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
@namatmahm28992 жыл бұрын
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@ynwrapstar Жыл бұрын
Much appreciated king.. I'm noting this one is most useful as it complies to the basic of acids n bases ❤
@AndrewPhiri-wm3qy Жыл бұрын
we really appreciate
@marawatv58713 ай бұрын
good
@NoahNoah-study Жыл 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 acidic, pH = 7 is neutral, and 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.
@musicmakesmehappy2 Жыл бұрын
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FR FR
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Me too, I literally have hours to go
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congrats! what grade did you make?
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@Sarahaldah2 жыл бұрын
Fr
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Uni??? Bro we are taught this stuff and are supposed to know it and I am not even in high school(senior secondary in India ) yet I’ll be in highschool next year
@SophiiAnne Жыл бұрын
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@suzannepassero66212 жыл бұрын
Great basic intro to acids and bases. I show it to students I tutor in chemistry (especially visual learners). I encourage them to turn on closed captions, stop the video if needed and take notes as he teaches. Thank you Organic Chem Tutor!
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Yo that -log trick with looking at the exponent to predict pH is so helpful
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How can I get the video on this topic?
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to make it more fun
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@marianmarian10913 жыл бұрын
12:28 are you sure aluminum hydroxide is a base? beacuse not every hydroxide is a base and I think that's Al (OH) 3 has amphoteric properties. correct me if Im wrong :)
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Thank you
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my textbook just defined acids, salts, bases and hydroxides in 3 lines -.- I'm so thankful for an explanation in which I actually get the information to identify them. Thank you!
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Update?
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Really Helped me during my last moments of revision
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@WouekamChelseaLena10 күн бұрын
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Can u say what happen when HCL is reacted with H2SO4
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@kisho2679 Жыл бұрын
Why it's relevant to distinguish Acid vs Base: In which applications and in which situations this differentiation becomes relevant?
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