CPALMS
Florida State University Cpalms: Florida Students: Physical and Chemical Changes
Explore the differences between chemical and physical changes, including some examples at the atomic level.
CPALMS
Florida State University Cpalms: Florida Students: Hot on the Trail
Learn what affect changing temperature has in regards to chemical reactions.
Simon Fraser University
Chem1 Virtual Textbook: The Direction of Spontaneous Change
With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and spontaneous change. Other topics covered include entropy, spontaneous macroscopic change, and more.