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activity coefficient

value accounting for thermodynamic non-ideality of mixtures
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activity coefficient

Summary

activity coefficient ranks in the top 2% of general entities by monthly Wikipedia readership (326 views/month).[1]

Key Facts

  • activity coefficient is a type of dimensionless quantity[2].
  • activity coefficient is a type of physical quantity[3].
  • activity coefficient is a type of chemical quantity[4].
  • activity coefficient's described by source is recorded as ISO 80000-9:2019 Quantities and units — Part 9: Physical chemistry and molecular physics[5].
  • activity coefficient's different from is recorded as activity factor[6].
  • activity coefficient's maintained by WikiProject is recorded as WikiProject Mathematics[7].
  • activity coefficient's recommended unit of measurement is recorded as 1[8].

Body

Definition and Type

Recorded subclass of include dimensionless quantity[2], physical quantity[3], and chemical quantity[4].

Why It Matters

activity coefficient ranks in the top 2% of general entities by monthly Wikipedia readership (326 views/month).[1] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[9] It is known by 5 alternative names across languages and contexts.[10]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . ISO 80000-9:2019 Quantities and units — Part 9: Physical chemistry and molecular physics. wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). activity coefficient. Retrieved April 10, 2026, from https://4ort.xyz/entity/activity-coefficient
MLA “activity coefficient.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/activity-coefficient.
BibTeX @misc{4ortxyz_activity-coefficient_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{activity coefficient}}, year = {2026}, url = {https://4ort.xyz/entity/activity-coefficient}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): activity coefficient — https://4ort.xyz/entity/activity-coefficient (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/activity-coefficient · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · Twofivesixbot bot · 2026-05-26 view diff on Wikidata ↗
    Subclass of → —
    Aliases → —
    Different from → activity factor
    Subclass of → dimensionless quantity, physical quantity, chemical quantity
    + 3 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|2 */ [[Property:P8189]]: 987007293850005171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.