MOL-001 · Introduction and statistical methods Sample material

Development of molecular-kinetic ideas

Introduction to molecular physics: the history of atomistic ideas about the structure of matter, the main postulates of molecular-kinetic theory, Brownian motion, and classical and quantum models of matter.

Estimated time: 3 h 3 activities

Learning objective

Know the subject matter and objects of study of molecular physics.
Understand the main stages in the development of ideas about the structure of matter.
Learn the three main postulates of molecular-kinetic theory and their experimental basis.
Learn to work with the amount of substance, molar mass and the Avogadro constant.

Expected outcomes

States the main postulates of MKT and explains the experiments confirming them (Brownian motion, diffusion).
Calculates the amount of substance, the number of molecules and the mass of one molecule.
Estimates the size of a molecule and the mean distance between molecules.
Explains the limits of applicability of classical and quantum models.

Interactive modelHistory of science: key discoveries
Interactive modelBrownian motion

Activities

Lecture · 1 h 20 min · required
Problem solving on the topic "Molecular-kinetic theory"
Practice · 1 h 20 min · required
Final test
Test · 20 min · required · pass ≥ 70%

Completion conditions

  • Lecture
  • Problem solving on the topic "Molecular-kinetic theory"
  • Final test — at least 70%