12.2: m, kg of water at absolute temperature T, is isobarically and adiabatically mixed with m2 kg of water at absolute temperature T2. Find the change in entropy of the universe. Deduce the expression if the masses of water mixed are equal to m and show that the mixing process is irreversible. Specific heat of water is Sw. Assume, T, > T2. m, kg at T, m,kg at T2 Fig. P. 4.12.2

12.2: m, kg of water at absolute temperature T, is isobarically and adiabatically mixed with m2 kg of water at absolute temperature T2. Find the change in entropy of the universe. Deduce the expression if the masses of water mixed are equal to m and show that the mixing process is irreversible. Specific heat of water is Sw. Assume, T, > T2. m, kg at T, m,kg at T2 Fig. P. 4.12.2

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

12.2: m, kg of water at absolute temperature T, is
isobarically and adiabatically mixed with m, kg
of water at absolute temperature T2. Find the
change in entropy of the universe. Deduce the
expression if the masses of water mixed are
equal to m and show that the mixing process
is irreversible. Specific heat of water is Sw.
Assume, T, >T2.
m, kg
at T
m,kg
at T2
(B)
Fig. P. 4.12.2

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