aricIsochoricIsothermalAdiabaticIsentropicIsenthalpicQuasistaticPolytropicFree expansionReversibilityIrreversibilityEndoreversibilityCyclesHeat enginesHeat pumpsThermal efficiencySystem propertiesNote: Conjugate variables in italicsProperty diagramsIntensive and extensive propertiesProcess functionsWorkHeatFunctions of stateTemperature / Entropy (introduction)Pressure / VolumeChemical potential / Particle numberVapor qualityReduced propertiesMaterial propertiesProperty databasesSpecific heat capacity c={\displaystyle c=}T{\displaystyle T}∂S{\displaystyle \partial S}N{\displaystyle N}∂T{\displaystyle \partial T}Compressibility β=−{\displaystyle \beta =-}1{\displaystyle 1}∂V{\displaystyle \partial V}V{\displaystyle V}∂p{\displaystyle \partial p}Thermal expansion α={\displaystyle \alpha =}1{\displaystyle 1}∂V{\display