The present publication is divided into sixteen chapters covering Thermal Equilibriumand Zeroth Law; Temperature and its Measurement; First Law of Thermodynamics and its Application; Isothermal and Adiabatic Processes; Real Gases-Van der Waals’ Equation of State; Production of Very Law Temperature; Second Law of Thermodynamics (Heat Engines); Change of State: Clausius Clapeyron Equation; Kinetic Theory; Transport Phenomenon; Distribution of Molecular Speeds and ...