Acids, Bases and Buffers | Full Topic | A level Chemistry Masterclass

Acids, Bases, and Buffers | A Level Chemistry Masterclass This comprehensive A Level Chemistry masterclass covers the entire Acids, Bases, and Buffers topic in one video. From understanding the core definitions to mastering pH calculations, equilibria, and buffer solutions, this video is your ultimate guide to Physical Chemistry. Tailored for AQA, yet applicable to all exam boards, this lesson is packed with examples, explanations, and calculations to help you excel in your exams. Timestamps 00:00:05 Introduction 00:00:47 Definitions of Acids and Bases | Arrhenius | Brønsted-Lowry | Lewis 00:01:56 Concentrated vs Dilute | Strong vs Weak 00:04:10 Acid Reactions: Carbonate, Oxide, Hydroxide, and Metal 00:06:32 Acid-Base Equilibria 00:09:37 What is pH? 00:12:32 pH of Strong Acids 00:14:20 Diprotic Acids 00:15:58 Pure Water | The Ionic Product of Water, Kw 00:19:20 Kw and Temperature 00:22:02 pH of Strong Bases 00:24:18 pOH 00:26:12 pH Changes during Dilution 00:29:20 Dissociation Constant, Ka 00:30:58 Weak Acids and the Ka Expression 00:34:50 pH of Weak Acids 00:36:21 pH of Weak Acids Example Calculation 00:37:55 pKa 00:40:20 Generating pH curves from an experiment 00:42:24 pH Curves - adding base to acid 00:45:35 pH Curves - adding acid to base 00:47:22 Indicators 00:49:59 Selecting an indicator for a titration 00:52:34 The half-equivalence point 00:54:47 Using the half-equivalence point to identify an acid 00:56:23 pH of Mixtures 01:01:41 pH of a mixture | Strong acid in excess 01:03:53 pH of a mixture | Strong base in excess 01:06:02 pH of a mixture | Weak acid in excess 01:08:26 What are buffers? | Components of buffer solutions 01:09:51 How buffers work - general overview 01:11:52 Acidic buffer action explained 01:13:27 Buffers on pH curves 01:15:22 Basic buffer action explained 01:17:17 Calculating buffer pH made simple 01:20:10 Buffer pH: Using concentration 01:21:21 Buffer pH: Using moles 01:23:32 Buffer pH: Reaction of a strong base with excess weak acid 01:27:07 Adding acid or base to a buffer solution 01:30:00 Buffer pH: After adding acid or base Comprehensive Overview In this video, you will learn: *The definitions of acids and bases by Arrhenius, Brønsted-Lowry, and Lewis. *pH calculations for strong and weak acids, strong bases, and mixtures. *How to generate pH curves and select the correct indicator for titrations. *The science of buffers, including their components, function, and calculations. *By the end of this masterclass, you'll have all the tools you need to tackle exam questions with confidence and deepen your understanding of Physical Chemistry. Explore More: • Physical Chemistry Year 1 Explanation videos Playlist: https://youtu.be/VrNm5EsHkxY?si=dATi4sRA1vTY-pxo • Physical Chemistry Year 2 Explanation videos Playlist: https://youtu.be/dYr_mUPl5So?si=kWwZ4WLb3Afcftzm • Physical Chemistry Exam Question Walkthrough Playlist: https://youtu.be/J2dJd8a7wz4?si=tILqFdaUfh2GlNYa • Physical Chemistry Multiple Choice Walkthrough Playlist: https://youtu.be/P17XFNPH2Ss?si=HnJ67MOkmGU2Pgec Connect with Us Instagram: @chemistrytutor123 TikTok: @chemistrytutor123 Email: [email protected] Hashtags #acidsandbases #alevelchemistry #physicalchemistry #BuffersExplained #phcalculations #chemistrymasterclass #chemistryrevision #chemistryhelp #aqaalevel #chemistrytutor