Absolute Zero

Boltzmann Equation for Entropy:

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406003397
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Joined: Mon Jan 09, 2023 2:04 am

Absolute Zero

Postby 406003397 » Thu Mar 14, 2024 1:34 am

Regarding the Third Law of Thermodynamics, can someone explain why it is impossible to reach absolute zero in a finite number of steps? How does this law help us understand the absolute entropies of substances?
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Travis Crane 1H
Posts: 41
Joined: Tue Nov 14, 2023 9:04 am

Re: Absolute Zero

Postby Travis Crane 1H » Thu Mar 14, 2024 10:29 am

It is impossible to reach absolute zero in a finite number of steps regarding the third law of thermodynamics because as temperature decreases towards absolute zero, the entropy of a system approaches a minimum value. This minimum value may never be zero, however, because acquiring zero would require removing all energy from the system which is essentially impossible.
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