This power point describes the second driving force of chemical reactions. Gibbs free energy is also introduced as a mathematical relationship between enthalpy and entropy and how you can use it to predict the spontaneity of a chemical reaction.
Entropy AND Free Energy Power Point
Part two describes the relationship among G, S and H.
Computer Tutorial - Entropy
View this computer tutorial as an introduction to the concept of entropy. Be sure to attempt all example problems. Take notes as you watch and keep track of any questions you may have.