6.37. Steam undergoes a change from an initial state of 450°C and 3000 kPa to a final state of 140°C and 235 kPa. Determine AH and A.S: (a) From steam-table data. (b) By equations for an ideal gas. (c) By appropriate generalized correlations.
6.37. Steam undergoes a change from an initial state of 450°C and 3000 kPa to a final state of 140°C and 235 kPa. Determine AH and A.S: (a) From steam-table data. (b) By equations for an ideal gas. (c) By appropriate generalized correlations.
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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![6.37. Steam undergoes a change from an initial state of 450°C and 3000 kPa to a final state
of 140°C and 235 kPa. Determine AH and A.S:
(a) From steam-table data.
(b) By equations for an ideal gas.
(c) By appropriate generalized correlations.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4dfc165-1571-419f-99fc-a4587d76c340%2F7d85e6fe-4a12-47ec-8bba-a5898ccaca6c%2Fz3qezu4_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6.37. Steam undergoes a change from an initial state of 450°C and 3000 kPa to a final state
of 140°C and 235 kPa. Determine AH and A.S:
(a) From steam-table data.
(b) By equations for an ideal gas.
(c) By appropriate generalized correlations.
![T₁ = 450°C → 723°K T₂ = 140°C → 413°K
P₁ = 3000kPa → 3MPa P₂ = 235kPa → 235MPa
Table E. 2 3000 kPa @ 450°C
kJ
H₁3344.6-
S₁7.0854-
kg. K
kJ
kg.K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff4dfc165-1571-419f-99fc-a4587d76c340%2F7d85e6fe-4a12-47ec-8bba-a5898ccaca6c%2Fz53qd1_processed.png&w=3840&q=75)
Transcribed Image Text:T₁ = 450°C → 723°K T₂ = 140°C → 413°K
P₁ = 3000kPa → 3MPa P₂ = 235kPa → 235MPa
Table E. 2 3000 kPa @ 450°C
kJ
H₁3344.6-
S₁7.0854-
kg. K
kJ
kg.K
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