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This article was the subject of a Wiki Education Foundation-supported course assignment, between 24 August 2021 and 20 December 2021. Further details are available on the course page. Student editor(s): Jkierna6.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 07:18, 17 January 2022 (UTC)[reply]

Sum vs product of concentrations

@Smokefoot:, are you sure in changing "product of the concentrations" to "sum of the concentrations" here? The product of the concentrations/(or to be more correct, activities) would remain constant as K_w.. Galobtter (pingó mió) 17:56, 9 August 2018 (UTC)[reply]

Oops and yikes. --Smokefoot (talk) 18:03, 9 August 2018 (UTC)[reply]

Hard water

explain Hard water and soft water and how to reduce the hardness — Preceding unsigned comment added by 49.206.5.28 (talk) 12:34, 20 March 2019 (UTC)[reply]

Because it is such a huge topic, we have lots of articles about water. This article is about certain technical properties of water. As the Hatnote says: see Water for a more general discussion. That article will take you to Water hardness. -Arch dude (talk) 16:17, 28 June 2019 (UTC)[reply]

This article has been thoroughly written. The lead section lays the foundation for the rest of the article, explaining the basics of water. The article does a great job building upon information to create a cohesive explanation of water and its many qualities. The article also references many different sources. Jkierna6 (talk) 06:02, 11 September 2021 (UTC)Jkierna6[reply]

Adding theoretic vapour / actual density percentage lines to phase diagram

In every point of the phase diagram in section "Triple point" there is a certain quotient "actual molar volume of water / (theoretic or actual) molar volume of vapour water". In the orange coloured vapour area this would be everywhere 100%, molar volume there is simply R × T / p, while in the liquid and solid areas certain distinct percentage lines result which should also be a bit visible? --LKreissig (talk) 17:03, 16 May 2022 (UTC)[reply]

What government can do to provide equal accessed of water

what government can do to provide equal access to water Manalony (talk) 22:19, 22 May 2024 (UTC)[reply]

Not relevant to this topic. Sorry. Velella ^{Velella Talk} 07:29, 23 May 2024 (UTC)[reply]

Try the article Human right to water and sanitation. Dirac66 (talk) 12:18, 23 May 2024 (UTC)[reply]

