States of Matter: Compressibility and Thermal Expansion

This lecture covers the concepts of compressibility and thermal expansion of materials. It explains how the volume of a body changes with pressure and temperature, introducing coefficients like the compressibility factor and thermal expansion coefficient. The first law of thermodynamics is discussed, focusing on internal energy and the exchange of heat and work in a system. Specific heat capacity is also explored, illustrating how different materials require varying amounts of energy to change temperature.