Activities for Interlude

• Deriving Change of Variables

• Constant Lines in the U-V Plane

• Cyclic Chain Rule

• Dividing by Differentials

• Easy and Hard Derivatives

• The Isothermal Bulk Modulus

• Isowidth and Isoforce Stretchability

• Introducing Legendre Transforms

• Paramagnetism

• Naming and Classifying Thermodynamic Variables

• Legendre Transforms on the PDM

• Potential Energy of an Elastic System

• PDM Variables

• Calculating a Total Differential

• Upside Down Derivatives

• Evaluating Total Differentials: "Zapping with d"