Post on 24-Dec-2015
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 1
Spontaneity
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 2
Microstates of a System
Suppose you have four dissimilar balls and two different boxes. How many ways are there to distribute the balls among the boxes?
11+5
(Distribution I and II will transpose to give 5 further arrangements)
Number of the arrangements is the number of microstates of the
system - 16
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 3
Changes in Entropy
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 4
Change in Entropy of Surroundings
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 5
Absolute Entropy
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 6
Convention for Standard States
Energy, Free Energy, and Equilibrium
General Chemistry II CHM 112 Dr Erdal Onurhan Slide 7
Factor Affecting Sign of G