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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,105
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
jackmell
64 155,288
chemistry, websites Sticky Thread Pinned: Good chemistry websites ( 1 2 3 ... Last)
I think that these links can be interesting: PeriodicTable: http://www.webelements.com/...
May7-14 10:06 PM
Awheezi
115 147,593
Hi All I have a question regarding what type of chemical/solution that is recommended to dissolve solidified...
Apr15-11 11:35 PM
Nemus
1 2,276
Hi, I am trying to do a experiment on artificially induced hibernation of mice. I am trying to send 80ppm of a...
Jul5-07 11:11 AM
JGM_14
13 2,614
what is the difference between cyclic paraffin and paraffin? Plz give me example
Nov15-07 03:45 PM
staf9
2 1,270
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
AlexN07
0 3,626
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
chemisttree
1 1,040
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
Borek
3 443
I'm developing an experiment where an exothermic reaction will evolve water as an unavoidable byproduct, and for...
Jun4-14 10:42 PM
russ_watters
2 633
How does fat change to glucose? Please give links, slideshows and e-books, where are reactions, schemes, mechanisms...
Mar19-10 01:59 PM
chemisttree
2 1,023
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
alxm
12 2,189
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
algar32
11 1,753
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
cimmerian
5 3,079
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 1,137
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
DrDu
3 2,418
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
chemisttree
8 1,068
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
AlKindi
0 697
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
Allens
0 3,536
I cannot find any information of the environmental impacts of button cells.... could someone inform me of the impacts...
Feb23-10 01:10 AM
Allens
0 1,638
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
lightarrow
6 4,663
Photographic film contains a thin layer of silver bromide (AgBr) Crystals. When the light hits the film. Electrons are...
Jun21-11 02:30 AM
Borek
1 1,281
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
Borek
3 2,140
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
GCT
9 12,828
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
maverick280857
4 2,148
it is the experiment that i did in school!~ topic:boiling point with composition for different mixtures of two...
May13-05 10:51 AM
GCT
2 1,820
... 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
chem_tr
2 2,809
Greetings, Im taking contact with femtochemistry. As you know, the goal of this area is the real time following...
Aug24-04 11:29 AM
altered-gravity
2 2,065
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
altered-gravity
1 6,252
What are the facts about water, if I drink water that has mercury in it or led, can it mess up your brain and/or body?...
Jul11-14 10:42 AM
Borek
9 2,246
If i have a reaction between iron(II) sulphate, sulphuric acid and potassium permanganate (KMnO4), what are the ions...
May23-05 12:42 PM
Gokul43201
43 4,495
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
GCT
2 1,717
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
amarante
4 1,528
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
Borek
3 1,477
Hi all How to purify copper alloys electrochemically ? please describe all possible commerically feseable ways...
Oct13-04 03:10 PM
chem_tr
1 2,926
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
iansmith
1 1,818
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
DrDu
1 390
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
amattiol
0 397
Hello, I have having some difficulty determining the conformer and assigning H-NMR peaks for a compound with a...
May4-14 10:13 PM
Greg Bernhardt
1 651
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
amb123
2 1,611
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
fleazo
6 42,048
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
movies
6 3,899
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
amb123
6 3,363

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