1.Show that the thermodynamic equation of state may be expressed in the equvalent form

and for an Adiabatic process of an ideal gas can be described by equation pV = const where = Cp/Cv 1.4. Which of the following diagrams most precisely represents such a process in coordinates p-T ? Justify your choice. A) B) C) D) decreasing increasing increasing decreasing concave concave convex convex

dU dV = dP =TG) d -P dU d (4) (), AP FP T wwww Suva PICUS A) decreasing concave B) increasing concave C) increasing convex D) decreasing convex (15 p.)