Use the data in the steam tables to answer thefollowing:A. Find the change in internal energy when 100 kgof steam at constant pressure P = 1 bar has itstemperature reduced from 300°C to 100°C.B. Find the change in internal energy when 100 kg ofliquid water at constant pressure P = 200 bar hasits temperature increased from 240°C to 300°C.C. Energy was transferred from the system in part A,and energy was transferred to the system in partB. What form would you expect these energytransfers took?D. Your answers to parts A and B should be similarin magnitude, though different in sign. Would itbe possible to accomplish both of the processesin parts A and B simultaneously, by taking mostof the energy that was removed from the steamdescribed in part A and transferring it to the liquidwater described in part B?
Use the data in the steam tables to answer thefollowing:A. Find the change in internal energy when 100 kgof steam at constant pressure P = 1 bar has itstemperature reduced from 300°C to 100°C.B. Find the change in internal energy when 100 kg ofliquid water at constant pressure P = 200 bar hasits temperature increased from 240°C to 300°C.C. Energy was transferred from the system in part A,and energy was transferred to the system in partB. What form would you expect these energytransfers took?D. Your answers to parts A and B should be similarin magnitude, though different in sign. Would itbe possible to accomplish both of the processesin parts A and B simultaneously, by taking mostof the energy that was removed from the steamdescribed in part A and transferring it to the liquidwater described in part B?
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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| Use the data in the steam tables to answer the following: A. Find the change in internal energy when 100 kg of steam at constant pressure P = 1 bar has its temperature reduced from 300°C to 100°C. B. Find the change in internal energy when 100 kg of liquid water at constant pressure P = 200 bar has its temperature increased from 240°C to 300°C. C. Energy was transferred from the system in part A, and energy was transferred to the system in part B. What form would you expect these energy transfers took? D. Your answers to parts A and B should be similar in magnitude, though different in sign. Would it be possible to accomplish both of the processes in parts A and B simultaneously, by taking most of the energy that was removed from the steam described in part A and transferring it to the liquid water described in part B? |
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