Hess's Law of Constant heat Summation

Hess's Law of Constant heat Summation

The law is based on the principle of conservation of energy and the path independence of energy changes. Hess's law can be used to predict energy changes that are not easily measured.

Solving Boyles and Charles Gas Law Problems

How to set up and solve Boyle's and Charles' Law problems, with the algebra and rounding off of answers fully explained.

The Gas Laws

This video goes through the theories of Boyle, Charles and Gay-Lussac and how the equations are arrived at.