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100 kg of steam is enclosed in a piston-cylinderdevice, initially at 300°C and 5 bar. It expands andcools to 200°C and 1 bar.A. What is the change in internal energy of thesteam in this process?B. If the external pressure is constant at 1 bar,how much work was done by the steam on thesurroundings?C. Research and briefly describe at least two examplesof machines, either historical or currently inuse, that harness the energy in steam and convertit into work. Any form of work is acceptable; youneedn’t confine your research to expansion work(which was examined in parts A and B).

100 kg of steam is enclosed in a piston-cylinderdevice, initially at 300°C and 5 bar. It expands andcools to 200°C and 1 bar.A. What is the change in internal energy of thesteam in this process?B. If the external pressure is constant at 1 bar,how much work was done by the steam on thesurroundings?C. Research and briefly describe at least two examplesof machines, either historical or currently inuse, that harness the energy in steam and convertit into work. Any form of work is acceptable; youneedn’t confine your research to expansion work(which was examined in parts A and B).

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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Question
100 kg of steam is enclosed in a piston-cylinder
device, initially at 300°C and 5 bar. It expands and
cools to 200°C and 1 bar.
A. What is the change in internal energy of the
steam in this process?
B. If the external pressure is constant at 1 bar,
how much work was done by the steam on the
surroundings?
C. Research and briefly describe at least two examples
of machines, either historical or currently in
use, that harness the energy in steam and convert
it into work. Any form of work is acceptable; you
needn’t confine your research to expansion work
(which was examined in parts A and B).
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