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Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
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chemical, latex, typeset Sticky Thread Pinned: Chemical LaTeX typeset ( 1 2 3 ... Last)
Physicsforums now has a very cool feature, which enables complex typesetting for formulas or equations! A tutorial...
Jul7-13 04:53 PM
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chemistry, websites Sticky Thread Pinned: Good chemistry websites ( 1 2 3 ... Last)
I think that these links can be interesting: PeriodicTable:
Jan9-14 11:09 AM
113 126,314
what is the difference between cyclic paraffin and paraffin? Plz give me example
Nov15-07 03:45 PM
2 1,237
Hi, I am performing a helium leak experiment in which the detector outputs a number in mbar.L/s which is the amount...
Jul28-10 07:47 AM
0 3,439
I am in Gr.11 chemistry, and I am suppose to study and do a report and presentation on anything related to chemistry....
Mar17-07 12:18 AM
1 1,006
NH4+ + H2O (kr) = (kf) NH3 + H3O+; the same reaction can be written as: NH4+ + HO- (kr) = (kf) NH3 + H2O; where...
Apr8-14 02:47 PM
3 227
How does fat change to glucose? Please give links, slideshows and e-books, where are reactions, schemes, mechanisms...
Mar19-10 01:59 PM
2 987
What is the maximum size scale (how many atoms) where the concept of wave function is still useful in chemistry esp....
Jan28-11 04:16 PM
12 2,063
I would like to trap neon gas in a beer bottle with a bottle capper. My goal is to build a plasma ball (tesla ball) ...
Jun9-13 06:50 PM
11 1,127
The question might be a little stupid but I think that since I am very new to the biological world, I must ask So,...
Apr13-13 01:30 AM
5 2,969
I am a student of Biomedical Engineering and I dont really like chemistry very much. I have a course of Biochemistry...
May15-11 03:41 AM
Ali Inam
0 1,090
An element with the following electronic configuration: 3d3 4s2 a) what. Does it belong to? Period 4 b) what is...
Nov4-12 02:32 AM
3 2,242
Hello fellow scientists! I'm confronted to this conundrum: I've been asked to find which substance present in blood...
Mar17-13 12:45 PM
8 777
Is there a more common term for indicate the concept of depth of an absorption propose by Clark (I suppose)? "The...
Aug15-12 05:11 AM
0 656
I've been browsing the web but i can't manage to find a reliable source to address the environmental impact of dry...
Feb18-10 12:30 AM
0 3,385
I cannot find any information of the environmental impacts of button cells.... could someone inform me of the impacts...
Feb23-10 01:10 AM
0 1,527
I've got a sample containing 8 substances: P, S, C and Si (+4 metals) wich i need to analyse. I was planning on using...
Nov23-07 01:42 PM
6 4,412
Photographic film contains a thin layer of silver bromide (AgBr) Crystals. When the light hits the film. Electrons are...
Jun21-11 02:30 AM
1 1,229
I start working with the OCA15plus tensiometer and I don't know what the three red lines that appear in the program...
Apr16-10 02:18 AM
3 2,040
Could someone help with a way (or method) of how to determine the content of calcium in milk at a high school level.
Oct29-04 06:56 PM
9 12,470
we have just started this topic and i dont believe that i undestand it very well. anyone has any usefull info for...
Jul31-04 10:39 PM
4 2,073
it is the experiment that i did in school!~ topic:boiling point with composition for different mixtures of two...
May13-05 10:51 AM
2 1,782
... or would it be inert to it as well? And if this depends on the particular gas and radical, could you give an...
Dec13-04 03:52 AM
2 2,752
Greetings, Im taking contact with femtochemistry. As you know, the goal of this area is the real time following...
Aug24-04 11:29 AM
2 1,848
Hi! My local libraryes are closed theese days and I need the Mark-Houwink-Sakurada constants ("K" and "a") of...
Jan8-05 07:30 PM
1 6,163
If i have a reaction between iron(II) sulphate, sulphuric acid and potassium permanganate (KMnO4), what are the ions...
May23-05 12:42 PM
43 4,320
hi forum, would nebody be able to help me solve this problem? 0.18mol of potassium cyanide (KCN) was dissolved in...
Jun8-05 08:44 AM
2 1,663
Hi, I really tried to find some explanation about this notation S(x)-S(y), but I couldn't find any! I am reading a...
May28-11 06:55 PM
4 1,437
the composition of ozone is O3 and the oxygen O2 present in atmosphere.considering the masses of O3 and O2 , the O3 is...
Oct9-10 11:09 AM
3 1,356
Hi all How to purify copper alloys electrochemically ? please describe all possible commerically feseable ways...
Oct13-04 03:10 PM
1 2,793
Hi all can any body help me how to get acid fast dyes like Denatonium benzoate And Denatonium benzoate have any...
Oct7-04 08:16 AM
1 1,766
Hello, I have been measuring quantum yields in the lab for quite some time and have occasionally been running into...
Jan31-14 12:42 PM
1 316
Hello, I hope all is well, I have a few questions regarding fluorescence spectral corrections. I have run into an...
Mar19-14 06:35 AM
0 311
Hello. I am taking Organic Chemistry I and I purchased a Prentice Hall org chem molecular model set. I hate it! It is...
Jan7-05 07:21 PM
2 1,540
Can someone point me in the right direction to find a page that gives the actual mechanism for this reaction? My book...
Mar30-05 07:23 PM
0 2,335
I have to take this exam in order to transfer my community college organic chem. I need to score in the 75th...
Jul3-09 10:52 AM
6 41,301
I can't figure it out. I missed this somewhere, and got by with just figuring it as an -R group, but is it some...
Jun24-05 04:21 PM
6 2,313
My textbook doesn't discuss this and the ACS exam study guide asks about it. I don't know how to name this, but...
Jun28-05 09:50 PM
6 3,286
Well i am having problem prepearing this alcohol from bromobenzene and 1-butene please help.This question is...
Jul31-04 09:22 PM
26 4,503
Why do we use alcoholic Ammonia not Ammonia only or aqueous ammonia while using it to treat haloalkanes to form...
Oct12-04 10:20 PM
4 1,315
well i have a really simple question about organic chemistry if someone could help me it wil be nice. Q. why is...
Oct6-04 07:36 AM
6 1,403
I need to write the NIE for these: 1. "0.1M lead nitrate, Pb\left(NO_3\right)_2 and 1.0M sodium chloride, NaCl." ...
Sep19-05 11:12 PM
5 8,197

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