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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
0 41,785
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
64 157,632
chemistry, websites Sticky Thread Pinned: Good chemistry websites ( 1 2 3 ... Last)
I think that these links can be interesting: PeriodicTable:
Aug20-14 04:40 PM
Andrew Tsvyk
116 150,369
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
1 2,729
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
5 1,880
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
1 2,007
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
2 1,511
I needed some help with this problem. By using photons of specific wavelengths, chemists can dissociate gaseous HI...
Feb9-04 10:18 PM
7 4,333
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
0 6,029
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
1 2,016
Im a beginner in chemistry and i just did a chemistry lab with my class on titration. Na2CO3(s) +...
Feb11-04 10:56 AM
1 6,826
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
2 3,621
Can someone tell me the origin of Avogadros number?
Feb13-04 10:52 AM
1 2,134
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
2 8,290
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
4 2,933
Will someone please explain to me the laws of effusion my textbooks suck.
Feb14-04 07:04 AM
1 1,710
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 1,530
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
1 12,770
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
2 1,544
4CO + 2CO2 -> 4CO2 this is Balanced when I simplify, the simplification doesn't work 2CO + O2 -> 2CO2 ...
Feb17-04 08:33 AM
3 4,821
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
3 2,567
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
1 3,768
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
2 13,432
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
1 7,555
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
5 3,627
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
3 3,641
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
0 2,142
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
3 1,776
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
2 3,149
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
1 1,231
Hello, I came across this quetion... Complete and balance the following reactions: OH ...
Feb25-04 03:51 PM
13 2,013
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
1 2,724
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
5 4,972
What does HNO3 + NH3 create? I think it is NH4NO3 but i'm not sure.
Feb26-04 09:01 AM
1 4,289
How and why does NaCl affect the rate of reaction between amylase and starch? Please can someone help?
Feb28-04 09:32 AM
1 6,122
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
8 5,919
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
2 6,162
Hi, I need help in finding some information regarding deprotonation (specifically acids). I know that it is the...
Mar1-04 04:59 PM
1 3,924
i need the constant "K".. thanks
Mar1-04 07:15 PM
0 4,065
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
3 2,253
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 2,065
does anyone know a website that has tutorials on drug design?
Mar2-04 08:22 PM
Mike H
9 3,627
what does a CO(subscript3)^-2 look like? (as in the drawing and the shape of the molecule?
Mar2-04 10:23 PM
6 7,356

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