Nernst unattainability principle
E700592
The Nernst unattainability principle is a formulation of the third law of thermodynamics stating that it is impossible to reach absolute zero temperature in a finite number of physical processes.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Nernst unattainability principle canonical | 1 |
| unattainability principle | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7903620 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Nernst unattainability principle Context triple: [third law of thermodynamics, relatedTo, Nernst unattainability principle]
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A.
Clausius statement of the second law of thermodynamics
The Clausius statement of the second law of thermodynamics asserts that heat cannot spontaneously flow from a colder body to a hotter body without external work being performed.
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B.
Onsager reciprocal relations
Onsager reciprocal relations are fundamental symmetry relations in nonequilibrium thermodynamics that link pairs of coupled fluxes and forces, showing that certain transport coefficients are equal.
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C.
Carathéodory’s formulation of the second law of thermodynamics
Carathéodory’s formulation of the second law of thermodynamics is a mathematically rigorous restatement of the second law based on the inaccessibility of certain thermodynamic states, providing a foundation for the concept of entropy without relying on cyclic processes or heat engines.
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D.
Kohlrausch law of independent migration of ions
The Kohlrausch law of independent migration of ions states that at infinite dilution, each ion contributes a characteristic, additive amount to the total molar conductivity of an electrolyte solution, independent of the other ions present.
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E.
Thermodynamics and the Free Energy of Chemical Substances
Thermodynamics and the Free Energy of Chemical Substances is a foundational 1923 textbook by Gilbert N. Lewis and Merle Randall that systematically applied thermodynamic principles to chemical equilibria and free energy, helping to establish modern physical chemistry.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Nernst unattainability principle Target entity description: The Nernst unattainability principle is a formulation of the third law of thermodynamics stating that it is impossible to reach absolute zero temperature in a finite number of physical processes.
-
A.
Clausius statement of the second law of thermodynamics
The Clausius statement of the second law of thermodynamics asserts that heat cannot spontaneously flow from a colder body to a hotter body without external work being performed.
-
B.
Onsager reciprocal relations
Onsager reciprocal relations are fundamental symmetry relations in nonequilibrium thermodynamics that link pairs of coupled fluxes and forces, showing that certain transport coefficients are equal.
-
C.
Carathéodory’s formulation of the second law of thermodynamics
Carathéodory’s formulation of the second law of thermodynamics is a mathematically rigorous restatement of the second law based on the inaccessibility of certain thermodynamic states, providing a foundation for the concept of entropy without relying on cyclic processes or heat engines.
-
D.
Kohlrausch law of independent migration of ions
The Kohlrausch law of independent migration of ions states that at infinite dilution, each ion contributes a characteristic, additive amount to the total molar conductivity of an electrolyte solution, independent of the other ions present.
-
E.
Thermodynamics and the Free Energy of Chemical Substances
Thermodynamics and the Free Energy of Chemical Substances is a foundational 1923 textbook by Gilbert N. Lewis and Merle Randall that systematically applied thermodynamic principles to chemical equilibria and free energy, helping to establish modern physical chemistry.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
formulation of the third law of thermodynamics
ⓘ
thermodynamic principle ⓘ |
| appliesTo |
irreversible processes
ⓘ
macroscopic thermodynamic systems ⓘ reversible processes ⓘ |
| assumes | validity of classical thermodynamics near absolute zero ⓘ |
| concerns |
absolute zero temperature
ⓘ
low-temperature thermodynamics ⓘ |
| constrains |
design of cryogenic systems
ⓘ
design of refrigeration cycles ⓘ |
| hasAlternativeName |
unattainability formulation of the third law
ⓘ
unattainability principle ⓘ
linked to:
Nernst unattainability principle
|
| hasConsequence |
cooling rate must go to zero as temperature approaches absolute zero
ⓘ
infinite number of steps would be required to reach absolute zero ⓘ infinite time would be required to reach absolute zero ⓘ |
| implies | absolute zero temperature is unattainable in practice ⓘ |
| influenced |
development of low-temperature physics
ⓘ
formulation of quantum statistical mechanics at low temperatures ⓘ |
| isPartOf | third law of thermodynamics ⓘ |
| isRelatedTo |
Nernst heat theorem
ⓘ
linked to:
third law of thermodynamics
cooling processes ⓘ cryogenics ⓘ entropy at absolute zero ⓘ |
| motivated | experimental investigations of low-temperature behavior of matter ⓘ |
| namedAfter | Walther Nernst ⓘ |
| relatesTo | third law of thermodynamics ⓘ |
| states |
it is impossible to reach absolute zero temperature in a finite number of processes
ⓘ
no finite sequence of thermodynamic operations can reduce a system’s temperature to absolute zero ⓘ |
| supports | stability of the third law of thermodynamics ⓘ |
| usedIn |
analysis of low-temperature limits of physical processes
ⓘ
thermodynamic proofs of the third law ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Nernst unattainability principle Description of subject: The Nernst unattainability principle is a formulation of the third law of thermodynamics stating that it is impossible to reach absolute zero temperature in a finite number of physical processes.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Nernst unattainability principle