Search the web
Sign In
New User? Sign Up
thechemistrycluster · The Chemistry Cluster - A place to talk of the great world of Chemistry...
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Hear how Yahoo! Groups has changed the lives of others. Take me there.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 12174 - 12205 of 13931   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
12174
Any good word processing software (even the free open-source suite at www.openoffice. org <http://www.openoffi ce.org/> ) will allow you to do superscripting...
Rafael Polo
sadat492003
Offline Send Email
Aug 1, 2007
10:13 pm
12175
I use MS Word...couldn't get Chemi to embed.. Is the character map in word useful.. john In thechemistrycluster@yahoogroups.com, "Stanley Latesky" ... at ... ...
john638625
Offline Send Email
Aug 2, 2007
2:57 pm
12176
http://www.acdlabs.com/download/ ...just d/l this...looks good.. ..might take some time to learn! ..not bad for free.... ..any users? john In...
john638625
Offline Send Email
Aug 3, 2007
2:52 pm
12177
formamide decomposes thermally into hydrogen cyanide& water,& of course HCN gas is very toxic, a mass destruction weapon I think. so is it dangerous to deal...
whitescerendipity
whitescerend...
Offline Send Email
Aug 5, 2007
3:39 pm
12178
A liquid boiling point at 65 degree centigrade at 10 mm pressure is it vapour at room temperature? sonali thanks ... Got a little couch potato? Check out fun...
Sonali K
sonalikgt
Offline Send Email
Aug 5, 2007
8:27 pm
12179
Formamide decomposes only at high temperatures. So don't heat it to those high temperatures. Also, formamide itself is poisonous. Be carefuyl of ingestion or...
Steve
steve_geo1
Offline Send Email
Aug 5, 2007
9:04 pm
12180
Brief information about the stuff from Wikipedia is, at http://en.wikipedia.org/wiki/Formamide : Formamide Other names Carbamaldehyde Chemical formula...
JohnWW@...
johnwwxtraconz
Offline Send Email
Aug 5, 2007
10:30 pm
12181
Of course vapor temp. will be 65 degree, because that's the temp. at which it transitioned into gaseous state. The only way vapor temp. will increase is if...
Kevin Lee
kevlee112
Offline Send Email
Aug 6, 2007
12:00 am
12182
I would answer no. Room temperature is 20 to 30 degrees C. This is a lot cooler than 65 degrees C. So the vapor pressure will be much less than 10 mm Hg,...
Brian Edward Jensen
brianedwardj...
Offline Send Email
Aug 6, 2007
4:38 am
12183
thanks brian Brian Edward Jensen <brianejensen@...> wrote: I would answer no. Room temperature is 20 to 30 degrees C. This is a lot cooler...
Sonali K
sonalikgt
Offline Send Email
Aug 6, 2007
5:33 pm
12184
... by a ... is ... You can calculate the change in vapor pressure with temperature using the Clausius-Clapeyron Equation. The only thing you need is the ...
octanediol
Offline
Aug 7, 2007
9:29 pm
12185
hi & plz help me cuz i'm in high school in egypt & i learn the strange thing plz i wanna 2 tell me any thing about DALTON & ARISTOTAL & RUTHERFORD & tnx my...
Amir
thevampire91
Offline Send Email
Aug 8, 2007
2:08 pm
12186
... Dalton developed his atomic theory about 1805. His theory was a major breakthrough at that time. He resurrected the concept of the atom (from the Greeks)...
octanediol
Offline
Aug 8, 2007
4:33 pm
12187
hi, i really have a hard time solving these 2 problems.. please help me with these few questions. it really makes my brain twist.. 1.) a child is flying a kite...
vhynne
vr_ambas
Offline Send Email
Aug 9, 2007
9:56 am
12188
Plz solve the quest plz 1- the soblevels which r found in the scenond energy level r ??? wat 2-the no. of orbitalis in the foourth energy level is?? wat?? plz...
