Chemistry

This unit explores the atomic theory of matter, learn about moles and molar mass, mass spectrometry, electron configurations, periodic trends, and more.

Leucippus, Democritus & Atomic Theory 0:09, Discharge Tubes 1:52, Ernest Rutherford & The Nucleus 4:22, Chemistry = Math 7:22, Niels Bohr Model 5:32, Heisenburg & Quantum Theory 6:35

This unit examines how atomic structure relates to the macroscopic properties of substances. Learn about chemical bonding, Lewis diagrams, resonance and formal charge, VSEPR, and more.

Interactive model

Common chemical compounds with their molecular weights.

Organic, inorganic and polymer nomenclature brief guides.

This unit explores the factors that determine the physical properties of matter. Learn about intermolecular forces, the ideal gas law, solutions and mixtures, chromatography, and more.

Interactive simulations of solids, liquids, and gases for deeper understanding of their properties and transitions.

common solubility rules of chemistry, which state which anions and cations are usually soluble, and which aren’t

This unit introduces chemical reactions, the processes that create and transform matter. Learn about net ionic equations, reaction stoichiometry, titration, common reaction types, and more.

Learn about the numerical mole to be able to make predictions about reactions.

This unit focuses on rates of change in chemical reactions and the factors that influence them. Learn about rate laws, reaction mechanisms, collision theory, catalysis, and more.

reaction rates, rate laws and reaction orders, the method of initial rates, integrated rate laws, half-life, first-order, second-order, and zeroth-order reactions, radioactive decay.

This unit examines the role of energy in physical and chemical processes. Learn about heat transfer, calorimetry, enthalpy of reaction, Hess’s law, and more.

This unit explores the how and why of chemical equilibrium. Learn about reversible reactions, the equilibrium constant, Le Châtelier's principle, solubility equilibria, and more.

This unit examines the role of chemical equilibrium in acid–base chemistry. Learn about pH and pOH, weak acids and bases, buffers, acid–base titrations, and more.

Learn about electrochemical concepts using interactive simulations

The unit connects the areas of kinetics, thermodynamics, equilibrium, and electrochemistry. Learn about entropy, Gibbs free energy, cell potential, electrolysis, and more.