Electrolytic Cells - Nonspontaneous Redox Reactions

Leah4sci.com/Electrochem presents: Electrolytic Cells
📺Watch Next: Galvanic/Voltaic Cells • Galvanic / Voltaic Ele...
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In this video, you’ll learn how an electrolytic cell uses an external energy source to power a nonspontaneous, highly unfavorable redox reaction.
I’ll show you how to identify the half-reactions performed at the anode and cathode, as well as how to understand the charges on each of those electrodes.
You’ll also learn to draw all of the components of the cell, in detail, and recognize the major differences between the galvanic/voltaic cell and the electrolytic cell.
↪ Links & Resources Mentioned In This Video ↩
▸Electrochemistry Series Leah4sci.com/electrochem
▸Oxidation and Reduction Reactions • Oxidation and Reductio...
▸Balancing Redox Reactions • Introduction to Balanc...
▸Gel Electrophoresis (coming later on) Leah4sci.com/Labs
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⏱ In this video:
[0:13] Why Electrolytic Cells?
[1:12] Definition of Electrolysis
[3:01] Half Reactions for Example Electrolysis
[4:36] Battery as Energy Source
[5:03] Diagram of Electrolytic Cell
[8:20] Flow of Electrons in the Cell
[11:07] No Need for Salt Bridge
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Пікірлер: 38

  • @jerencalingasan4983
    @jerencalingasan49838 ай бұрын

    This video seriously deserves more credit, it is so simple and concise, thankyou so much!

  • @Leah4sciMCAT

    @Leah4sciMCAT

    8 ай бұрын

    Glad you liked it and you're so welcome!

  • @Kr0nk0Dud3
    @Kr0nk0Dud3 Жыл бұрын

    this was SO helpful! thank you!!!

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Жыл бұрын

    I'm so glad! You're welcome!

  • @jsg2793
    @jsg2793 Жыл бұрын

    Thank you for your clear cut lectures!

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Жыл бұрын

    You're welcome! Happy to help.

  • @Uwgsu8
    @Uwgsu8 Жыл бұрын

    The phone analogy really helped me to grasp how these two cells are intertwined, thank you

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Жыл бұрын

    So glad to hear that! You're welcome.

  • @mamadjafar792
    @mamadjafar792 Жыл бұрын

    Thank you You made it so simple to understand Thank you so so much

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Жыл бұрын

    You're so welcome! :)

  • @kayladixon7819
    @kayladixon7819Ай бұрын

    The formating and colors were so helpful.

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Ай бұрын

    So glad you liked it and found it helpful!

  • @semhararadom1491
    @semhararadom1491 Жыл бұрын

    Keep it up.Thank you

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Жыл бұрын

    You're welcome!

  • @samhobby654
    @samhobby654 Жыл бұрын

    Love it..❣️ keep it up

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Жыл бұрын

    Thank you! I plan on it. :)

  • @balajinandhagopal5502
    @balajinandhagopal55025 ай бұрын

    Found a great video loved ❤ your content 🎉

  • @Leah4sciMCAT

    @Leah4sciMCAT

    4 ай бұрын

    Yay! Thank you!

  • @Simple-qe7ic
    @Simple-qe7icАй бұрын

    Life saver

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Ай бұрын

    So happy to help!

  • @coffeecuppepsi
    @coffeecuppepsi2 жыл бұрын

    Question! I was reading that some alkaline cells contain potassium hydroxide as the electrolyte. i also found out that potassium hydroxide is the electrolyte used in alkaline fuel cells, the first one made by Francis Thomas Bacon used potassium hydroxide. Have you seen or heard about someone making a fuel cells using the contents from alkaline cells?

  • @Leah4sciMCAT

    @Leah4sciMCAT

    2 ай бұрын

    I'm not familiar with this

  • @ayehellothere
    @ayehellothereАй бұрын

    Thankss for the vdo

  • @Leah4sciMCAT

    @Leah4sciMCAT

    Ай бұрын

    You're welcome!

  • @tehseenrehman2233
    @tehseenrehman22332 ай бұрын

    Can you make a vedio on diffrence between galvanic and electrilytic cells

  • @Leah4sciMCAT

    @Leah4sciMCAT

    2 ай бұрын

    I'm actually working on it right now and hope to publish in May.

  • @user-pm3lq4hp1t
    @user-pm3lq4hp1t8 ай бұрын

    Questions. So instead of Pt electrodes we instead used Li metal oxide and graphite for the electrodes. Would external power source orientation, which in this case the battery, matter? Would you place the positive end of the external battery souse on the Li metal oxide or graphite? Finally if you were to flip the external battery source to where the positive end is now in contact with the graphite would it still charge?

  • @Leah4sciMCAT

    @Leah4sciMCAT

    2 ай бұрын

    If you're dealing with a mixed open system as we have here, and your electrodes are non-reactive but conductive, then I don't see how it matters which side is connected to which electrode, however if your electrodes are chosen specifically for how they interact with the anode or cathode, OR if your system is separated into half-cells, then yes, the orientation absolutely matters

  • @mischawilde7674
    @mischawilde76748 ай бұрын

    great video! but what would the electrodes be in this example?

  • @Leah4sciMCAT

    @Leah4sciMCAT

    8 ай бұрын

    I'm unsure of exactly what you're asking. The electrodes are drawn and explained in the video's example. You can see both the anode and cathode present in the full depiction around 9:30. They are inert and present in the same container with no fear of a spontaneous reaction happening outside of them.

  • @MaryOsire
    @MaryOsire Жыл бұрын

    Thank you so much! Will you be filming a video on the differences between voltaic and electrolytic soon?

  • @MaryOsire

    @MaryOsire

    Жыл бұрын

    @@Leah4sciMCAT thank you!! ☺️

  • @Leah4sciMCAT

    @Leah4sciMCAT

    2 ай бұрын

    I'm working on it right now, a bit later than planned. It will be posted here on my channel as well as my website leah4sci.com/electrochem

  • @henriqueserra3233
    @henriqueserra323310 күн бұрын

    Just to check if I got that right haha Basically, in here, the (-) side of the cell is giving electrons to the +ions by the cathode, and the (+) side is receiving electrons from the -ions by the anode. The cathode is reducing ions, and the anode oxidizing them. In the galvanic cell, the cathode is still reducing, but it's reducing what exactly, the anode? So, the metal in the cathode goes to the ion form, getting itself oxidized while reducing the anode, which is oxidizing the cathode while reducing the +ions in the other solution? I am a bit lost in this one Is everything right?

  • @Leah4sciMCAT

    @Leah4sciMCAT

    9 күн бұрын

    I'm working on a comparison video that goes into detail about the differences. I hope to have it out in a few days

  • @henriqueserra3233

    @henriqueserra3233

    9 күн бұрын

    @@Leah4sciMCAT Already got my exam haha but thanks, I will check it

  • @AnkitaSinha-wi8go
    @AnkitaSinha-wi8goАй бұрын

    Mam can you plss make a video regarding how battery work like when we connect anode to + terminal of battery why anode gets positive charge and mam how battery provide current in circuit plsss mam i am very confused!!... ❤❤❤❤❤

  • @Leah4sciMCAT

    @Leah4sciMCAT

    25 күн бұрын

    That's actually my very next video which I hope to publish in a few days. Make sure to check back by Tue/Wed so you don't miss it