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The molar heat capacity of C2H4 (8) can be expressed by 6085.929 K, 822826 K? Cy (T)/R = 16.4105 - over the temperature range 300 K

The molar heat capacity of C2H4 (8) can be expressed by 6085.929 K, 822826 K? Cy (T)/R = 16.4105 - over the temperature range 300 K

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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The molar heat capacity of C2H4 (g) can be expressed by
?̅
?
(?)⁄? = 16.4105 −
6085.929 K
?
+
822826 K
2
?2
over the temperature range 300 K < T <
1000 K.
(i) Calculate S if one mole of ethene is heated from 300 K to 1000 K at constant volume.
(ii) Calculate S if one mole of ethene is heated from 300 K to 1000 K at constant pressure.
(iii) Show that the difference in results of above two processes is given by
∆?̅
? = ∆?̅
? + ? ln ?2
?1
(iv) Show above processes on a P-V diagram

The molar heat capacity of C2H4 (g) can be expressed by 6085.929 K 822826 K? Cy (T)/R = 16.4105 over the temperature range 300 K <T< T 1000 K. (i) Calculate AS if one mole of ethene is heated from 300 K to 1000 K at constant volume. (ii) Calculate AS if one mole of ethene is heated from 300 K to 1000 K at constant pressure. (iii) Show that the difference in results of above two processes is given by ASp = ASy + R In (iv) Show above processes on a P-V diagram
Transcribed Image Text:The molar heat capacity of C2H4 (g) can be expressed by 6085.929 K 822826 K? Cy (T)/R = 16.4105 over the temperature range 300 K <T< T 1000 K. (i) Calculate AS if one mole of ethene is heated from 300 K to 1000 K at constant volume. (ii) Calculate AS if one mole of ethene is heated from 300 K to 1000 K at constant pressure. (iii) Show that the difference in results of above two processes is given by ASp = ASy + R In (iv) Show above processes on a P-V diagram
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