Laboratory of Physical Chemistry
A.Y. 2021/2022
Learning objectives
The course provides the theoretical and practical aspects of chemical kinetics and for this includes both classroom lessons and laboratory exercises. The topics covered provide the bases of chemical kinetics for a correct understanding of the course of reactions according to the parameters that govern their velocity, in particular concentration of the reagents, temperature, and presence of catalytic species.
Expected learning outcomes
Student will be able to:
- set the kinetic study of a chemical and/or catalytic reaction with obtaining the significant parameters related to the reaction rate and to its dependence on temperature
- organize the experimentation for the kinetic study of chemical reactions
- draw up a technical-scientific report on experiences carried out in a chemical laboratory
- collaborate with colleagues in a group work.
- set the kinetic study of a chemical and/or catalytic reaction with obtaining the significant parameters related to the reaction rate and to its dependence on temperature
- organize the experimentation for the kinetic study of chemical reactions
- draw up a technical-scientific report on experiences carried out in a chemical laboratory
- collaborate with colleagues in a group work.
Lesson period: Second semester
Assessment methods: Esame
Assessment result: voto verbalizzato in trentesimi
Single course
This course cannot be attended as a single course. Please check our list of single courses to find the ones available for enrolment.
Course syllabus and organization
Single session
Responsible
The teaching in the classroom regarding the topic of chemical kinetics (3 credits) will be delivered in the presence (if possible) and in any case, all the lessons will be recorded and uploaded on the Ariel website of the course respecting the weekly calendar of the lessons to allow students to learn the content gradually.
The teaching with regard to laboratory exercises (3 credits) can be carried out "in attendance" in a reduced form as regards the number of hours that each student can carry out in laboratories compared to the ordinary situation. To complete this part, numerical exercises will be carried out in which each student will be asked to mathematically interpret experimental data by applying the kinetic equations illustrated during the lessons.
The teaching with regard to laboratory exercises (3 credits) can be carried out "in attendance" in a reduced form as regards the number of hours that each student can carry out in laboratories compared to the ordinary situation. To complete this part, numerical exercises will be carried out in which each student will be asked to mathematically interpret experimental data by applying the kinetic equations illustrated during the lessons.
Course syllabus
Reaction rate. Rate equation and rate constant. Order reaction and molecularity. Integrated kinetic equations for the principal order reactions (zero order-, first order-, second order-, and nth order- reactions). Half-period of reaction. Determination of the reaction order: integral method, differential method, half-period method, and isolation method. Consecutive reactions and the steady-state approximation. Parallel reactions. Opposing and equilibrium reactions.
Dependence of the rate constant on temperature. Arrhenius equation. Eyring equation and transition state theory. Catalysed reactions. Homogeneous catalysis.
Practical experiments: isothermal reactions in batch reactors with homogeneous catalysts in aqueous liquid phase and in organic solvent; reaction taking place with linearly increasing temperature.
Dependence of the rate constant on temperature. Arrhenius equation. Eyring equation and transition state theory. Catalysed reactions. Homogeneous catalysis.
Practical experiments: isothermal reactions in batch reactors with homogeneous catalysts in aqueous liquid phase and in organic solvent; reaction taking place with linearly increasing temperature.
Prerequisites for admission
Knowledge of the main concepts of differential and integral calculus. Computer knowledge for the use of spreadsheets.
Teaching methods
Teaching will take place through lectures (or recorded) and practical laboratory exercises aimed at providing knowledge and operational tools, if possible.
The didactic material and the proposed operational tools will be made available in digital format so that students can rework them according to their teaching needs.
The didactic material and the proposed operational tools will be made available in digital format so that students can rework them according to their teaching needs.
Teaching Resources
- P. Atkins, J. De Paula, Elements of Physical Chemistry, Zanichelli, 2007, Chapters 10 and 11; or other editions for the relevant chapters of the course topics.
- Course notes on the ARIEL_UNIMI platform to all UNIMI students.
- Course notes on the ARIEL_UNIMI platform to all UNIMI students.
Assessment methods and Criteria
A written report on the work done in the laboratory; group work for the part of the experiments carried out in presence as well as for the part of the mathematical-kinetic elaborations.
Oral exam on all aspects of the course, chemical kinetics, and applied kinetics. Students will have to demonstrate that they understand the fundamentals of chemical kinetics and that they are able to develop the main kinetic equations, to know how to apply them logically. Students will have access to the oral exam only if the report on the work done in the laboratory and/or the mathematical-kinetic elaborations have been judged positively.
Oral exam on all aspects of the course, chemical kinetics, and applied kinetics. Students will have to demonstrate that they understand the fundamentals of chemical kinetics and that they are able to develop the main kinetic equations, to know how to apply them logically. Students will have access to the oral exam only if the report on the work done in the laboratory and/or the mathematical-kinetic elaborations have been judged positively.
CHIM/02 - PHYSICAL CHEMISTRY - University credits: 6
Laboratories: 48 hours
Lessons: 24 hours
Lessons: 24 hours
Shifts:
Professor:
Gervasini Antonella
Corso A
Professor:
Gervasini AntonellaProfessor(s)
Reception:
On request by e-mail
Room R25S, B side of Chemistry Department