A nice page of links to follow for learning about moles. Contains links to sites that have explanations of moles and molar mass, practice problems, and more.

The ideal gas law is presented and explained. The derivation of other gas laws is performed. Gas behavior is explained in terms of gas laws. Excellent graphics.

Heat is defined and explained; the concept of heat is related to the kinetic motion of particles and to temperature. Heat capacity and specific heat are explained. Sensible heat is compared to latent heat; reference is made to the heat...