Thermodynamic activity: Revision history

9 November 2024

• curprev 01:3001:30, 9 November 2024 2601:152:4b00:dcb0:969:ee62:dbfd:691c talk 21,890 bytes +15 No edit summary undo Tag: Visual edit

21 April 2024

• curprev 18:1118:11, 21 April 2024 Dirac66 talk contribs 21,875 bytes +193 Added citation for pure solids and liquids undo
• curprev 17:0617:06, 21 April 2024 Dirac66 talk contribs 21,682 bytes +138 Undid revision 1203085217 by 2600:8802:5501:9C30:D88:9E09:98EC:322F (talk) Restored a = 1 for pure substances undo Tag: Undo

4 February 2024

• curprev 04:5104:51, 4 February 2024 2600:8802:5501:9c30:d88:9e09:98ec:322f talk 21,544 bytes −138 The removed sentence is true for the *activity coefficient*, not the activity. undo Tag: Reverted

7 October 2023

• curprev 16:0016:00, 7 October 2023 Michele Valsecchi talk contribs m 21,682 bytes −9 →Conciseness undo
• curprev 15:5715:57, 7 October 2023 Michele Valsecchi talk contribs m 21,691 bytes +139 →Clarification undo

27 September 2023

• curprev 17:0217:02, 27 September 2023 Michele Valsecchi talk contribs m 21,552 bytes +50 →Definition undo

24 September 2023

• curprev 08:0608:06, 24 September 2023 168.5.42.218 talk 21,502 bytes −2 →top: Clarified writing undo Tags: Mobile edit Mobile app edit Android app edit

2 August 2023

• curprev 06:5706:57, 2 August 2023 Vuo talk contribs 21,504 bytes +64 →Use: fugacity mentioned here as well undo

1 August 2023

• curprev 10:3010:30, 1 August 2023 Vuo talk contribs 21,440 bytes +237 →Use: chemical potential was not introduced at all, so this intro was very much opaque to non-experts; adding some basic dimensional intuition undo

26 February 2023

• curprev 14:0014:00, 26 February 2023 Walter Tau talk contribs m 21,203 bytes −14 →Single ion activity measurability revisited: improved English. undo

16 February 2023

• curprev 11:3011:30, 16 February 2023 131.111.5.182 talk 21,217 bytes +12 →Use undo Tags: Mobile edit Mobile web edit

14 December 2022

• curprev 22:3122:31, 14 December 2022 Shinkolobwe talk contribs 21,205 bytes −4 Continuing the systematic replacement of the unclear terms in the whole page to be consistent undo
• curprev 22:2322:23, 14 December 2022 Shinkolobwe talk contribs 21,209 bytes −6 →Activity coefficient: Replacement of unclear terms: amount fraction → mole fraction and amount concentration → molar concentration more commonly encountered expressions undo
• curprev 11:4211:42, 14 December 2022 Shinkolobwe talk contribs 21,215 bytes +238 →Mixtures in general: Defining ni and n explicitly in the text immediately below the three relationships undo
• curprev 11:1811:18, 14 December 2022 Shinkolobwe talk contribs 20,977 bytes +2 →Mixtures in general: amount fractions → mole fractions undo
• curprev 11:1211:12, 14 December 2022 Shinkolobwe talk contribs 20,975 bytes +9 →Gases: mole fraction undo

29 October 2022

• curprev 15:4515:45, 29 October 2022 InfoMaintenance talk contribs 20,966 bytes +14 →Single ion activity measurability revisited undo

3 June 2022

• curprev 20:2820:28, 3 June 2022 Hellacioussatyr talk contribs 20,952 bytes +61 →Example values undo Tags: Mobile edit Mobile web edit Advanced mobile edit

28 May 2022

• curprev 03:0903:09, 28 May 2022 PointlessUsername talk contribs 20,891 bytes +22 →External links undo Tag: Visual edit

13 February 2022

• curprev 01:2301:23, 13 February 2022 Klaus Schmidt-Rohr talk contribs 20,869 bytes +115 Pointed out the relation of water activity to relative humidity. undo Tag: Visual edit

10 February 2022

• curprev 19:4119:41, 10 February 2022 Klaus Schmidt-Rohr talk contribs 20,754 bytes +368 Corrected an incorrect statement, based on Table 25.1 in McQuarrie and Simon, who also write (p. 990): "activities ... are meaningless unless it is clear just what has been used as the standard state." undo Tag: Visual edit

9 February 2022

• curprev 21:5921:59, 9 February 2022 AnomieBOT talk contribs m 20,386 bytes +19 Dating maintenance tags: {{Citation needed}} undo
• curprev 19:5919:59, 9 February 2022 Klaus Schmidt-Rohr talk contribs 20,367 bytes +269 Various technical revisions, in particular a clarification regarding the effect of interactions (ideal solutions do have intermolecular interactions, too). undo Tag: Visual edit

