Chemistry in Motion (B-KUL-G0R98A)

6 ECTSEnglish36 First term
Clays Koen (coordinator) |  Loreau Jérôme
POC Chemie

The overall aim of the course is to give students insight into some advanced concepts related to change in chemistry:

  • The student will be able to analyze a reaction mechanism and decompose a reaction into its elementary steps.
  • The student will acquire the competences necessary to understand the properties that characterise chemical reactions and the factors that influence those properties, based on chemical information.
  • The student will learn various theoretical approaches used to study elementary chemical reactions, with an emphasis on how to calculate the reaction rate coefficient and its dependence on the temperature.
  • The student will be able to identify the strengths and limitations of the various theoretical methods and the obstacles to a complete description of chemical reactions.
  • The student will be able to formulate the laws of diffusion and relate them to molecular properties.

This course may be followed by anyone who has completed courses on mathematics and physical chemistry to Bachelor in Chemistry level (or equivalent).

This course is identical to the following courses:
G0I24A : Reactive Systems (No longer offered this academic year)

Activities

6 ects. Chemistry in Motion: Lectures (B-KUL-G0R98a)

6 ECTSEnglishFormat: Lecture36 First term
POC Chemie

The course is composed of…

A: lectures covering the following topics:

 

1. Rates of chemical reactions

- Chemical kinetics; reaction types

- Rate of a reaction and associated rate coefficient

- Differential and integrated rate laws

- Reactions approaching equilibrium and relaxation

- Kinetics of complex reactions (catalysis, polymerization, chain reactions) and chemical reaction networks

- Potential energy surfaces and reaction path.

The importance of obtaining reaction rate coefficients is illustrated through various examples (atmospheric chemistry, astrochemistry, combustion, catalysis,…).

 

2. Molecular reaction dynamics in the gas phase

- Connection between cross section and rate coefficient

- Classical and semi-classical description of chemical reactions: collision theory, capture theory, motion on a potential energy surface, quasi-classical trajectory method, molecular dynamics, Landau-Zener model  

- Transition state theory (TST), applications, limitations, and extensions

- Molecular quantum dynamics: quantum theory of chemical reactivity and molecular collisions (time-dependent and time-independent approaches); chemistry in real time.

- Unimolecular reactions: photo-induced processes, isomerization, RRKM theory.

 

3. Dynamic processes in gases and liquids: diffusion, viscosity, thermal and electrical conductivity.

 

4. Reactions in the condensed phase

- Solvation effects

- Diffusion-controlled reactions

- Electron transfer reactions.

 

B: A short presentation by the students on an application of the concepts explained in the lectures (see also “Evaluation”).

 

C: Optional exercises (with solutions).

The detailed content of the lectures will be provided via Toledo.

Reference books and selected publications from the scientific literature will be provided for background and applications.

Evaluation

Evaluation: Chemistry in Motion (B-KUL-G2R98a)

Type : Partial or continuous assessment with (final) exam during the examination period
Description of evaluation : Oral, Presentation
Type of questions : Closed questions, Open questions
Learning material : Calculator


The evaluation is based on the presentation (20%) and an oral exam with written preparation (80%).

 

Students will have several questions, each question will have an assigned mark with the overall mark obtained as the sum of individual marks. If no presentation is done, the mark will be 0 for this part.

 

 

Only the oral exam can be retaken. The mark for the presentation will be preserved.