Chemistry 30

The Concept of Equilibrium

In previous science classes you may have learned that one way to distinguish chemical changes from physical changes is that physical changes - such as the melting and freezing of water - are reversible but that chemical changes are not.  In this unit we will see that this simple answer is not necessarily what it seems.

Lesson

Topics

3

Le Châtelier's Principle

3.1 Le Châtelier's Principle
3.2 Changes in Concentration
3.3 Changes in Volume and Pressure
3.4 Changes in Temperature
3.5 Addition of a Catalyst