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+==Wiki Education Foundation-supported course assignment==
+[[File:Sciences humaines.svg|40px]] This article was the subject of a Wiki Education Foundation-supported course assignment, between <span class="mw-formatted-date" title="2021-08-24">24 August 2021</span> and <span class="mw-formatted-date" title="2021-12-20">20 December 2021</span>. Further details are available [[Wikipedia:Wiki_Ed/Villanova_University/MSE_2301_Fall_2021_(Fall_2021)|on the course page]]. Student editor(s): [[User:Jkierna6|Jkierna6]].
+{{small|Above undated message substituted from [[Template:Dashboard.wikiedu.org assignment]] by [[User:PrimeBOT|PrimeBOT]] ([[User talk:PrimeBOT|talk]]) 07:18, 17 January 2022 (UTC)}}
-== Specific vs Molar Heat Capacity ==
+==Sum vs product of concentrations==
-The intensive heat capacity value in the info box is per mole (Molar Heat Capacity) but labeled "Specific Heat Capacity", which is per mass. Is there a reason for this? [[User:Thelbert|Thelbert]] ([[User talk:Thelbert|talk]]) 21:49, 16 December 2015 (UTC)
+{{ping|Smokefoot}}, are you sure in changing "product of the concentrations" to "sum of the concentrations" [https://en.wikipedia.org/enwiki/w/index.php?title=Properties_of_water&diff=854207744&oldid=854207380 here]? The product of the concentrations/(or to be more correct, activities) would remain constant as K<sub>w</sub>.. [[User:Galobtter|Galobtter]] ([[User talk:Galobtter|pingó mió]]) 17:56, 9 August 2018 (UTC)
+:Oops and yikes.  --[[User:Smokefoot|Smokefoot]] ([[User talk:Smokefoot|talk]]) 18:03, 9 August 2018 (UTC)
+== Hard water ==
-I am sorry, but I suppose you must have done an error in normal temperature water density  - "Liquid: 999.9720 kg/m3" should be "Liquid: 997.20 kg/m3" instead. Let us look at https://water.usgs.gov/edu/density.html . I went through chemical high school, I remember there was a "room" to argue that "water density is not exactly 1 (g/ml)". If it were by just 0.003%, no one would be seriously complaining, but 0.3% is something you can distinguish by normal balances.  <!-- Template:Unsigned --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:1x2trfn|1x2trfn]] ([[User talk:1x2trfn#top|talk]] • [[Special:Contributions/1x2trfn|contribs]]) 21:57, 16 February 2017 (UTC)</small> <!--Autosigned by SineBot-->
+explain Hard water and soft water and how to reduce the hardness  <!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/49.206.5.28|49.206.5.28]] ([[User talk:49.206.5.28#top|talk]]) 12:34, 20 March 2019 (UTC)</small> <!--Autosigned by SineBot-->
+:Because it is such a huge topic, we have lots of articles about water. This article is about certain technical properties of water. As the Hatnote says: see [[Water]] for a more general discussion. That article will take you to [[Water hardness]]. -[[User:Arch dude|Arch dude]] ([[User talk:Arch dude|talk]]) 16:17, 28 June 2019 (UTC)
+This article has been thoroughly written. The lead section lays the foundation for the rest of the article, explaining the basics of water. The article does a great job building upon information to create a cohesive explanation of water and its many qualities. The article also references many different sources. [[User:Jkierna6|Jkierna6]] ([[User talk:Jkierna6|talk]]) 06:02, 11 September 2021 (UTC)Jkierna6
+== Adding theoretic vapour / actual density percentage lines to phase diagram ==
-== External links modified ==
+In every point of the phase diagram in section "Triple point" there is a certain quotient "actual molar volume of water / (theoretic or actual) molar volume of vapour water". In the orange coloured vapour area this would be everywhere 100%, molar volume there is simply R × T / p, while in the liquid and solid areas certain distinct percentage lines result which should also be a bit visible? --[[User:LKreissig|LKreissig]] ([[User talk:LKreissig|talk]]) 17:03, 16 May 2022 (UTC)
-Hello fellow Wikipedians,
+== What government can do to provide equal accessed of water ==
-I have just modified 4 external links on [[Properties of water]]. Please take a moment to review [https://en.wikipedia.org/enwiki/w/index.php?diff=prev&oldid=781677188 my edit]. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit [[User:Cyberpower678/FaQs#InternetArchiveBot|this simple FaQ]] for additional information. I made the following changes:
-*Added archive https://web.archive.org/web/20110726171925/http://old.iupac.org/publications/books/principles/principles_of_nomenclature.pdf to http://old.iupac.org/publications/books/principles/principles_of_nomenclature.pdf
-*Added archive https://web.archive.org/web/20110726171925/http://old.iupac.org/publications/books/principles/principles_of_nomenclature.pdf to http://old.iupac.org/publications/books/principles/principles_of_nomenclature.pdf
-*Added archive https://web.archive.org/web/20110726171925/http://old.iupac.org/publications/books/principles/principles_of_nomenclature.pdf to http://old.iupac.org/publications/books/principles/principles_of_nomenclature.pdf
-*Added archive https://web.archive.org/web/20080309145159/http://www.iapws.org/relguide/IAPWS95.pdf to http://www.iapws.org/relguide/IAPWS95.pdf
+what government can do to provide equal access to water [[User:Manalony|Manalony]] ([[User talk:Manalony|talk]]) 22:19, 22 May 2024 (UTC)
-When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.
+:Not relevant to this topic. Sorry. <span style="background-color:lightblue">'''''&nbsp;[[User:Velella|Velella]]&nbsp;'''''</span><span style="background-color:lightblue">&nbsp;<sup>''[[User talk:Velella|Velella]] Talk ''</sup>&nbsp;</span> 07:29, 23 May 2024 (UTC)
-{{sourcecheck|checked=false|needhelp=}}
+::Try the article [[Human right to water and sanitation]]. [[User:Dirac66|Dirac66]] ([[User talk:Dirac66|talk]]) 12:18, 23 May 2024 (UTC)
-Cheers.—[[User:InternetArchiveBot|'''<span style="color:darkgrey;font-family:monospace">InternetArchiveBot</span>''']] <span style="color:green;font-family:Rockwell">([[User talk:InternetArchiveBot|Report bug]])</span> 16:29, 22 May 2017 (UTC)
-== External links modified ==
-Hello fellow Wikipedians,
-I have just modified one external link on [[Properties of water]]. Please take a moment to review [https://en.wikipedia.org/enwiki/w/index.php?diff=prev&oldid=781933589 my edit]. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit [[User:Cyberpower678/FaQs#InternetArchiveBot|this simple FaQ]] for additional information. I made the following changes:
-*Added archive https://web.archive.org/web/20111113102454/http://www.asprs.org/a/publications/pers/2000journal/february/2000_feb_155-161.pdf to http://www.asprs.org/a/publications/pers/2000journal/february/2000_feb_155-161.pdf
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-== Solubility ==
-I've just reverted a good-faith edit by {{u|Weneedwikipedia‎}} to the solubility_other parameter in Template:Chembox, intending to move Weneedwikipedia‎'s new content to solvent_other, but the template does not have this parameter.  Should we record the fact that water is an excellent solvent in the infobox, or is it sufficient to record the fact later in the running text?  [[User:Dbfirs|''<font face="verdana"><font color="blue">D</font><font color="#00ccff">b</font><font color="#44ffcc">f</font><font color="66ff66">i</font><font color="44ee44">r</font><font color="44aa44">s</font></font>'']] 11:34, 29 May 2017 (UTC)