In this process P, V and T changes but ∆Q = 0.
(3) FLOT in adiabatic process : From ∆Q = ∆U + ∆W
For adiabatic process ∆Q = 0 → ∆U = – ∆W
(4) Equation of state : In adiabatic change ideal gases do not obey Boyle’s law but obey Poisson’s law. According to it
PVr = constant; where ϒ=Cp/Cv