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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: http://www.webelements.com/...
Apr18-14 03:49 PM
djh101
114 126,711
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
64 136,967
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 36,461
I've been told (by my highschool chemistry teacher, which obviously means it isn't necessarily true), that when salt...
Sep20-05 01:05 AM
scrappychic
1 4,052
Does anyone know any free programs that can draw molecular structures, or at least represent them in line notation?...
Sep19-05 11:56 PM
LuisBrudna
3 2,643
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
scrappychic
5 8,202
Does anyone know the molar absorptivity of isooctane? Is there an internet resource where I can find the molar...
Sep19-05 05:49 AM
sid_galt
0 1,790
Only three weeks into organic chemistry I, and I'm already feeling hopelessly confused. Can anyone reccommend a good...
Sep18-05 10:19 PM
GCT
1 1,406
Hi, I have been trying to raise the Concentration of H2SO4 by using electrolysis. I figure that since the overall...
Sep18-05 04:24 PM
Josef Tapper
11 3,321
For a project I am working on, I need a container that is both highly corrosion resistant and strong (able to...
Sep18-05 03:06 PM
mrjeffy321
10 6,585
An unknown compound, X is thought to have a carboxyl group with a pKa of 2.0 and another ionizable group with a pKa...
Sep18-05 02:03 PM
Nerro
5 30,719
Hi Guys! im a student of electronics engineering (1st year). I have to prepare notes for my exams about the...
Sep18-05 10:52 AM
shaiqbashir
3 12,211
Here's the problem how much of 5M KOH should be added to 1L of 0.1M glycine(pKa=9.6) at a pH of 9 until the pH reaches...
Sep17-05 11:46 PM
GCT
3 6,474
I was wondering if it's correct to name isopropyl in IUPAC as 1-methylethyl? :rolleyes:
Sep17-05 02:23 PM
bomba923
1 1,823
Hey everyone, I have a chemistry lab that I have to set up for monday, and it is very open-ended, meaning we (the...
Sep16-05 08:58 PM
GCT
1 12,744
I know that hydrochloric acid reacts with a heated mixture of iron and sulfur, but why does it not react with an...
Sep16-05 05:57 PM
Bystander
5 17,649
The water doesnt taste strange from the tap, however, i put some in this large gatorade bottle. i went to the gym, and...
Sep16-05 02:09 PM
GCT
10 2,976
Good morning campers, well PF members. Although my question is needed my homework I am also interested in the...
Sep16-05 12:33 PM
husnu
9 4,797
Hi, recently I found something out by playing around with candles. Basically I heated some candle wax until it was...
Sep16-05 10:28 AM
Francis M
8 6,791
Trying to find a Solidifier that is water Soluble Hi, I am trying to find some sort of non-toxic chemical/additive...
Sep15-05 10:53 PM
ghurty
0 1,146
I've got this following question which I don't really get: What is the charge on the nucleus of each of the...
Sep15-05 10:49 PM
Gokul43201
2 9,721
Hey. I was wondering if anyone knew of a good free program to help me name and draw out hydrocarbons. I have done...
Sep15-05 06:09 PM
nobb
0 3,252
I would like to know why alkaline permanganate (potassium permanganate in sodium or potassium hydroxide) is used for...
Sep15-05 09:26 AM
Gokul43201
8 5,416
Why the boiling point of HBr will smaller than the Cl2 ? Since the relative molecular mass of HBr is bigger than Cl2...
Sep14-05 08:53 PM
Artermis
1 5,648
Assuming each of these functional groups were found in compounds containing only 5 carbon atoms, rank them in order...
Sep13-05 10:40 AM
GCT
1 2,068
Ok so I have to figure out how many moles of acetic anhydride is used in an experiment i'm doing tomorrow and all I am...
Sep12-05 10:18 PM
gravenewworld
1 2,736
This question is probably simple, but I am just double-checking for chemistry's sake. Classify each of the...
Sep12-05 02:13 PM
Gokul43201
18 20,672
In the substitution of ROH to RX, dry HCl and anhydrous ZnCl2 catalysts are used for primary and secondary alkanol....
Sep12-05 01:54 PM
GCT
3 2,153
would a c18 hydrocarbon be polar or nonpolar--y or y not?
Sep10-05 10:09 PM
bomba923
1 12,269
If IR rays at the appropriate frequency are passed through a vaporized sample of an alkane, will the vibrations...
Sep10-05 07:54 PM
sid_galt
9 1,682
I have a question: 2 glass containers have the same amount of a particular acid. In one container, drop a fully...
Sep9-05 11:14 AM
Gokul43201
5 2,734
Hi , This is a Hw question i have am stuck on i dont know how to solve it ... A pharmacist is to prepare 16...
Sep7-05 07:28 PM
Gokul43201
3 1,010
:shy: Just a few simple questions: 1) What medicinal uses does benzhexol have ? (aka...
Sep7-05 12:22 AM
movies
3 1,396
I don't really get the concept of significant figures. Anyone can help me out? 1200 X 23.4 What is that in...
Sep6-05 06:07 PM
bomba923
7 5,351
How would you designate the hybrid orbtial formed by "mixing" one d, one s, and 2 p orbitals? How many of the...
Sep6-05 05:55 PM
Gokul43201
1 2,565
Concord Consortium, an educational non-profit, offers a free simulation program called Molecular Workbench, which can...
Sep6-05 10:06 AM
CharlesConcord
0 1,403
I posted this question in Materials and Chemical Engineering forum, but didn't get any reply. So I am posting it here:...
Sep6-05 03:31 AM
mustafa
0 1,671
I'm assuming this would be a good spot to ask this. I'm looking for a solution that is clear initially but will...
Sep5-05 08:30 PM
check
0 1,014
I am an 18 year old from Minneapolis and I plan on heading to New Olreans very shortly to help out down there. I am...
Sep4-05 03:21 PM
Pengwuino
3 1,004
Does anyone know a good website that gives info on drawing the structure of organinc molecules? Or can anyone teach me?
Sep4-05 11:51 AM
gravenewworld
4 5,535
Is my attachment properly named as tetracyclo1,6,09,17,010,14]heptadecane? (Nameprob.gif) :redface: *Need I change...
Sep4-05 03:24 AM
bomba923
0 2,045
I was given a small amount of Copper Chloride. When I brought my spatula(dirty ofcourse) the salt turned slightly...
Sep3-05 05:11 PM
Nerro
2 2,893
What is hyperconjugation? with respect to Hydrocarbons i.e. delocalisation of "pi" electrons of a multiple bond?
Sep2-05 03:58 PM
movies
4 3,526

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