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A flexible artificial lung is used to study the inflation of the lungs. The device is pre-filled with 8g of air.To mimic physiological conditions, enough heat is then added to the device such that it’s temperature increases from 25 degrees Celsius to 37 degrees Celsius. a) What is the total work done by the air during this process? b)Prove that the amount of heat added is equal to the change in enthalpy of the air. c) How much heat was added during the process? d) what is the change in internal energy of the air ?

A flexible artificial lung is used to study the inflation of the lungs. The device is pre-filled with 8g of air.To mimic physiological conditions, enough heat is then added to the device such that it’s temperature increases from 25 degrees Celsius to 37 degrees Celsius. a) What is the total work done by the air during this process? b)Prove that the amount of heat added is equal to the change in enthalpy of the air. c) How much heat was added during the process? d) what is the change in internal energy of the air ?

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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A flexible artificial lung is used to study the inflation of the lungs. The device is pre-filled with 8g of air.To mimic physiological conditions, enough heat is then added to the device such that it’s temperature increases from 25 degrees Celsius to 37 degrees Celsius. a) What is the total work done by the air during this process? b)Prove that the amount of heat added is equal to the change in enthalpy of the air. c) How much heat was added during the process? d) what is the change in internal energy of the air ?
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