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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
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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
64 158,771
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
116 151,463
What types of simple geometric shapes are represented by molecules? I think of linear polymers, DNA, buckyballs,...
Dec10-03 02:04 AM
5 4,327
when an ice berg freezes in salt water, the ice is actually pure water because the freezing water kind of pushes the...
Dec11-03 02:58 PM
6 5,348
Hello! My first time on here but having massive troubles with my AP Chemistry homework and need help. I have a...
Dec12-03 09:36 PM
5 2,163
Does anyone know some of the numerous properties associated with Buckyballs? They are extremly facinating to me, so if...
Dec13-03 04:36 PM
0 2,010
here is a buffer problem in my HW that I'm not sure how to do. Plz help me. Plz show me how. Thanks a lot....
Dec13-03 09:29 PM
1 2,327
Well i read that Salt Peter is a strong oxydizer (sorry about my english) so i thought that if I mix it with gasoline...
Dec13-03 09:30 PM
2 2,416
27O2 + 4C4H9NH2 -> 16CO2 + 22H20 + 2N2 What classification would you give this reaction? ...
Dec14-03 05:52 PM
1 3,378
How do you go about calculating the ionization energies from atoms? Electron affinities? (KJ/mol) for example, ...
Dec14-03 05:57 PM
1 5,803 "for discoveries concerning channels in cell membranes" ...
Dec15-03 07:27 PM
4 2,859
NO_3 What is the molecular formula of this compound if molar mass is 324.06. Math begins: aN + bO = 324.06...
Dec16-03 12:03 AM
12 1,768
I need to return an asignment today and i just cant figure it out (should be a piece of cake for the people that hangs...
Dec16-03 12:20 PM
2 1,362
Can a chemistry expert explain the following to me please: What is meant by the term "pi" bond cloud? Why...
Dec17-03 12:36 PM
1 1,578
Hi I wonder if you could help me with the following multiple choice questions: Which of the following does not...
Dec17-03 12:58 PM
1 9,125
hi I am performing a practicle project on extraction of caffeine from tea leaves, for my school exams, but the...
Dec19-03 09:40 AM
0 3,964
Yes. Hello. I am new. THis is a nice forum. Very nice website. Wish I would have found it sooner. Okay, my...
Dec19-03 10:44 AM
2 4,624
What is the name of what looks like a benzene ring but one of the carbons is replaced with a nitrogen?
Dec20-03 08:35 AM
1 1,760
It goes like this, very simple: How and where can cesium and thallium be used?
Dec20-03 02:54 PM
5 2,234
Hi people. I am asking this for a friend, and he's not here right now, so I'm doing my best to remember exactly what...
Dec21-03 11:42 AM
8 6,791
People can drink ethanol and not have a problem, but other alcohols like methanol and propanol are very poisonous; why...
Dec22-03 08:14 PM
9 17,690
Hello. I remember a problem I had with drawing a splitting tree for nitrotoluene. The coupling constants varied, you...
Dec23-03 04:14 AM
2 11,984
Do scientists know how many electrons an element has? Can someone explain why I was taught about shells of electrons...
Dec29-03 07:58 AM
4 1,508
okay im gonna give you like 4 problems out of like 22 i need to do for homework before the breaks is over can someone...
Dec31-03 06:25 AM
3 2,720
I don't get this: "Its empirical formula is C 10 H 17 N 3 S 2 HCl H 2 O" What is with those dots? And the...
Dec31-03 07:10 PM
1 4,202
Can anybody tell me why it is better to use a burette rather than a measuring cylinder.
Dec31-03 09:45 PM
4 5,676
I'm working on an question that asks us to label a bath bomb which we made, (including ester and packaging) as...
Jan1-04 11:42 PM
1 1,429
Is it possible for this to happen? As far as I know the only way to change elements into other elements is through...
Jan3-04 12:24 PM
1 4,785
I was just wondering a bit on deep frying. You see, I work at a restaurant and the damned deep frying is always making...
Jan3-04 02:36 PM
2 1,545
I read that one way to check how much a specific enantiomer rotates polarized light is to use an LCD display. Kind of...
Jan3-04 02:38 PM
1 1,353
Nernst equation: \DeltaG = -2.3 RT log10 \frac{C_o}{C_i} + zFV R = 1.98x10-3 kcal/K mole T = absolute...
Jan4-04 02:04 PM
23 10,705
The rainforest produces a good amount of o2 (exactly how much I'm not sure), could deforistation of the rainforest...
Jan5-04 02:44 AM
35 4,775
Hi. My class had done an experiment synthesizing isoamyl acetate, but MY class didn't actually get to do it. haa. You...
Jan5-04 03:30 AM
5 3,498
does anybody know of any good websites that explain group theory and symmetry operators in application to chemistry?
Jan5-04 03:40 PM
1 7,965
Nickel-Cadmium (nicad) batteries have the strange tendency to stop working unless they are completely drained then...
Jan5-04 11:21 PM
1 1,429
WHat reactions consume so much water in the digestion of ethanol?
Jan6-04 05:53 AM
10 2,301
Firstly, hello everyone, I'm brand new to this forum :smile: Anyway, I live in the UK, and in 3 days time I shall...
Jan6-04 01:06 PM
2 14,335
Hi. I was reading about antioxidants earlier and they speak about the free radicals oxidizing everything, and so the...
Jan6-04 04:50 PM
4 1,925
Hi, Denis is my name. Study chemistry in Germany. Have to know the mechanism of the reoxidation to TPAP by NMO after...
Jan7-04 12:52 PM
2 6,543
Can anyone explain to me really quick how to go about Synthesis and Decomposition of compounds, can you show me an...
Jan7-04 02:51 PM
1 1,266
Using the ammonia molecule as an example, distinguish between shared pairs and unshared pairs of electrons. ...
Jan7-04 02:53 PM
2 1,499
Hi, I was wondering if anyone knows the chemical properties, melting/boiling points or family group of cornstarch or...
Jan8-04 12:34 PM
1 2,709

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