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In thermal equilibrium, and only in thermal equilibrium, entropy is constant.

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โˆ™ 2010-09-09 18:48:24
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Q: What is special about the entropy in thermodynamic equilibrium compared to all statesof a system?
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What is the law of entropy?

Entropy is the scientific concept of disorder and randomness that has many broad applications across different branches of physics. While it is not a law itself, it is central to understanding the Second Law of Thermodynamics, as objects that are in thermodynamic equilibrium are at their highest state of entropy.

What is the microscopic basis of entropy?

A microscopic perspective, in statistical thermodynamics the entropy is a measure of the number of microscopic configurations that are capable of yielding the observed macroscopic description of the thermodynamic system:S=KBln Ωwhere Ω is the number of microscopic configurations, and KB is Boltzmann's constant. It can be shown that this definition of entropy, sometimes referred to as Boltzmann's postulate, reproduces all of the properties of the entropy of classical thermodynamics(shahbaz)

What best defines entropy?

Entropy define the state of disorder (big entropy) or order (low entropy).

What condition entropy can decrease in a system?

Entropy of a system can decrease if entropy of the environment increases. One example is heat rejection.

What happens to the entropy in the reaction?

Entropy increases. In a reaction comprised of sub-reactions, some sub-reactions may show a decrease in entropy but the entire reaction will show an increase of entropy. As an example, the formation of sugar molecules by living organisms is a process that shows decrease in entropy at the expense of the loss of entropy by the sun.

Related questions

Which thermodynamic law has to do with entropy?

The second law of thermodynamics, generally stated, is that the entropy of an isolated system always increases in any natural process where change occurs. In a system at equilibrium, of course, the entropy remains constant.

What does the second law of thermodynamic say about entropy?

The entropy and the systems surrounding it tend to increase.

What are the thermodynamic property in four state?

entropy persists

What do natural process tend to increase?

entropy of thermodynamic systems

Why all living things must die?

Entropy, and laws of thermodynamic.

Why defects in crystals are called thermodynamic defects?

Defects in crystals are known as thermodynamics defects because crystal defects are as a result of thermodynamics equilibrium and also increase in entropy has also contributed to it.

Measure of the amount of energy in a thermodynamic system unavailable for doing work?


Which has maximum entropy of vaporization?

Maximum entropy is when thermal equilibrium is reached and no further vaporisation is possible.

Which are descriptions of entropy?

Entropy is a thermodynamic property dealing with disorder. For example, a gas would have a higher entropy than a solid, because the molecules are more disordered. Entropy, along with enthalpy, can be used to determine the spontaneity of a reaction.

What is exactly entropy and what is its main role in explaining the thermodynamic laws?

The thermodynamic entropy S, often simply called the entropy in the context of thermodynamics, is a measure of the amount of energy in a physical system that cannot be used to do work. It is also a measure of the disorder present in a system. The SI unit of entropy is JK-1 (Joule per Kelvin), which is the same unit as heat capacity

Enthalpy vs entropy what is the difference?

ENTHALPHY: Is the energy content of a process (chemical, thermodynamic, mechanical, etc) that can be recovered. It is also described as useful energy. ENTROPY: Is the energy content of a process (chemical, thermodynamic, mechanical, etc) that CAN NOT be recovered. It is also described as chaos.

What has the author P A H Wyatt written?

P. A. H. Wyatt has written: 'The molecular basis of entropy and chemical equilibrium' -- subject(s): Chemical equilibrium, Entropy, Statistical thermodynamics

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