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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
64 150,567
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/...
May7-14 10:06 PM
Awheezi
115 141,817
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 40,017
Hi all, I need a little help here please? Please can somebody answer my question with regards to bio ceramics? I am...
Aug8-04 10:41 AM
yinyang
1 1,247
I am trying to replace the I on m-iodobenzylguanidine with SH. Any ideas? Jesse
Mar21-08 09:36 AM
jjaynes
4 1,247
If direct current is applied to activated carbon, will it be drawn to the cathode?
Jul1-09 12:33 PM
chemisttree
1 1,247
I want to prepare an acrylic acid copolymer copper oxide composite. First i loaded the copolymer with copper ion then...
Mar29-10 12:02 PM
dayal.ganga
0 1,247
Hi So recently I've been studying the vsper model and electron repulsion. Is it just coincidence that the...
Sep8-11 07:47 PM
l-1j-cho
0 1,247
please tell me why they carbonate drinks?
Jun19-04 04:17 PM
loseyourname
4 1,246
Is a hydrogen on an ethanol more or less positive than on a water molecule. I think the hydrogen is more positive on...
Sep8-11 10:49 AM
DrDu
1 1,246
Any ideas? Thanks so much!!
Apr12-12 06:10 AM
MrSid
3 1,246
I'm new to this forum, I am studying in grade 9 and I am working on my electrolysis project but I had trouble...
Aug9-12 02:10 PM
Drakkith
6 1,246
Hi guys, first of all I want to say that this forum saved me several and several times and I love it. I have a...
Jun15-11 09:08 AM
kagliostro
2 1,245
Hey, I'm having trouble understanding the trends of the oxidation states for the first row of the transition metals ...
Nov12-12 02:56 AM
Borek
1 1,245
is Diethyltoluamide present in plant material?
Jul14-07 07:03 PM
Cesium
1 1,244
I knew while learning about electrolysis that if the ionic compound is molten it becomes free moving ions. If that is...
Nov7-12 05:43 AM
epenguin
3 1,244
50.00 mL of 0.1000 M citric acid (Ka = 7.41 x 10^-4). titrated 50.00 mL NaOH added. Calculate pH. I have...
Nov27-04 12:30 PM
nautica
6 1,243
I was searching some info in this forum and I found something here:...
Mar25-13 06:30 AM
Borek
1 1,243
In a closed system a hydrocarbon is burnt. The products which are produced have a temperature of X degree celcius....
Nov29-04 09:55 AM
Monique
1 1,242
A friend asked me for an interesting way to destroy a boxful of flashcards for a video scholarship. Being almost the...
Jul16-10 03:41 PM
ChemHopeful
2 1,242
I'm having trouble to understand which type of solvents are used in specific reactions When do you use polar...
Apr26-12 02:16 AM
chemisttree
5 1,242
I am having a hard fime finding these two articles that I NEED to read. They are just too old that my campus library...
Jun30-04 07:01 PM
shrumeo
1 1,241
every reaction requires its reactants to have enough actvation energy in order to start the chemical...
Dec22-12 03:11 AM
Borek
1 1,241
is there any transition of He+ that could be excited by collision with an excited hydrogen atom in 2s^1?
Feb10-05 10:21 PM
dextercioby
1 1,240
Hey. im doing an Engineering/ Science fair this next semester and am still brainstorming for ideas. im kindof...
Jul10-05 10:12 PM
Gaijin
0 1,240
Why is the probability of finding an electron of s orbital in the nucleus highest? Is Quantum Tunneling involved? If...
Sep4-13 08:39 PM
Enigman
5 1,240
*Must a hydrogen be 'directly' bonded to an N,O, or F in the very structure of the molecule for it to engage in...
Sep2-05 10:25 AM
GCT
3 1,239
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 1,239
When Sodium hyroxide is used to remove aluminum from a steel sputtering mask the reaction is energetic at first but...
Apr30-09 12:19 PM
lightarrow
3 1,239
Hi, I would appreciate help to understand in the following question, how shall I take in account of 0.500M of HBr...
Mar3-10 08:24 PM
mrm0607
0 1,239
hello, i am studying chemistry. There are a lot of things i do not understand though. This is not homework, just...
Apr28-11 05:24 PM
Rajini
1 1,239
Hey guys, Im having trouble understanding/explaining some of the trends in ionization energy with calculated Zeff by...
Nov14-12 04:06 PM
orgohell
0 1,239
Is there any free software for drawing nice neat chemical stick models? I'm just looking for simple software to make...
Nov14-12 02:40 AM
John37309
4 1,239
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
nautica
1 1,238
What volume of 50% NaOH (by weight) solution is necessary to prepare 1 litre of 0.1M NaOH? Assume that the density of...
Jan12-05 12:18 AM
Gokul43201
1 1,238
I've been doing more research into catalysts and fell on a nickel-aluminum alloy, mostly nickel. Does anyone know...
Dec16-05 03:53 PM
The P-manator
8 1,238
I thought D and L referred to the direction of the OH on the LAST chirality center. So why are all the other OH also...
Apr24-12 07:55 AM
sodium.dioxid
4 1,238
I believe that the current chemistry curriculum has had a major increase in biological content in the past 10 years,...
Dec29-12 02:46 AM
chill_factor
3 1,238
Hello. I am a thermodynamics novice trying to gain a better understanding of state functions, particularly enthalpy. ...
Mar12-13 11:34 AM
DrDu
3 1,238
Propane, C3H8(g), is used in many instances to produce heat by burning: C3H8(g) + 5O2(g) --> 3CO2(g) + 4H2O(g) ...
Oct21-04 12:57 PM
wolfson_1123
2 1,237
Ok so I need help with a little project that I have been trying to figure out for a while now. I am attempting to...
May22-09 02:41 AM
Borek
1 1,237
If a slow elementary reaction between two colliding species takes 2 s, and a fast step afterwards takes 1 s the total...
Mar4-10 12:22 AM
Char. Limit
1 1,237
Will a Supercritical fluid increase or decrease the efficiency of a Hofmann voltameter?
Aug14-10 09:16 AM
cragar
1 1,236

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