p = F S
ρ = m V
Q = m c w Δ T
Q = m L Q = m R
p V T = const
p V = n R T
C p = C v + R
Δ U = Q + W
W = − p Δ V gdzie p = const
η = W uż Q wł η = Q 1 − Q 2 Q 1
η = T 1 − T 2 T 1