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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.

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
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.
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
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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