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Chooge changes changes in H Plug in the second expression of ds into dH dH = Tds + ydp = T ( + dT - ( 3 )pdp) + ydp. dH = GdT + [V-T()pJdP) The above 3 eqns. hold for any substance and can be computed if 1) dependence of G, Cv on T 2) the substance's EDS. Example: Use the dH for general system to derive d.H of ideal. gas. Ideal gas GOS: V = dH for ideal RT P gas. R (3) p = B = V - T (34 ⇒ V - T (²) p = V - T² P = 0 dH = CpdT ( same with what we showed in lecture 16)

Chooge changes changes in H Plug in the second expression of ds into dH dH = Tds + ydp = T ( + dT - ( 3 )pdp) + ydp. dH = GdT + [V-T()pJdP) The above 3 eqns. hold for any substance and can be computed if 1) dependence of G, Cv on T 2) the substance's EDS. Example: Use the dH for general system to derive d.H of ideal. gas. Ideal gas GOS: V = dH for ideal RT P gas. R (3) p = B = V - T (34 ⇒ V - T (²) p = V - T² P = 0 dH = CpdT ( same with what we showed in lecture 16)

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Can you explain how he got R/P ?

Chooge changes in H Plug in the second expression of ds into dH dH = Tds + Vdp = T = T ( — dT - ( = = pdp) + ydp. dH = Cp dT + [V - T(3)p] dp The above 3 egns. hold for any substance and can be computed if 1) dependence 2) the substance 's EDS of Cp, Cv on T Example: Use the d. for general system to derive d.H of Ideal gas GOS: V = Ele RT => (3) p 1) R P ideal gas. ⇒ V - T ( ² ) p = V - TⓇ = 0 dH for ideal gas: dH = CpdT ( same with what we showed in lecture 16)
Transcribed Image Text:Chooge changes in H Plug in the second expression of ds into dH dH = Tds + Vdp = T = T ( — dT - ( = = pdp) + ydp. dH = Cp dT + [V - T(3)p] dp The above 3 egns. hold for any substance and can be computed if 1) dependence 2) the substance 's EDS of Cp, Cv on T Example: Use the d. for general system to derive d.H of Ideal gas GOS: V = Ele RT => (3) p 1) R P ideal gas. ⇒ V - T ( ² ) p = V - TⓇ = 0 dH for ideal gas: dH = CpdT ( same with what we showed in lecture 16)
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