Talk:Activity (chemistry)
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I don't understand why this redirected to the disambiguation page. I've fixed it and tried to write a bit of an article from other sources on the net, but I'm only here because I was looking for information, and I'm not an expert on the topic. Please, chemists, help me!!!
[edit] Unit; examples
What's the unit for measuring activity (I'm assuming it's unitless)? Could we find an example of a numerical value of a common solution?
Do the activities of all the components of a mixture add up to one?
The article currently fails to give a usable definition of the term.
RandomP 16:38, 19 September 2006 (UTC)
- Interestingly, the definitions in the German and English articles describe a different quantity. As I know it, activity is unitless, but defined against an arbitrary standard 1 mol dm-3. Therefore, a concentration of 1.0 mol dm-3 and a coefficient of 0.9 gives an activity of 0.9. --Vuo 21:35, 19 September 2006 (UTC)
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- Thanks! Do you have any examples that involve specific solutions that might be well-known?
- "unitless, but defined against an arbitrary standard", at least to me, appears to make no sense whatsoever. A concentration of 1 mol/l and a coefficient of .9 should surely give an activity of .9?
- not really suggesting doing anything, yet, but in the interest of the sanity of any high school students who might not be allowed the same sloppiness with units in their science classes, I'd like to see sloppy use of units clearly marked on WP, I guess ...
- RandomP 21:46, 19 September 2006 (UTC)
- Actually, the French article seems to have a lot of good content. --Vuo 22:51, 19 September 2006 (UTC)
- The activity in Chemistry is one of the few units which doesn't have a unit. So this is completely normal(It's because when you divide mol.L-1 with mol.L-1 the result has no unit).
- Actually, the French article seems to have a lot of good content. --Vuo 22:51, 19 September 2006 (UTC)
[edit] Merger/Translation
Obviously the french and german articals cannot be merged without translation. If users who speak french or german or preferrably both could judge which is best it could be requested that that article be translated and merged with the english article. Vuo Has already suggested that the French article has a lot of good content what are others peoples views and it could then be requested for translation from whichever comes out on top. --Ksbrown 21:03, 22 September 2006 (UTC)
- I have added it to the french translation board: Wikipedia:Translation_into_English/French#:Activit.C3.A9_chimique Ksbrown 15:39, 23 October 2006 (UTC)