24 October 2021

• curprev 22:4522:45, 24 October 2021 Hellacioussatyr talk contribs m 20,098 bytes +2 →Use undo Tag: 2017 wikitext editor

18 October 2021

• curprev 14:2314:23, 18 October 2021 163.118.51.53 talk 20,096 bytes +11 →Use undo

12 July 2021

• curprev 03:0903:09, 12 July 2021 Wbm1058 talk contribs m 20,085 bytes +21 redirect bypass from Solution to Solution (chemistry) using popups undo

28 December 2020

• curprev 07:2207:22, 28 December 2020 DubleH talk contribs 20,064 bytes +4 No edit summary undo Tags: Mobile edit Mobile web edit

5 December 2020

• curprev 12:5012:50, 5 December 2020 Shinkolobwe talk contribs 20,060 bytes +87 Importing Wikidata short description: "Measure of the effective concentration of a species in a mixture" (Shortdesc helper) undo

16 October 2020

• curprev 09:4109:41, 16 October 2020 Citation bot talk contribs 19,973 bytes +47 Add: jstor, doi, issue. | You can use this bot yourself. Report bugs here. | Suggested by Abductive | Category:Physical chemistry | via #UCB_Category 65/273 undo

17 June 2020

• curprev 07:2207:22, 17 June 2020 WOSlinkerBot talk contribs m 19,926 bytes −17 remove un-needed options from tables undo

4 February 2020

• curprev 12:3712:37, 4 February 2020 86.153.213.23 talk 19,943 bytes +24 No edit summary undo

4 October 2019

• curprev 18:4518:45, 4 October 2019 Aeusoes1 talk contribs 19,919 bytes −29 rm superfluous wording undo

16 September 2019

• curprev 18:1718:17, 16 September 2019 Beland talk contribs m 19,948 bytes 0 convert special characters (via WP:JWB) undo

13 June 2019

• curprev 14:1814:18, 13 June 2019 132.206.43.112 talk 19,948 bytes +21 →External links undo
• curprev 14:1714:17, 13 June 2019 132.206.43.112 talk 19,927 bytes −21 →External links undo

3 May 2019

• curprev 08:4408:44, 3 May 2019 Blue.painting talk contribs m 19,948 bytes −13 make those mu in-text in math mode, it is more clear i think. undo

22 April 2019

• curprev 14:5414:54, 22 April 2019 Jauerback talk contribs 19,961 bytes −32 →Ionic solutions: see WP:NOTED, MOS:NOTED, and WP:OPED undo

1 April 2019

• curprev 10:2510:25, 1 April 2019 163.1.223.177 talk 19,993 bytes +73 →Measurement undo
• curprev 10:2510:25, 1 April 2019 163.1.223.177 talk 19,920 bytes +28 →Measurement undo

13 January 2019

• curprev 19:4919:49, 13 January 2019 Citation bot talk contribs m 19,892 bytes −26 Alter: isbn. Add: pmid, issue. Removed parameters. | You can use this bot yourself. Report bugs here. | User-activated. undo

10 November 2018

• curprev 20:2620:26, 10 November 2018 Dirac66 talk contribs m 19,918 bytes +14 The term "activity" was coined by Lewis → The term "activity" in this sense was coined by Lewis undo
• curprev 04:5104:51, 10 November 2018 VexorAbVikipædia talk contribs 19,904 bytes +437 Added info' re coining of term "activity" -- with reference (Lewis, 1907) undo

24 October 2018

• curprev 15:1715:17, 24 October 2018 Dirac66 talk contribs 19,467 bytes +16 →Definition: Specified that chemical potentials are actually molar (as per talk page) undo

3 August 2018

• curprev 13:1613:16, 3 August 2018 24.57.106.253 talk 19,451 bytes −2 →Gases: Fixed extra }} typo undo

29 May 2018

• curprev 02:4502:45, 29 May 2018 81.129.155.96 talk 19,453 bytes +476 No edit summary undo

23 May 2018

• curprev 13:3313:33, 23 May 2018 Sscott328 talk contribs m 18,977 bytes −3 →Definition: corrected minor grammatical error undo

24 April 2018

• curprev 13:3313:33, 24 April 2018 Biggerj1 talk contribs 18,980 bytes +9 →Definition undo

20 April 2018

• curprev 19:5019:50, 20 April 2018 Nemo bis talk contribs 18,971 bytes +13 Added free to read link in citations with OAbot #oabot undo Tag: OAbot [1.0]

26 February 2018

• curprev 02:1902:19, 26 February 2018 Dirac66 talk contribs m 18,958 bytes +55 →Gases: Links for pressure units at first mention undo