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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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Fundamentals of Chemical Engineeri...

1st Edition
Kevin D. Dahm + 1 other
Publisher: Cengage Learning
ISBN: 9781111580704
BuyFind

Fundamentals of Chemical Engineeri...

1st Edition
Kevin D. Dahm + 1 other
Publisher: Cengage Learning
ISBN: 9781111580704

Solutions

Chapter
Section
Chapter 1.7, Problem 28P
Textbook Problem

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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