Chemistry
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Professor Sylvia Ceyer concludes her discussion of acid/base titrations and moves onto the guidelines for assigning oxidation number. After defining the terms oxidation, reduction, oxidizing agent, and reducing agent, Professor Ceyer explains how to balance a redox reaction.
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Acetic Acid to Acetyl Chloride mechanism. Can be generalized to forming any acid halide from a carboxylic acid.
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Professor Sylvia Ceyer discusses the classification of acids and bases as they are defined by Arrhenius, Bronsted-Lory, and Lewis acid/base. The pH function (and pOH function) are defined as they relate to the strength of acids and bases (in water). Professor Ceyer then runs through the types of acid-base problems and concludes by discussing equilibrium involving weak acids.
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Professor Sylvia Ceyer continues her discussion of acid-base equilibrium, diving into buffers. The lecture concludes with the Henderson-Hasselbalch equation and its use in designing a buffer.
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Professor Sylvia Ceyer discuses titrations involving a strong acid and a strong base. Defining the point and equivalence and the end point. The lecture continues with a focus on calculating points on a pH curve, specifically calculating pH before the equivalence point, calculating volume of HCl needed to reach equivalence point, and calculating pH after the equivalence point. Finally, Professor Ceyer discusses characteristics of...more
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Acids and Bases: Arrhenius, Bronsted-Lowry, and Lewis Definitions, Acid Strength and pH
MIT / Chemistry
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Addition of Water (Acid-Catalyzed) Mechanism.
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Alcohol Properties.
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Naming alcohols.
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Aldehyde introduction.
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