Entropy and Free Energy

24.11.1999

Click here to start

BACK
 
 

Table of Contents

Entropy and Free Energy (Kotz Ch 20) - Lecture #2 

Entropy and Free Energy ( Kotz Ch 20 ) 

Product-Favored Reactions 

Non-exothermic spontaneous reactions 

PROBABILITY - predictor of most stable state 

Standard Entropies, So 

Entropy and Phase 

Entropy and Temperature 

Entropy and complexity 

Entropy of Ionic Substances 

Entropy Change in a Phase Changes 

Calculating ?S for a Reaction 

2nd Law of Thermodynamics 

Calculating ?S(universe) 

Calculating ?S(universe) (2) 

The Laws of Thermodynamics 

Gibbs Free Energy, G 

Standard Gibbs Free Energies, ?Gof 

Sign of DG for Spontaneous processes 

Sign of Gibbs Free Energy, ?G 

Gibbs Free Energy changes for reactions 

Methods of calculating ?G 

Calculating DGorxn 

Calculating DGorxn for NH4NO3(s)  

DGorxn for NH4NO3(s) ? NH4NO3(aq) 

Calculating DGorxn 

Free Energy and Temperature 

?Go for COUPLED CHEMICAL REACTIONS 

Other examples of coupled reactions: 

Thermodynamics and Keq 

?Grxn versus ?Gorxn  

Thermodynamics and Keq (2) 

Thermodynamics and Keq (3) 

Thermodynamics and Keq (4) 

Thermodynamics and Keq (5) 

Entropy and Free Energy (Kotz Ch 20)

Author: J. Kotz 

Email: okayo@itu.edu.tr