Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Organic chemistry: Oxidation of aldehydes using Tollens' reagent
Oxidation of aldehydes to carboxylic acids using Tollens' reagent. Organic chemistry Sal and Jay cover topics covered in college organic ch…
VideoFree9 minutes
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Organic chemistry: Friedel-Crafts acylation
Friedel-Crafts acylation reaction. Organic chemistry Sal and Jay cover topics covered in college organic chemistry course. Basic understand…
VideoFree11 minutes
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Chemistry: Heat of formation
Standard heat of formation or standard enthalpy change of formation. How heats of formation are calculated. Chemistry Did you know that eve…
VideoFree13 minutes
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Organic chemistry: Stabilization of a conjugate base: solvation
How the solvent affects the stability of a conjugate base Organic chemistry Sal and Jay cover topics covered in college organic chemistry c…
VideoFree4 minutes
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Chemistry: Practice determining oxidation states
Determining oxidation numbers in magnesium oxide and magnesium hydroxide. Chemistry Did you know that everything is made out of chemicals? …
VideoFree4 minutes
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Chemistry: Solubility and complex ion formation
Calculating the solubility of silver chloride in pure water and 3.0 M ammonia. Calculating new equilibrium constant to account for formatio…
VideoFree15 minutes
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Chemistry: Mini-video on ion size
Correcting a mistake and learning a bit about ion size Chemistry Did you know that everything is made out of chemicals? Chemistry is the st…
VideoFree3 minutes
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Chemistry: Titration of a weak base with a strong acid (continued)
Calculating the pH for titration of weak base, ammonia, with strong acid, HCl, at the equivalence point and past the equivalence point. Che…
VideoFree15 minutes
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Organic chemistry: Complex splitting
Predicting the splitting pattern when a proton has two different kinds of neighboring protons using a splitting tree. Organic chemistry Sal…
VideoFree8 minutes
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Organic chemistry: Preparation of amides using DCC
The mechanism for the formation of amides from carboxylic acids and amines using dicyclohexylcarbodiimide (DCC). Organic chemistry Sal and …
VideoFree12 minutes
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Chemistry: 2015 AP Chemistry free response 1d
Calculating which metal will transfer more electrons in a metal-air battery. From 2015 AP Chemistry free response 1d. Chemistry Did you kno…
VideoFree11 minutes
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Chemistry: Elementary rate laws
How to write rate laws for unimolecular and bimolecular elementary reactions. Chemistry Did you know that everything is made out of chemica…
VideoFree6 minutes
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Chemistry: Introduction to solubility and solubility product constant
Introduction to solubility, molar solubility, and solubility product constant Ksp. Example of calculating the solubility of lead(II) chlori…
VideoFree12 minutes
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Chemistry: Organic hybridization practice
Examples of identifying hybridization and geometry for atoms in organic molecules. Chemistry Did you know that everything is made out of ch…
VideoFree10 minutes
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Chemistry: Heterogeneous equilibrium
Ignoring the solvent or the solid state molecules when calculating the equilibrium constant. Chemistry Did you know that everything is made…
VideoFree9 minutes