Chemical Engineering 498

 

Molecular Properties of Gases, Liquids and Solids

 

Course Outline

 

Week 1

 

1. Overview: Atoms, Molecules and Forces (partially in Tabor pp 1-31)

o        Evidence, structure, size

o        Force interactions between atoms, intermolecular forces, potentials

o        Nanocharacterization tools: Scanning Probe microscopy (SPM)

 

Week 2-4

 

2. Molecular and Interfacial Interactions (partially in Tabor pp 312-331)

o        From covalent bonds to surfaces forces

o        Noncovalent bonding

-    Ionic bonds, hydrophobic interactions, hydrogen bonds, dipole-dipole bonds

-    Van der Waals (London dispersion)

-    Adhesion and surface energies

o        Biological systems, colloids, self-assembling nanostructured molecular materials, and liquid crystals

 

Week 5-7

 

3. Review on Laws of Thermodynamics (Tabor pp 32-52)

o        Heat

o        The laws of thermodynamics

o        Gibbs and Helmholtz free energy

o        Ideal gas specific thermodynamic processes

 

4. Molecular Kinetic Theory to describe bulk systems

    (from perfect gases to Van der Waals gases)

 

o        Bulk properties described with perfect gas kinetic theory (Tabor pp 53-63)

o        Thermal energy of molecules (specific heat capacities, number of degree of freedom, internal energy) (Tabor pp 105-116)

o        Transport phenomena (Tabor pp 64-77)

o        Van der Waals gases (Tabor pp 126-133)

 

5. Condensed Matter

 

o        Liquid state as a modified gas (Tabor pp 253 - 257)

o        Eyring theory of liquid viscosity  (Tabor pp 304 - 310)

o        Solid state (Tabor pp 152 - 156)

o        Elasticity (Tabor pp 168 - 169)

o        Viscoelasticity

o        Surface energy (Tabor pp 162-168) and tension (Tabor pp 280-285)

 

Week 8-10

 

 

6. Thermodynamic in Small Systems

 

o        The Chemical Potential of Small Thermodynamic Systems

o        Melting Point in Small Systems

o        Crystal-Melt Interfacial Energy

o        The Effect of Small System Size on the Solubility

o        Ostwald Ripening

o        Condensation and Nucleation

o        Finite Size Effect on Strain