Acids and Bases - Basic Introduction - Chemistry

This chemistry video tutorial provides a basic introduction into acids and bases. It explains how to identify acids and bases in addition to how they react with water. It discusses how to identify the conjugate acid and conjugate base of molecules. Finally, it covers the pH scale and provides some equations and formulas needed to perform common acid base calculations such as calculating the pH or pOH of the solution. It also discusses the difference between strong acids and weak acids. Strong acids ionizes completely and require a single arrow in a chemical reaction. Weak acids ionizes partially in solution and require a double arrow to indicate equilibrium or reversibility in a chemical reaction. This video contains plenty of examples.
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Пікірлер: 456

  • @TheOrganicChemistryTutor
    @TheOrganicChemistryTutor2 жыл бұрын

    Chemistry PDF Worksheets: www.video-tutor.net/chemistry-basic-introduction.html Full-Length Videos & Exams: www.patreon.com/MathScienceTutor/collections Direct Link to The Full Video: bit.ly/3io4Edv

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  • @NoahNoah-study
    @NoahNoah-study9 ай бұрын

    🎯 Key Takeaways for quick navigation: 00:01 🧪 Acids can be identified by having a hydrogen in front of them, while bases typically have a hydroxide ion or a hydrogen attached to a metal. 01:34 🧪 Arrhenius acids release H+ ions into solution, forming hydronium ions, while Arrhenius bases release hydroxide ions. 02:21 🧪 Bronsted-Lowry acids are proton donors, bases are proton acceptors in acid-base reactions. 03:40 🧪 In reactions, conjugate acids form from bases, and conjugate bases form from acids. 06:36 🧪 The pH scale measures acidity: pH 7 is basic. 07:19 🧪 pH + pOH always equals 14 at 25°C. H3O+ concentration = 10^(-pH), hydroxide concentration = 10^(-pOH). 07:55 🧪 Strong acids fully ionize, weak acids partially ionize. Strong bases are soluble and fully ionize, weak bases do not. 08:38 🧪 Common strong acids include HCl, HNO3, H2SO4, and HClO4. Weak acids include HF, and most others. 09:50 🧪 Oxyacids follow a trend: more oxygen atoms make the acid more acidic. 10:38 🧪 Strong acids produce hydrogen gas when reacting with metals; weak acids do not. 12:03 🧪 Strong bases fully ionize in solution, while weak bases only partially ionize. 14:24 🧪 Water can act as an acid (donate H+) or a base (accept H+), making it amphoteric. 18:40 🧪 Acid indicators turn blue litmus red, base indicators turn red litmus blue. 20:38 🧪 Acids react with active metals to produce hydrogen gas; not all metals react with acids. 21:52 🧪 Ka is the acid dissociation constant, while Kb is the base dissociation constant. 23:44 🧪 Water's autoionization, where water molecules act as both acids and bases, is described by the Kw expression. 25:44 🧪 Amphoteric substances can act as both acids and bases depending on the reaction conditions. 29:11 🧪 The ion product of water (Kw) is temperature-dependent and equals 1 x 10^(-14) at 25°C. 30:06 🧪 pH and pOH equations depend on temperature; usually assumed 25°C. 30:48 🧪 Ka * Kb = Kw at 25°C (1e-14); useful for calculating Kb from known Ka. 31:30 🧪 Various equations interrelate pH, pOH, Ka, Kb values. 32:29 🧪 Calculating pH from H3O+ concentration using -log formula. 33:09 🧪 pOH calculation and its relationship to pH (pH + pOH = 14). 33:39 🧪 Hydroxide ion concentration calculation from pOH. 34:11 🧪 Calculating pOH from hydroxide ion concentration. 34:45 🧪 pOH estimate based on exponent for weak acids or bases. 35:07 🧪 Calculating H3O+ ion concentration from pH. 36:29 🧪 Calculating hydroxide ion concentration from hydronium ion concentration using Kw. 37:39 🧪 Calculating pKa from Ka (negative log of Ka). 38:50 🧪 Calculating pKb, then Kb from pKb (pKb = 14 - pKa). 40:51 🧪 Identifying true statements about acids and bases. 45:11 🧪 Understanding acid strength based on Ka and pKa values. 52:20 🧪 Definitions of acids and bases by Arrhenius, Bronsted-Lowry, and Lewis. 56:01 🧪 Lewis acid-base interactions involve electron pair transfer. 57:45 🧪 High positive charge metal ions act as Lewis acids; bond with lone pair electrons.

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    The way that this channel carries my biochem degree on its shoulders😥

  • @bleepblop361
    @bleepblop3612 жыл бұрын

    this guy never misses. thanks for saving my life

  • @ayodelemauton8538
    @ayodelemauton8538 Жыл бұрын

    He makes it look so easy

  • @jackalninezeronine
    @jackalninezeronine2 жыл бұрын

    My textbook is useless, so the videos are greatly appreciated.

  • @Em-vz6mv
    @Em-vz6mv7 ай бұрын

    You are theeeee best STEM teacher!

  • @Uhhhnvm
    @Uhhhnvm5 ай бұрын

    So helpful thank you so much!!!!

  • @maibarak1921
    @maibarak19213 жыл бұрын

    thank you for existing

  • @crabsaresilly8317

    @crabsaresilly8317

    11 ай бұрын

    Round maria cycle noisy fossit when you

  • @sirsauron2856
    @sirsauron28563 жыл бұрын

    best channel 💯 ever

  • @fays04
    @fays043 жыл бұрын

    bro. my exams is next week and i was just thinking to relearn this. HOW??!

  • @jayson2157
    @jayson21573 жыл бұрын

    Thank you so much.This is really helpful😎

  • @jowlesclarens8625

    @jowlesclarens8625

    3 жыл бұрын

    Oten liit

  • @ashrafelias9780
    @ashrafelias97802 жыл бұрын

    thank you so much because you make the subject very easy

  • @thomashelsign7753
    @thomashelsign77532 жыл бұрын

    very nice i learned a lot

  • @crabsaresilly8317

    @crabsaresilly8317

    11 ай бұрын

    Theruhn..

  • @dreadfulghoul
    @dreadfulghoul2 жыл бұрын

    Sir, respectfully, I love you

  • @depikadeepu3982
    @depikadeepu39822 жыл бұрын

    Thank you for video