A rigid tank contains 7 kg of saturated vapor steam at 100°C. The steam is cooled to the ambient temperature of 25°C. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Determine the entropy change of the steam, in kJ/K. Use steam tables.

A rigid tank contains 7 kg of saturated vapor steam at 100°C. The steam is cooled to the ambient temperature of 25°C. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Determine the entropy change of the steam, in kJ/K. Use steam tables.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

Question

Required information
A rigid tank contains 7 kg of saturated vapor steam at 100°C.
The steam is cooled to the ambient temperature of 25°C.
NOTE: This is a multi-part question. Once an answer is
submitted, you will be unable to return to this part.
Determine the entropy change of the steam, in kJ/K. Use steam tables.
The entropy change of the steam is
kJ/K.

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Step 1: List out the given data

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Step 2: Calculation of the steam properties at state 1 (T1 = 298 K)

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Step 3: Calculation of the steam properties at state 2 (T2 = 298 K)

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Step 4: Calculation of the entropy change in the process

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