CHEMENG 3D03 Lecture Notes - Lecture 4: Clausius–Clapeyron Relation, Antoine Equation, Phase Rule
13 Nov 2016
School
Department
Course
Professor
Document Summary
Distribution outside the class of chem eng 3d03 at mcmaster university is not permitted. Equilibrium criteria for closed systems section 14. 3, pages 575 577. Equilibrium criteria for isolated systems: spontaneous process: dst 0, equilibrium: st = st max. St, v t, n dgt 0 dat 0 dh t 0 du t 0. Requirements: closed systems (constant n), t and p are uniform within the system. min min. Consider a cylinder immersed in a heat bath with a piece of xed weight placed on top of the piston. Inside the cylinder is a pure uid separated into two phases: vapor and liquid. Derive the criteria for phase equilibrium in terms of molar gibbs energies of the two phases: gl and gv. Pure uids, constant t and p . T v (s&vn 6. 70) where, h = h h is the latent heat. Clapeyron equation applied to vle d ln p sat d (1/t )
