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Using the appropriate tables, determine the change in specific entropy between the specified states, in Btu/lb. °R. (a) water, p₁ = 10 lbf/in.², saturated vapor; p2 = 500 lbf/in.², T₂ = 700°F. (b) ammonia, p₁ = 140 lbf/in.², T₁ = 160°F; T₂ = -10°F, h₂ = 345 Btu/lb. (c) air as an ideal gas, T₁ = 80°F, p₁ = 1 atm; T2 = 340°F, p = 25 atm. (d) oxygen as an ideal gas, T₁ = T2 = 520°R, p₁ = 10 atm, p2 = 1 atm.

Using the appropriate tables, determine the change in specific entropy between the specified states, in Btu/lb. °R. (a) water, p₁ = 10 lbf/in.², saturated vapor; p2 = 500 lbf/in.², T₂ = 700°F. (b) ammonia, p₁ = 140 lbf/in.², T₁ = 160°F; T₂ = -10°F, h₂ = 345 Btu/lb. (c) air as an ideal gas, T₁ = 80°F, p₁ = 1 atm; T2 = 340°F, p = 25 atm. (d) oxygen as an ideal gas, T₁ = T2 = 520°R, p₁ = 10 atm, p2 = 1 atm.

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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Using the appropriate tables, determine the change in specific entropy between the specified states, in Btu/lb · °R. (a) water, p1 = 10 Ibf/in.?, saturated vapor; p2 = 500 Ibf/in.?, T2 = 700°F. (b) ammonia, p1 = 140 lbf/in.?, T1 = 160°F; T2 = -10°F, h2 = 345 Btu/lb. (c) air as an ideal gas, T1 = 80°F, p1 = 1 atm; T2 = 340°F, p = 25 atm. (d) oxygen as an ideal gas, T1 = T2 = 520°R, p1 = 10 atm, p2 = 1 atm.
Transcribed Image Text:Using the appropriate tables, determine the change in specific entropy between the specified states, in Btu/lb · °R. (a) water, p1 = 10 Ibf/in.?, saturated vapor; p2 = 500 Ibf/in.?, T2 = 700°F. (b) ammonia, p1 = 140 lbf/in.?, T1 = 160°F; T2 = -10°F, h2 = 345 Btu/lb. (c) air as an ideal gas, T1 = 80°F, p1 = 1 atm; T2 = 340°F, p = 25 atm. (d) oxygen as an ideal gas, T1 = T2 = 520°R, p1 = 10 atm, p2 = 1 atm.
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