Key Equations

Key Equations

ideal gas law PV=NkT PV=NkT
first law of thermodynamics ΔU=QW ΔU=QW
pressure P= F A P= F A
pressure–volume work W=PΔV W=PΔV
change in entropy ΔS= Q T ΔS= Q T
thermal efficiency of a heat engine Eff= W Q h Eff= W Q h
work output for a cyclical process W= Q h Q c W= Q h Q c