|
| Module Availability |
| Semester 2 |
|
|
| Assessment Pattern |
Written exam 70%
Practical work & reports (30%) |
|
|
| Module Overview |
|
|
|
| Prerequisites/Co-requisites |
|
|
|
| Module Aims |
· Knowledge of solid surface properties, catalysis and surface reactions,
· Appreciation of the physical properties of liquids in the bulk and at their surfaces,
Understanding of the fundamentals of colloid chemistry. |
|
|
| Learning Outcomes |
TheOn successful completion of this module you should, or should be able to:-
· discuss the nature of solid surfaces, surface reactions and catalysis
· have an understanding of the basic principles of solution, phase
equilibria thermodynamics and liquid surfaces
· be familiar with the fundamentals of colloid chemistry. |
|
|
| Module Content |
|
1-7
|
Raoults and Henry’s law. 3rd law of thermodynamics. Vapour pressure and ideal dilute solutions. Activity and activity coefficients. Debye-Huckel theory.. Ideal mixing. Miscibility of liquids Colligative properties. Elevation of boiling point. Depression of freezing point. Osmosis. Chemical potential. Mobility of ions in solution. Diffusion. Phase diagrams. Separation of liquids by fractional distillation, azeotropes, eutectics.
|
|
8-15
|
Kinetics of consecutive reactions. Solids (metallic, ionic and molecular). Surfaces. Surface crystallography: Low Energy Electron Diffraction, Scanning Tunnelling Microscopy. Physical adsorption, capillary condensation and catastrophes. Chemisorption and sticking probabilities. ¿H, ¿ and ¿. Langmuir isotherm. Lindemann-Hinshelwood and Eley-Rideal mechanisms. Heterogeneous catalysis in process, food, environmental of forensic chemistry. Homogeneous catalysis. Enzymic catalysis
|
|
16-25
|
Surface tension. Capillary action. Contact angles. Kelvin equation. Ostwald ripening. Young-Dupre equation. Micelles. Types of colloids. Characteristics of colloids. Lyophilic and lyophobic colloids. Aggregates. Proteins. Determination of mean molar mass. Liquid crystals versus surfactants. Wetting, spreading and adhesion. Laplace equation. Nucleation and growth. Fogs, foams, emulsions and microemulsions. Surfactants and detergency. Crop spraying. Langmuir films. Gibbs adsorption isotherm. Langmuir-Blodgett deposition.
|
|
38 hours
|
Practical work on a range of topics including:
IR spectroscopy of various physical states; gas chromatography; fluorescence spectroscopy of quinine; adsorption of crystal violet; pKa of bromocresol green.
|
|
|
|
| Methods of Teaching/Learning |
| Formal lectures, tutorials and practicals |
|
|
| Selected Texts/Journals |
|
Essential:
Atkins, P; de Paula, J.(2009): Atkin’s Physical Chemistry, OUP 9th Edition.
Recommended:
Bowker, M.: (1998), The Basis and Applications of Heterogeneous Catalysis,
Oxford Chemistry Primer No. 53,
|
|
|
|
| Last Updated |
| 21 April 2011 |
|
