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Acids and bases : Buffers and Hendersen-Hasselbalch

By: Sal Khan

Buffers and the Hendersen-Hasselbalch equation

Videos on chemistry (roughly covering a first-year high school or college course).

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States of matter : Chilling Water Problem

By: Sal Khan

How much ice at -10 degrees C is necessary to get 500g of water down to 0 degrees C?

Videos on chemistry (roughly covering a first-year high school or college course).

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Acids and bases : Acid Base Titration

By: Sal Khan

Using acid-base titration to find mass of oxalic acid

Videos on chemistry (roughly covering a first-year high school or college course).

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Orbitals and Electrons : Valence Electrons

By: Sal Khan

Looking at valence electrons to figure out reactivity

Videos on chemistry (roughly covering a first-year high school or college course).

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States of matter : States of Matter Follow-Up

By: Sal Khan

More on Plasma and Hydrogen bonds.

Videos on chemistry (roughly covering a first-year high school or college course).

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Acids and bases : Strong Acid Titration

By: Sal Khan

Strong acid titration and equivalence point

Videos on chemistry (roughly covering a first-year high school or college course).

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Periodic table, trends, and bonding : Groups of the Periodic Table

By: Sal Khan

Properties of alkali, alkaline earth and transition metals. Halogens and noble gases.

Videos on chemistry (roughly covering a first-year high school or college course).

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States of matter : Boiling Point Elevation and Freezing Point Supp...

By: Sal Khan

Raising or lowering the boiling or freezing point of a solution by adding solute.

Videos on chemistry (roughly covering a first-year high school or college course).

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States of matter : Covalent Networks, Metallic, and Ionic Crystals

By: Sal Khan

Covalent Networks, Metallic, and Ionic Crystals: Some of the strongest molecular structures.

Videos on chemistry (roughly covering a first-year high school or college course).

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Oxidation reduction : Introduction to Oxidation States

By: Sal Khan

Oxidation and reduction. Oxidation states.

Videos on chemistry (roughly covering a first-year high school or college course).

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States of matter : Phase Diagrams

By: Sal Khan

Understanding and interpreting phase diagrams

Videos on chemistry (roughly covering a first-year high school or college course).

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Oxidation reduction : Hydrogen Peroxide Correction

By: Sal Khan

Correcting an error in the last video regarding hydrogen peroxide.

Videos on chemistry (roughly covering a first-year high school or college course).

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Orbitals and Electrons : More on orbitals and electron configuration

By: Sal Khan

More intuition on orbitals. Touching on electron configuration.

Videos on chemistry (roughly covering a first-year high school or college course).

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Reaction rates : Reactions in Equilibrium

By: Sal Khan

Equilibrium reactions and constants.

Videos on chemistry (roughly covering a first-year high school or college course).

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States of matter : Specific Heat, Heat of Fusion and Vaporization

By: Sal Khan

Specifict heat and phase changes: Calculating how much heat is needed to convert 200g of ice at -10C to 110 degree steam.

Videos on chemistry (roughly covering a first-year high school or college course).

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Radioactive decay : More Exponential Decay Examples

By: Sal Khan

A few more examples of exponential decay.

Videos on chemistry (roughly covering a first-year high school or college course).

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Reaction rates : Keq derivation intuition (can skip; bit mathy)

By: Sal Khan

A more concrete attempt at showing how the probabilities of molecules reacting is related to their concentration.

Videos on chemistry (roughly covering a first-year high school or college course).

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Chemical reactions (stoichiometry) : Spectrophotometry Example

By: Sal Khan

Spectrophotometry Example - Determining concentration based on absorbance

Videos on chemistry (roughly covering a first-year high school or college course).

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Chemical reactions (stoichiometry) : The Mole and Avogadro's Number

By: Sal Khan

Introduction to the idea of a mole as a number (vs. an animal)

Videos on chemistry (roughly covering a first-year high school or college course).

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Radioactive decay : Exponential Decay Formula Proof (can skip, inv...

By: Sal Khan

Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. For students with background in Calculus. Not necessary for intro chemistry class.

Videos on chemistry (roughly covering a first-year high school or college course).

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