Dating Probl...
Beer Lambert's Law:
• Beer Lambert's Law, Ab...
______________________________________
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The way you are writing your equations up is so beautiful. I never saw something like that. thank you for showing me how to do it

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[@kristelmaefortes8420]

Can you please tackle about Faraday's laws. This will be very helpful :) Thank you.

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[@pawankumar-wt4fn]

In last question how you write the equation can you please explain

[@emmanuelwinner8973]

Good one

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[@nabeelateama827]

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[@con-0310]

Thanks

[@aradhyasaraf_]

What is the exact formula we're using here? Can anyone tell?

[@user-bb7pp4bi6v]

m = itM/zf
m = mass
I = current
M = molar mass
Z = number of moles
F= Faraday constant

[@lillybar9958]

and the surface of the piece to be plated never intervenes?

[@lestergulfo]

THANKSSS

[@yididiyazerihun3309]

Pealse we need Faraday's first and second law explanation .

[@godmode6263]

Can someone comment some galvanizing iron by zinc by dipping question problem with answer. Plssss.

[@samuelmamara1055]

Hello sir how are? Actually your lesson have really started improving my studies, however i may want to know what determies a metal to be at the anode or cathode whe drowing a galvanic cell? Thanks very much

[@brianpark6299]

💀💀💀 might be too late but it is determined by which metal is being oxidized, and the metal that is being oxidized will be the anode

[@congyu3396]

the lowest or more negative SRP value tends to be the anode while the more positive one tends more to be the cathode in a galvanic cell, if only the half-reactions are given

[@hermeschi]

Anode(+ electrode ) attracts anions ( - charge ions ).
Cathode (- electrode ) attracts cations (+ charge ions).
Metals are usually positive charged so they usually go to the cathode.

[@jirisana9060]

Hi guys,
I would like to ask for help with electroplating, specifically nickel and copper plating. I need to coat some small pieces of both black steel and stainless steel. I bought nickel sulfate and copper sulfate and pure nickel (99.9%) for this purpose. As the copper anode, I used the electric wire.
I dissolved nickel sulfate and copper sulfate separately in two containers in hot distilled water (I did not weigh the water to sulfate ratio), connected pure nickel (or copper wire in a second way) to the anode (+) and my steel object to the cathode (-) and set three volts on the source (I also tried some other voltage setting between 2 volts and 6 volts). My steel peace was degreased (I used both strongly degreasing alkaline bath or simply dishwashing detergent).
My results in the case of nickel plating (for both black and stainless steel): steel pieces are coated by the very thin BLACK layer that can be cleaned with a sponge for dishes under running water.
My results in the case of copper plating (I tried only black steel): steel pieces are coated by a rapidly increasing copper layer (I do not need to turn on the power source, just dip the steel object in the copper sulfate solution, and the cooper appears on the surface). Unfortunately, this cooper coat can be simply removed under running water only by rubbing the hand. Copper is not firmly attached to the steel.
Can you help me where I do something wrong? I will be very grateful for any advice.

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[@francesegwuogu4632]

This has to be the only video I have watched from you, that I couldn’t understand. Im sorry

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You just have to be familiar with some basics.

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[@lloydbenablo4001]

how to know how many mol of electron a certain element has?

[@Ali-kg8jh]

Look at their redox reactions on an electrochemical series.

[@anandharaj1436]

Sir please give us specific resistanc, equivalent conductance, molar conductance

[@Mateo.s.a.m.a]

Your puting all the calculations in one step and i cant keep up, could you please break it down more?

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[@ziadanwar5296]

huh, my reference book puts 1 mol e- =96500 C

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Ah yes, 1L=1000mL

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College is no longer necessary

[@tensor5113]

But im learning this in highschool.-.

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[@tensor5113]

@@azizahkasim5267 california while I was 16

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[@tonitoyobo3050]

This explanation is not very comprehensive in my opinion, I don't think the solving process needs to be this complex

[@stepanbmw]

Use second Faraday's law: m=(ItM)/(zF). I is current, t is time, M is molar mass, z are the exchanged electrons, F is constant, m is the mass plated

[@schrodingersgunna6390]

What asspull

[@YorMom07]

@@stepanbmwthis was honestly so helpful thank u sm

[@jawaherhamed2492]

But mole is 196500

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midterm in 10 hours

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Way way over thinking it. You lost me at the beginning. U are to smart for me

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my professor , is the actual worst theses vids and the text i how I learn