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Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 36,425
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
64 136,827
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
114 126,594
I needed some help with the following problem. I dont know what the question is asking me to do. Breafly account...
Feb7-04 11:48 PM
GCT
1 2,566
Is there a webpage with illustrations and well formed explanations on such as mol, g/mol, Mm etc etc? The Norwegian...
Feb8-04 12:56 PM
Thallium
5 1,783
What is the concept of root mean squared all i got were i bunch of formulas saying this equals that
Feb9-04 09:47 AM
GCT
1 1,897
Hey, I got a question here that asks for the complete combustion of ehtene, C2H4. I assume this means the...
Feb9-04 10:07 AM
walker
2 1,453
I needed some help with this problem. By using photons of specific wavelengths, chemists can dissociate gaseous HI...
Feb9-04 10:18 PM
GCT
7 4,108
Nevermind, I found my mistake.. I've been trying to figure this problem out for some time now, and I can't...
Feb10-04 12:43 AM
SyntheticVisions
0 5,809
Could potassium chlorate be used like sand to put out a fire? why i think the answer no becasue potassium acts...
Feb11-04 01:22 AM
ShawnD
1 1,902
Im a beginner in chemistry and i just did a chemistry lab with my class on titration. Na2CO3(s) +...
Feb11-04 10:56 AM
repugno
1 6,730
Can anyone tell me where to learn more about the "Thread" theory? I saw a guy on Letterman talking about the smallest...
Feb11-04 02:56 PM
Pollywog
2 3,563
Can someone tell me the origin of Avogadros number?
Feb13-04 10:52 AM
GCT
1 2,094
Hello, I was quite curious about this one here... If I were asked to draw a structural diagram, for example, of...
Feb13-04 03:00 PM
JDK
2 8,097
If 25 mL of 12 M HCl are added to 475 mL of distilled water, what is the molar concentration of the diluted...
Feb14-04 06:53 AM
himanshu121
4 2,805
Will someone please explain to me the laws of effusion my textbooks suck.
Feb14-04 07:04 AM
himanshu121
1 1,627
Hello... i am concurantly working on a chemistry project called my "favorite" element... i wanted to do helium because...
Feb15-04 02:00 AM
London Kngiths
4 1,414
The enthalpy of combustion of solid carbon to form carbon dioxide is -393.7 kj/mol carbon, and the enthalpy of...
Feb15-04 12:57 PM
Integral0
1 11,931
I was wondering if anyone could point me in the direction of some good information regarding why the solubility of...
Feb15-04 05:32 PM
GCT
2 1,499
4CO + 2CO2 -> 4CO2 this is Balanced when I simplify, the simplification doesn't work 2CO + O2 -> 2CO2 ...
Feb17-04 08:33 AM
Moonbear
3 4,672
I was in chemistry class today and I wasn't really paying much attention because its all quite simple stuff we're...
Feb17-04 05:08 PM
agnostictheist
3 2,351
Is there a definitive guide to naming nonorganic compounds. Preferable some type of flow chart diagram of some sort. I...
Feb17-04 09:23 PM
Moonbear
1 3,564
Hello all, I don't quite understand how to calculate the enthalpy of neutralisation. Example, if I add 50cm^3 of a...
Feb18-04 12:39 PM
Dr.Brain
2 13,327
What is the molarity of each resulting solution when the following mixtures are prepared? 553.6 mL H2O is added to...
Feb20-04 02:40 PM
FZ+
1 7,450
Hello, I know I should have knowledge of this, but I can't seem to remember very well what happens in combustion...
Feb20-04 05:24 PM
nautica
5 3,465
Hey, can anyone direct me to information on the role of the following metals in living systems? If you can, please...
Feb20-04 05:25 PM
nautica
3 3,524
I thought it'd be worth while to post some of the links I have discovered. These are boards which some of you may not...
Feb24-04 12:59 AM
thunderfvck
0 2,064
Can anyone tell me what the chemical formula for Chlorothyl is. I would appriciate any help, and I will give full...
Feb24-04 11:00 AM
thunderfvck
3 1,699
I'm trying to put a copper layer on a piece of steel. Here is the equipment I'm using: -12v car battery charger...
Feb24-04 06:04 PM
ShawnD
2 3,063
We had to do an experiment to detrmine the amount of vitamin c(aka ascorbic acid) in a sample using redox titration....
Feb25-04 11:31 AM
thunderfvck
1 1,188
Hello, I came across this quetion... Complete and balance the following reactions: OH ...
Feb25-04 03:51 PM
Chemicalsuperfreak
13 1,960
I have 4 of those big 6V batteries used mostly in flashlights. The batteries are almost dead and I really don't want...
Feb25-04 05:41 PM
314159
1 2,647
Can someone help me how to calculate the molarities of CH3COOH and CH3COO- in a buffer solution containing 40.00 ml of...
Feb26-04 01:27 AM
surahyot
5 4,816
What does HNO3 + NH3 create? I think it is NH4NO3 but i'm not sure.
Feb26-04 09:01 AM
Monique
1 4,072
How and why does NaCl affect the rate of reaction between amylase and starch? Please can someone help?
Feb28-04 09:32 AM
garytse86
1 5,933
I need a strong oxidizer to break down some copper but I don't have access to anything that would be restricted to a...
Feb29-04 01:52 AM
thunderfvck
8 5,650
Hi all, I need to know what Bayer's Reaction is and how to decipher it for an alkane and alkene....I've tried the...
Feb29-04 01:50 PM
eagleone
2 6,003
Hi, I need help in finding some information regarding deprotonation (specifically acids). I know that it is the...
Mar1-04 04:59 PM
GCT
1 3,821
i need the constant "K".. thanks
Mar1-04 07:15 PM
yeahman
0 3,962
Oxidation: Is there any reason for Potassium to react with excess oxygen to give a superoxide, not simple or pero-?...
Mar2-04 07:32 AM
garytse86
3 2,152
Just a quickie, why does Chlorine have a higher electron affinity than fluorine, when fluorine is the most...
Mar2-04 03:35 PM
jimmy p
2 1,969
does anyone know a website that has tutorials on drug design?
Mar2-04 08:22 PM
Mike H
9 3,128
what does a CO(subscript3)^-2 look like? (as in the drawing and the shape of the molecule?
Mar2-04 10:23 PM
decibel
6 7,268

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