7.(a) 3 mols of a perfect gas is expanded reversibly from an initial pressure of 5 atm to 2 atm at a constant temperature of 30°C. Calculate the values of g. w. AU. AH and AS. (b)Calculate the total entropy change involved in the process of transferring 250k] of heat energy from system 1 at 100°C to system 2 at 25°C. q= 250 kJ System 1 at 373 K System 2 at 25°C (c) 50g of water at 60°C is transferred to a pan and evaporated to dryness at 100°C at constant total change in entropy. (AHvap pressure. Calculate the 40.65 kl/mol; Cp,m = 75 J K1 mol")
7.(a) 3 mols of a perfect gas is expanded reversibly from an initial pressure of 5 atm to 2 atm at a constant temperature of 30°C. Calculate the values of g. w. AU. AH and AS. (b)Calculate the total entropy change involved in the process of transferring 250k] of heat energy from system 1 at 100°C to system 2 at 25°C. q= 250 kJ System 1 at 373 K System 2 at 25°C (c) 50g of water at 60°C is transferred to a pan and evaporated to dryness at 100°C at constant total change in entropy. (AHvap pressure. Calculate the 40.65 kl/mol; Cp,m = 75 J K1 mol")
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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![7.(a) 3 mols of a perfect gas is expanded reversibly from an initial pressure of 5 atm to
2 atm at a constant temperature of 30°C. Calculate the values of g. w. AU. AH and AS.
(b)Calculate the total entropy change involved in the process of transferring 250k] of heat
energy from system 1 at 100°C to system 2 at 25°C.
q= 250 kJ
System 1
at 373 K
System 2
at 25°C
(c) 50g of water at 60°C is transferred to a pan and evaporated to dryness at 100°C at constant
total change in entropy. (AHvap
pressure.
Calculate
the
40.65
kl/mol;
Cp,m = 75 J K1 mol")](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F914227be-1776-4f04-af8b-cfa1d0e3b2dd%2F88dc5625-6992-4f65-b95d-4c06387c56f4%2Fr015j9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:7.(a) 3 mols of a perfect gas is expanded reversibly from an initial pressure of 5 atm to
2 atm at a constant temperature of 30°C. Calculate the values of g. w. AU. AH and AS.
(b)Calculate the total entropy change involved in the process of transferring 250k] of heat
energy from system 1 at 100°C to system 2 at 25°C.
q= 250 kJ
System 1
at 373 K
System 2
at 25°C
(c) 50g of water at 60°C is transferred to a pan and evaporated to dryness at 100°C at constant
total change in entropy. (AHvap
pressure.
Calculate
the
40.65
kl/mol;
Cp,m = 75 J K1 mol")
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