Search the web
Sign In
New User? Sign Up
organicchemistry · Organic Chemistry - Organic Chemistry D
? 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 1008 - 1037 of 3941   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
1008
NEW from Bioslide Technologies! CM-60 - 6,200 RPM Microcentrifuge DEALER PRICE NOW ONLY $ 199.00 each * Hidden Auto-balance Design * Auto Power Shut-Off when...
Bioslide Technologies
bioslide
Offline Send Email
Apr 3, 2003
4:44 pm
1009
nothing here...
owennus
Offline Send Email
Apr 4, 2003
9:04 am
1010
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the organicchemistry group. File : / Live...
organicchemistry@yaho...
Send Email
Apr 6, 2003
8:03 am
1011
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the organicchemistry group. File : / Free...
organicchemistry@yaho...
Send Email
Apr 6, 2003
8:03 am
1012
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the organicchemistry group. File : / Net...
organicchemistry@yaho...
Send Email
Apr 6, 2003
8:03 am
1013
Hola, estuve revisando la carpeta de archivos y me pareció que debe haber una supervisión más cercana de ellos por el Administrador, ya que no vienen a los...
ludwig_julca_83
Offline
Apr 8, 2003
3:14 am
1014
... come on man don't be ill write in english any way .... i'm student in syria ..i wonder if i can resume my study in germany ... backstreetboys84@......
sonytrintron2000
sonytrintron...
Offline Send Email
Apr 8, 2003
10:14 am
1015
hi, i got your message, hoe are you doing, although for a very long time i have not had interest in organic group, but i was so surprise to see that i have ...
chigozie udeh
monsmithpc
Offline Send Email
Apr 9, 2003
3:04 pm
1016
Dear Friends, i read mixtures are substance in which the components of a mixture can be seperated by physical means.If solution of NaCl and water is a mixture...
urooj yasir
urooj_78
Offline Send Email
Apr 9, 2003
5:05 pm
1017
Hello, I was reviewing the folder of archives and it seemed that it must have one more a nearer supervision of them by the Administrator, since they do not...
ludwig_julca_83
Offline
Apr 9, 2003
10:03 pm
1018
urooj yasir <urooj_78@...> wrote: Dear Friends, i read mixtures are substance in which the components of a mixture can be seperated by physical means.If...
esther charles
charles_esther
Offline Send Email
Apr 10, 2003
1:20 pm
1019
... can be seperated by physical means.If solution of NaCl and water is a mixture then conversion of NaCl into its ions is a chemical reaction? No;it's a...
octanediol
Offline
Apr 12, 2003
2:43 pm
1020
is thermal decomposition a physical change,if not then how does it differ from the "physical " or "appearence" change due to heating....
urooj yasir
urooj_78
Offline Send Email
Apr 14, 2003
1:14 pm
1021
Hi.. Could you guys tell me the preparation of dry ether,briefly. Thanks for your attention.....
mrburter
Offline Send Email
Apr 16, 2003
1:19 pm
1022
"Could you guys tell me the preparation of dry ether..." Distill it over sodium. Be sure to use a heating mantle, not an open flame, because of the fire...
Clyde Wary
kc5blf
Offline Send Email
Apr 16, 2003
10:20 pm
1023
Hello friends: I would like inviting you to visit my web pages relative to the molecular structuring and mnr-spectrum if you have some free time to do it. ...
Fernando Mancebo Rodr...
ferman30
Offline Send Email
Apr 21, 2003
5:34 pm
1024
Hello. My name is Juanjo Serrano and I studied Chemistry in Universidad de Valencia (Spain). I created two groups about Chemistry (one in YAHOO! and the other...
Juan José Serrano ...
jjserpeq
Offline Send Email
Apr 24, 2003
12:45 pm
1025
Hello All, Have a question that I can't find a definative answer to. The carbon-carbon and carbon-hydrogen bond legnths of ethane (sp3) is longer than that of...
Mike
kanys32
Offline Send Email
Apr 25, 2003
5:52 pm
1026
Hello All, Have a question that I can't find a definative answer to. The carbon-carbon and carbon-hydrogen bond legnths of ethane (sp3) is longer than that of...
Mike
kanys32
Offline Send Email
Apr 25, 2003
6:03 pm
1027
hello Mike i think in ethan, when the hybridation is sp3, the carbon-carbon bond is longer because the bond is single. carbon hydrogen bond is longer because...
ali_sec
Offline
Apr 26, 2003
5:48 am
1028
... ethyne ... START OF MESSAGE You are correct. An sp3 hybrid orbital is 25% s and 75% p. An sp2 is 33% s and 67% p. The sp2 hybrid orbital is closer to...
octanediol
Offline
Apr 26, 2003
10:45 am
1029
Hello Mike: I invite you to visit in my website the pages dedicated to the Nmr- spectrum, where the chemical bonds that you refer are drawn (ethane, ethene,...
Fernando Mancebo Rodr...
ferman30
Offline Send Email
Apr 27, 2003
11:22 am
1030
Dear Friends I am helping my 8 year old with a chem problem and I am stuck. Can anyone please tell me the formula when sodium bicarbonate and vinegar ...
Dr. Melvin Ruiz Miranda
podium_nlp
Offline Send Email
Apr 28, 2003
1:06 am
1031
"...the formula when sodium bicarbonate and vinegar interact?" Vinegar is ~5% acetic acid (CH3COOH) NaHCO3 + CH3COOH -> NaOOCCH3 + CO2 + H2O The compound...
Clyde Wary
kc5blf
Offline Send Email
Apr 28, 2003
2:25 am
1032
The answer is: Na2CO3 + 2CH3COOH -------> 2 CH3COONa + H2O + CO2 (gas) The products are sodium acetate, water and carbon dioxide (gas). ... vinegar...
asdixit_28803
Online Now
Apr 28, 2003
2:11 pm
1033
The answer is: Na2CO3 + 2CH3COOH..." Nope, he said "bicarbonate," not "carbonate."...
Clyde Wary
kc5blf
Offline Send Email
Apr 28, 2003
10:16 pm
1034
Hey guys: Thanks for the answers. You saved the day!!! , Sincerely, Melvin...
Dr. Melvin Ruiz Miranda
podium_nlp
Offline Send Email
Apr 29, 2003
1:24 am
1035
"Dr. Melvin Ruiz Miranda" <podium_nlp@...> wrote: Dear Friends I am helping my 8 year old with a chem problem and I am stuck. Can anyone please tell me...
Mohammad Reza Ayoubi
mrayoubi
Offline Send Email
Apr 29, 2003
10:06 am
1036
Clyde wud u like to tell me what is NaOOCCH3...i cant make anything out of it...it ceratainly isint Na2CO3 or CH3COONa.... Thx Clyde Wary <kc5blf@...>...
urooj yasir
urooj_78
Offline Send Email
Apr 29, 2003
2:52 pm
1037
I made a mistake in reading your question: Still the products are the same: CH3COOH ( Vinegar) + NaHCO3 (Sodium Bicarbonate) -----> CH3COONa (Sodium Acetate) +...
asdixit_28803
Online Now
Apr 29, 2003
4:07 pm
Messages 1008 - 1037 of 3941   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