3.1 Spontaneous processes
3.2 Entropy
3.3 Change of entropy
3.4 Calculation of change of S for an irreversible change of state
3.5 Carnot cycle: p-V diagram and T-S diagram
3.6 Efficiency and Carnot cycle
3.7 Third law
3.8 Magnetocaloric cooling: adiabatic demagnetization
3.9 Delta S for first-order phase transitions
3.10 Changes of entropy with T
3.11 Combining the first and second law
3.12 The inverse temperature as an integrating factor
3.13 What is a potential
3.14 Thermodynamic Contacts: The isolated system
3.15 Thermodynamic Contacts: A system in thermal equilibrium
3.16 Thermodynamic Contacts: Temperature and pressure are defined by the surrounding area
3.17 Thermodynamic Contacts: Examples for other contacts
3.18 The free energy as an example for a thermodynamic potential
3.19 The transformation of thermodynamic potentials
3.20 The Legendre transformation in 1D
3.21 From the free energy to the inner energy
3.22 Calculation of the free energy of an ideal gas
3.23 Overview of thermodynamic potentials
3.24 Guggenheim scheme
3.25 Fundamental equations and exact differentials
3.26 Maxwell relations
3.27 Maxwell relations, example for vdW gas
3.28 Maxwell relations, calculation of residual functions
3.29 Residual functions of enthalpy and Gibbs potential
3.30 Cp-Cv: general relation
3.31 Fugacity: Definition and relation to residual function
3.32 Fundamental equations for open systems
3.33 Principle dependence of G on T and p