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This video defines intermolecular forces, and discusses the mechanism and relative strength of the five intermolecular forces: dipole-dipole force, hydrogen bonding intermolecular force, dispersion force, dipole-induced dipole force, and ion-dipole force

Video~ Alka Seltzer Reacting with Water at Three Different Temperatures

This video explains the concept of half-life as it applies to chemical reactions - the time it takes for half of the original concentration of reactant to be converted to product. The video also explains the relationship between reaction order and half-life, and goes through several examples of first order kinetics and half-life

This video describes the process of using the analysis of concentration vs. time data for a reaction to determine the integrated rate law for a reaction. When the form of the integrated rate law is known, the reaction order and the value for the rate law constant, k, can be determined.

This video reviews writing electron configurations and orbital diagrams for electrons in atoms with an atomic number greater than 56. The "exceptions" to the Aufbau rule at 4f/5d and 5f/6d are described.

This video works through four different acid-base reactions and the calculations that are often associated with them, such as calculating the pH of the reaction between a given amount (M x V) of acid with a given amount (M x V) of base. Examples include: strong acid vs. strong base, weak acid vs. strong base with excess weak acid after reaction, weak acid vs. strong base at the equivalence poin...

This video introduces acid-base neutralization reactions, including those that involve weak acids or weak bases. The videos explains what makes a salt neutral, acidic or basic, and takes the viewer through four scenarios of acid-base reactions: strong acid strong base, weak acid strong base, weak base strong acid, and weak acid weak base. The video goes on to look at acid base titrations and th...

This video reviews how the structure of acids and bases relate to the relative strengths of the acid/base.

This videos shows examples of three calculations with acid/base equilibria: finding Ka from initial concentration and pH(pOH), finding equilibrium concentrations from initial concentration given Ka, and calculating percent dissociation.

This video recaps strong acids, strong bases and pH/pOH from AP Chemistry Unit 4, and introduces the concepts of weak acid and base equilibria in Unit 8.

This video introduces entropy as one of the two driving forces behind processes in chemistry. It goes on to discuss absolute entropy of substances and entropy changes for chemical and physical processes. Finally, the video introduces the concept of thermodynamic favorability as a prelude to a discussion of Gibbs Free Energy.

This video defines percent composition and describes how to determine the percent composition of a compound from its chemical formula. Several applications of percent composition are also discussed.

This video goes over a sample problem for writing the rate law for a reaction mechanism with a slow second step.

This video describes the process for determining the rate law for a reaction using the method of initial rates (often called the differential rate law).

Titration Curve~ Strong Acid (HCl) vs Strong Base (KOH)

Lewis Dot Diagrams for Covalent Compounds

Stoichiometry for AP Chemistry, Topic 4.5

Electrons in Atoms Part 2 - Writing Electron Configurations

Light and Energy Relationships and Problems

The Photoelectric Effect

Using Formal Charge to Evaluate Lewis Diagrams

Drawing Lewis Diagrams for Covalent Compounds