Amir
thevampire91
Offline Send Email
Aug 9, 2007
1:20 pm
12189
Hi Everybody............. Please send me pyrrole's structure, synthesis, preparation, chemical properties, resonance, reactions........ Please Help Me............
joyanta2007
Offline Send Email
Aug 9, 2007
2:10 pm
12190
It is rather hard to understand what you mean, but I think you refer to atomic orbitals which contain pairs of electrons. If by "second level" you mean the...
JohnWW@...
johnwwxtraconz
Offline Send Email
Aug 9, 2007
3:57 pm
12191
You could have helped yourself by searching for it on Google. I cannot draw it here; but it is a 5-membered ring structure, with one ring atom being N and the...
JohnWW@...
johnwwxtraconz
Offline Send Email
Aug 9, 2007
4:00 pm
12193
Problem 1 Adults can fly kites also. X^2 + 40^2 = R^2 X^2 + 40^2 = 50^2 X=30 dX/Dt=3 feet/sec d(X^2)/dt=2X*dX/dT=2*30*3=180 d(R^2)/dt=180=2R*dR/dt=2*50*(dR/dt)...
Brian E. Jensen
brianedwardj...
Offline Send Email
Aug 9, 2007
9:21 pm
12194
any organic chemistry book is having all the required material , BS bHAl in organic chemistry , pyrrol is hetrocyclie compound joyanta2007...
syed ali
syed_hasanal...
Offline Send Email
Aug 10, 2007
11:14 am
12195
Can anyone help me by telling me a procedure for cleaving disulphide to thiol. I was trying to get thiol but it got oxidized to disulphide:( thnaks sonali ... ...
Sonali K
sonalikgt
Offline Send Email
Aug 13, 2007
11:34 pm
12196
By hydrogenation, in some form or another, or, more generally, reduction. It could be done by use of H2 gas in the presence of an adsorbing metal catalyst like...
JohnWW@...
johnwwxtraconz
Offline Send Email
Aug 13, 2007
11:46 pm
12197
Some say that we can use/or reuse pet bottles with number 7 at the bottom of it,is it true? Can you pls explain to me how PCB migrates in pet bottles. If...
jlbondoc
Offline Send Email
Aug 14, 2007
4:59 am
12198
Can you please explain to me the difference between ortho-phosphate and phosphate residual? We conduct ortho-phosphate analysis in the laboratory using UV-VIS...
jlbondoc
Offline Send Email
Aug 14, 2007
5:02 am
12199
Ortho-phosphates, as the salts or esters of the PO4--- anion, do not absorb in the visible, or even the near ultraviolet! I think you must be referring to the...
JohnWW@...
johnwwxtraconz
Offline Send Email
Aug 14, 2007
10:03 am
12200
hi everyone, does anyone know what are the advantages in using a solid electrolyte for electrochemical measurements compared to using a liquid electrolyte...
Eric
eric_zirconium
Offline Send Email
Aug 14, 2007
10:52 am
12201
... not absorb in the visible, or even the near ultraviolet! I think you must be referring to the colorimetric analysis method for orthophosphates which...
silver_howck
Offline Send Email
Aug 14, 2007
6:16 pm
12202
Hello everybody. I was hoping one of you could help me. I'm attempting to extract essential oils from plants in my area specifically Smilax Mexicana. My...
a00914799
Offline Send Email
Aug 14, 2007
11:39 pm
12203
...a reflux system may work under reduced pressure... j In thechemistrycluster@yahoogroups.com, "a00914799" <arturogarzag@...> ... attempting ... about...
john638625
Offline Send Email
Aug 15, 2007
6:46 pm
12205
hey guys... i'm just wondering what are the common ways on how to screen anti-oxidants? thank you!!! :)...
March Henna Ang
marchhenna
Offline Send Email
Aug 16, 2007
11:58 am
Messages 12174 - 12205 of 13931   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help