AP Physics 2 · Thermodynamics 9.1 Kinetic Theory of Temperature and Pressure ↗9.2 The Ideal Gas Law ↗9.3 Thermal Energy Transfer and Equilibrium ↗9.4 The First Law of Thermodynamics ↗9.5 Specific Heat and Thermal Conductivity ↗9.6 Entropy and the Second Law of Thermodynamics ↗