Preface. Equilibrium Thermodynamics. Definitions. The postulates of equilibrium thermodynamics. The fundamental equation. Thermodynamic equilibrium. Thermodynamic processes. Reversible sources and reservoirs. Work and heat. Thermodynamic potentials. Massieu functions. Second order partial derivatives. Ideal systems. The ideal gas. The monatomic ideal gas. The ideal mixture. The multicomponent ideal gas. The ideal solution. The ideal rubber. Stability. Phase transitions. Chemical reactions. Reaction equilibrium. Steady-state Thermodynamics. Chemical reactions as irreversible processes. The postulates of steady-state thermodynamics. Coupled linear steady states. Entropy production in the steady state. The pivotal functions. Matter and heat flow. The quantities of transport. Uses of the heat of transport. Minimum entropy production. Appendices. Exact and inexact differentials. Jacobians. The Legendre transformation. The fundamental equation of the ideal gas. The equation of state of the ideal rubber. Positive definiteness of a quadratic form. Heat conduction at the system boundaries. References. List of symbols. Author and subject index.