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Chemistry

- The study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical...
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Jan16-12 Greg Bernhardt
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
64 157,797
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/...
Aug20-14 04:40 PM
Andrew Tsvyk
116 150,550
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,842
Hi I need some help understanding reaction kinetics, and I’m trying to get an overview, so I’d really appreciate some...
Jul10-14 11:50 AM
christian0710
5 2,134
If I wanted to make 30,000 gals of a 25% solution of NaOH would the calculation of dry product needed be: 8.35...
Feb2-12 07:06 AM
MrSid
7 2,545
Hi, We are using Varian Unity Inova 500 MHz NMR instrument.When we are taking 31P and 19F spectra we do not use any...
Jan8-07 11:24 AM
hyildirim
2 4,955
hi there, i've got three chemical reactions i'm struggling to put into 3d. 1) CoCl2.6H2O + en.2HCL -->...
Sep1-12 12:54 AM
chemisttree
1 1,259
We have hit stereochemistry , and I realize I will be screwed unless I can get my drawings down-pat. Okay, so, let's...
Oct22-11 05:15 PM
Marconis
4 1,557
Why Group 15 elements(except Nitrogen) have empty d orbitals while bonding? Aufbau Principle states that electrons...
Oct12-12 02:10 AM
DrDu
16 3,022
Does anyone know what compounds make up the resin used by resin type 3D printers? I need to know if it could...
Jun7-12 10:49 PM
chemisttree
1 1,720
Polylactic acid (PLA) is a very popular raw material used for plastic extrusion 3d printers. Myself and many others in...
Nov6-13 11:14 PM
rcq090
0 843
How to determine the bond angle based on the formula of molecules?
Jul9-14 05:22 AM
Borek
3 2,830
Hello, I wonder if this chemical can be synthesized. I have devised a retrosynthetic analysis route, but not sure if...
Dec4-04 01:25 PM
chem_tr
2 1,573
how can I make a 50% citric acid solution?
Jun24-10 09:13 PM
~christina~
4 9,244
Would this mixdure be equivalent in performance and fuel economy as 95 octane gasoline? Any possible damages to the...
Apr2-13 11:38 AM
Low-Q
3 900
I am fairly new to chemistry, so this might seem like a stupid question, but I am still interested nonetheless. A...
Oct6-03 02:24 PM
Monique
1 2,117
Lets say for example a hydrocarbon skeleton has two diff functional groups branched to the skeleton.. Lets say one of...
Jan15-05 02:05 AM
maverick280857
4 4,576
I don't know how to answer this question. I have to find the number of moles of water in the hydrate BaCL2*H2O. SOwwie...
Jan30-07 06:15 PM
chris2009
3 1,827
I have an idea of creating a rocket using mentos and diet coke, but the failure rate is really high. I also tried...
Jun16-10 10:15 AM
wil3
4 1,607
I would be glad if someone compiled a list or atleast provide the link for the actions of various oxidizing and...
Oct24-08 11:33 AM
chemisttree
1 2,964
This is the question am working on... A compound containing Ti and Chlorine is analyzed by converting all the Ti into...
May31-05 10:06 AM
Lindy12
4 1,697
Alkanes are saturated hydrocarbons which are very unreactive. However, they undergo combustion, i.e. they react with...
Dec15-09 03:26 PM
chemisttree
4 1,328
OK - I understand that all salts are ionic compounds, but not all ionic compounds are salts. I also understand...
Jun9-13 07:21 AM
Borek
1 881
Had a lab few days ago and a question was presented: Some people claim that women possess better color vision than...
Oct25-04 11:21 AM
chem_tr
3 2,335
Tryptamine has a lot of uses but its so unreasonably expensive. I was just wondering if anyone knew of a plant that...
Apr27-13 01:41 AM
biovent
0 803
I believe that many chemistry undergrads have misconceptions about basic concepts such as the octet rule. I wanted to...
Aug9-12 09:48 PM
Einstein Mcfly
7 1,289
Im attempting to make a distillation procedure with tap water so that i can drink it pure. I got a small can of pvc...
Oct1-05 03:18 PM
oldunion
2 4,050
I am currently learning about stereochemistry in my O-chem class. I just have a few questions that I were running...
Sep14-11 09:24 PM
royblaze
3 2,460
Can some one help me with these two questions? I am unclear how to do them! Thanks :smile: 1. A 27.2g peanut is...
Jun28-04 06:01 PM
Gokul43201
1 1,450
In anodization of aluminium,the aluminium object to be oxidized is the anode,the electrolyte is dilute sulfuric acid...
Jan30-14 04:03 PM
Borek
5 553
I didn't really learn chemistry in HS but I need to know the basics for a thermodynamics course. I have the option...
Oct22-11 08:56 PM
Eleeesa
5 20,243
Hi, I'm looking for a good chemistry lab manual/book that discribes how the general lab equipment works (with pictures...
May24-14 12:18 PM
christian0710
3 645
Hey, before I get started, I know this is a forum for serious chemists and not punk *** kids who want to screw around,...
Apr10-05 05:29 AM
Monique
4 2,475
Hello all, As I am preparing for my PhD proficiency exam, I tried to solve some Analytical chemistry problems. and...
Mar30-05 04:24 PM
Borek
8 3,625
what difference,if any are expected between the chemical reactions of Cl 35 and Cl 37? I'm not sure how to attempt...
Oct18-11 03:59 PM
geej77
4 1,519
Hi all, I have the following equilibrium reaction \mathrm{2NO_{2} \leftrightharpoons N_{2} O_{4}} which has a...
Oct20-04 06:23 PM
Mathman23
0 5,407
Hello. I recently read Theodore Gray`s book "The Elements" and was extremely fascinated by the small world of atoms. I...
Apr13-11 12:12 AM
Nemus
5 1,205
To amaze and entertain my 8 year old I did the candle under the drinking glass experiment. I took a bowl of water,...
Jun16-10 02:02 PM
Phrak
3 1,184
how do you work out the amount of mole Chlorine ions in 13.4g of nickel chloride(NiCl2). i don't know how to use the...
Apr15-05 12:32 AM
atomicblast
3 1,238
Well i am having problem prepearing this alcohol from bromobenzene and 1-butene please help.This question is...
Jul31-04 09:22 PM
ambuj123
26 4,687
Hi all: I have been puzzled by a very simple experiment I did lately. I found there exists a temperature gradient...
Sep23-10 06:15 AM
Mapes
2 2,272
I have been working on carrying out a reaction in which i get zinc to oxidize creating fire and smoke. Does anyone...
Jan16-08 10:00 PM
Soley101
4 1,833
http://www3.0zz0.com/2013/08/17/11/771403792.png How could I know the hybridization type in such a question
Aug24-13 02:05 PM
epsaliba
12 1,811

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