Sections
Key Equations

Key Equations

ideal gas law PV=NkTPV=NkT
first law of thermodynamics ΔU=QWΔU=QW
pressure P=FAP=FA
pressure–volume work W=PΔVW=PΔV
change in entropy ΔS=QTΔS=QT
thermal efficiency of a heat engine Eff=WQhEff=WQh
work output for a cyclical process W=QhQcW=QhQc