Kinetics, activation energy, activated complex and catalysts.
Videos on chemistry (roughly covering a first-year high school or college course).
Looking at valence electrons to figure out reactivity
Introduction to molecular and empirical formulas. Calculating molecular mass.
Specific Heat Capacity and Enthalpy of Vaporization example
Introduction to Exponential Decay
Arrhenius, Bronsted Lowry, and Lewis Acids and Bases.
Calculating the pH or pOH of strong acids and bases.
Using acid-base titration to find mass of oxalic acid
Correcting a mistake and learning a bit about ion size
More practice calculating oxidation states
Equivalence point when titrating a weak acid
More on Plasma and Hydrogen bonds.
Redox reactions to drive Galvanic Cells.
Buffers and the Hendersen-Hasselbalch equation
Spectrophotometry Example - Determining concentration based on absorbance
Understanding and interpreting phase diagrams
The pKa and pKb relationship between conjugate acids and bases (both of which are weak).
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.
A more concrete attempt at showing how the probabilities of molecules reacting is related to their concentration.
A probabilistic look at how molecules react to develop the intuition behind the equilibrium constant formula.