Review of first second and third laws of thermodynamics. Applications of the first and second laws. Fundamental equations and thermodynamic relations. Gibbs-Duhem equation. Partial molar quantities. Equations of state and fugacity calculations. Thermodynamic departure quantities. Intermolecular forces and property estimations. Phase equilibrium calculations. Chemical reaction equilibrium and effects of temperature and pressure on reaction conversions. Statistical thermodynamics and partition functions. Use of statistical thermodynamics in estimating thermodynamic properties.