[Free Registration/Login Required] In the mole carnival, students count the number of atoms and particles in different objects found at the carnival. As students work to find the number of particles, they practice counting particles by...

This site deals with Amedeo Avogadro, his life, his contributions to chemistry, and his famous number.

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.

[Free Registration/Login Required] Determination of the Molarity of an Acid or Base Solution.

A very complete list of terms that are important to the study of gases. This resource is a web archive.