CHEMENG 3D03 Lecture Notes - Lecture 3: Phase Rule, Ideal Gas, Chemical Engineering
13 Nov 2016
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Distribution outside the class of chem eng 3d03 at mcmaster university is not permitted. 1 p v t behaviors and equation of state. P v t behavior of pure uids section 3. 1. vdw and cubic eos"s section 3. 5, pages 90 94, 97 98. Generalized correlations section 3. 5, pages 95 96; section 3. 6, pages 99 . Consider an isothermal and reversible expansion of an ideal gas from v1 to v2: draw the path on a pv diagram, what is the amount of work, no intermolecular interactions. 2/17: molecules even have no size: point particles, each molecule is moving randomly, real gas ideal gas when p 0 or t , reasonable approximation for most gases at standard t & p . 1. 2 p v t behaviors of real fluids. Real uids: p t and p v phase diagrams. Gibbs phase rule: f = 2 + n . Note: t > tc & p > pc supercritical uid. a.
