There are two masses of finite size in contact with a constant thermal reservoir. Initially, the massesare separated, with one at a higher, or hotter, temperature (Th) than the other (it is colder, at Te).The hotter mass has a heat capacity C and the colder mass a heat capacity C.. Both masses arein an adiabatic chamber. The masses are slowly brought into contact and thermal equilibrium isreached. Calculate the change in entropy of the system, and show that when Ch = Ce = C, thatchange is described by the expression:()Th + Tc2C In2, ThTcIs this entropy change physically reasonable?

Consider a subsystem 1 having an incompressible fluid of mass mh ,specific heat ch and initial…

There are two masses of finite size in contact with a constant thermal reservoir. Initially, the masses are separated, with one at a higher, or hotter, temperature (Th) than the other (it is colder, at Te). The hotter mass has a heat capacity Ch, and the colder mass a heat capacity Ce. Both masses are in an adiabatic chamber. The masses are slowly brought into contact and thermal equilibrium is reached. Calculate the change in entropy of the system, and show that when Ch = Ce = C, that change is described by the expression: Th + Te 2C In 2 ThTc Is this entropy change physically reasonable?

There are two masses of finite size in contact with a constant thermal reservoir. Initially, the masses are separated, with one at a higher, or hotter, temperature (Th) than the other (it is colder, at Te). The hotter mass has a heat capacity Ch, and the colder mass a heat capacity Ce. Both masses are in an adiabatic chamber. The masses are slowly brought into contact and thermal equilibrium is reached. Calculate the change in entropy of the system, and show that when Ch = Ce = C, that change is described by the expression: Th + Te 2C In 2 ThTc Is this entropy change physically reasonable?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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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

There are two masses of finite size in contact with a constant thermal reservoir. Initially, the masses
are separated, with one at a higher, or hotter, temperature (Th) than the other (it is colder, at Te).
The hotter mass has a heat capacity C and the colder mass a heat capacity C.. Both masses are
in an adiabatic chamber. The masses are slowly brought into contact and thermal equilibrium is
reached. Calculate the change in entropy of the system, and show that when Ch = Ce = C, that
change is described by the expression:
()
Th + Tc
2C In
2, ThTc
Is this entropy change physically reasonable?

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