Arkansas State University
Department of Chemistry
and Physics
Study Guide - Exam 2
Solutions; Thermochemistry


Students should know the following:

a) Endothermic and exothermic mixing; Heats of solution

b) Solubility and temperature; Henry's Law

c) Solubilty plot; saturated, supersaturated and unsaturated solutions

d) Colligative properties
    i) vapor-pressure lowering
    ii) boiling point elevation
    iii) freezing point depression
    iv) osmotic pressure

e) Raoult's Law; Positive and negative deviation from Raoult's Law

f) Spontaneous Processes; Entropy; Calculations for change in entropy

g) Gibb's Free energy; Calculations for change in Gibb's Free energy

h) Gibb's Free energy and K;  factors affecting Gibb's Free energy

i)  Three Laws of Thermodynamics