Source / pinned edition

Entropy

Source of package openstax.thermodynamics · OpenStax University Physics, ch. 4 The Second Law of Thermodynamics, module m58407

work: urn:openstax:clir:thermodynamics#M58407
number: OpenStax University Physics, ch. 4 The Second Law of Thermodynamics, module m58407
kind: urn:openstax:clir:thermodynamics#treatise

m58407/index.cnxml at commit d0ed34a (main, 2026-06-11)

edition: urn:openstax:clir:thermodynamics#M58407_MAIN
language: en
officiality: official
materialisation: PINNED_OFFICIAL_BYTES
life cycle: adopted: 2026-06-11

Publications

URI	Type	documentHash	Retrieved
https://raw.githubusercontent.com/openstax/osbooks-university-physics-bundle/d0ed34a5851119a42e3d972dfc0ff49e4663977c/modules/m58407/index.cnxml	application/xml; charset=utf-8	sha256:3607223c62e44cb21f95c5ee74dd60f0311ca94b5afa47e3eef7c578b3ed9bec	2026-09-06T00:00:00Z

Fragments — 2

module/m58407#fs-id1167584769967 · defn · referenced by: 2

en · official · sha256:50b665a00343c310fa7e89495adceeb00f2a751e28fa09e8b71f37b5cb1c0c81

<definition id="fs-id1167584769967"> <term>entropy</term> <meaning id="fs-id1167584749829">state function of the system that changes when heat is transferred between the system and the environment</meaning> </definition>

Referencing norms: EntropyChangeAtConstantTemperature, isothermal_heat_and_temperature

module/m58407#fs-id1167584981815 · defn · referenced by: 3

en · official · sha256:3398b28b63635589efa37564b0c33d072a86136b962dcb0d790fb7b856e9df18

<definition id="fs-id1167584981815"> <term>entropy statement of the second law of thermodynamics</term> <meaning id="fs-id1167584761304">entropy of a closed system or the entire universe never decreases</meaning> </definition>

Referencing norms: DecreasingEntropyIsForbidden, NonDecreasingEntropyIsAllowed, closed_system_total_entropy_change

The hash beside the text is the sha256 of its exact bytes. It is the check that the text shown matches the one pinned in the package: a divergence fails the oracle’s static analysis.