Free CLEP Chemistry Exam Prep

Atomic theory and structure, electron configuration, periodic relationships, nuclear chemistry, and chemical bonding including molecular geometry and intermolecular forces.

Gas laws and kinetic-molecular theory, liquids and solids, phase changes, and solutions including concentration units and colligative properties.

Periodic trends, properties of representative elements and their compounds, organic chemistry basics, and reactivity patterns of common substances.

Acid-base, precipitation, oxidation-reduction reactions, and the behavior of substances in aqueous solution.

Balancing equations, the mole concept, mass and volume relationships, limiting reactants, percent yield, and empirical and molecular formulas.

Laboratory techniques, measurement, significant figures, observations and data interpretation, and safety.

Dynamic equilibrium, Le Chatelier's principle, and equilibrium constants including Kc, Kp, Ksp, Ka, and Kb.

Enthalpy, Hess's law, entropy, Gibbs free energy, and the relationship between energy changes and spontaneity.

Reaction rates, rate laws, factors affecting rate, activation energy, and the role of catalysts.