To convey the knowledge and to provide the understanding of basic concepts related to the thermodynamics of macroscopic systems and their statistical treatment in the gas phase and including intermolecular interactions in all temperature regimes.

• Basic laws of thermodynamics.
• Colligative effects.
• Basics in statistics.
• Physical concepts: microcanonical, canonical and grandcanonical ensembles; partition functions.
• Maxwell-Boltzmann, Fermi-Dirac and Bose-Einstein distributions.
• The statistical formulation of thermodynamical quantities.
• Analytical approximations and advanced numerical approaches.

• Know the thermodynamical principles and how to apply them.
• Define a thermodynamical state and differentiate state variable and function.
• Understand the definition and application of thermodynamical potentials.
• Derive and apply Maxwell's relations, the Gibbs-Duhem and Gibbs-Helmholtz laws.
• Assess colligative effects.
• Calculate the entropy and internal energy of reactants from spectroscopic parameters.
• Apply the Maxwell-Boltzmann distribution to analyze spectral intensities, collision and reaction rates.
• Calculate the temperature of a rotational spectrum.
• Calculate a reaction entropy and enthalpy.
• Determine a thermodynamical equilibrium constant from spectroscopic parameters.
• Understand the thermodynamics of systems of undistinguishable particles at very low temperatures and in the high temperature domain.
• Decide about the level of approximation to apply and about the numerical algorithms to be used for the calculation of thermodynamical quantities in strongly interacting systems.