Describes the bond angle of the water molecule during the transition from liquid to gas state. Also provides several examples and explanations for responses and answers given.

With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and entropy. The subject, absolute entropies, is discussed in addition to the third law of thermodynamics, phase...

A very descriptive site that allows students to understand the different states of matter at the atomic level. Also discusses the process of phase changes and displays phase change graphs. Thermochemistry is also touched upon for high...

The question "What is process called when gases go back to solids?" is discussed in detail. A comparison of the processes of sublimation, deposition and condensation is made.