Maxwell Relations
Pick two variables to relate: for example, U(S,V).
Etc.
Classical Ideal Gas
Etc.
- Isothermal Compressibility:
- Thermal Expansion Coefficient:
- Heat Capacity at constant pressure:
- Heat Capacity at constant volume:
Isotherms
Adiabats
Adiabatic lines connect lines of different isotherms. No heat is allowed in or out of the system. Work on a gas with no heat escape means the total energy increases.