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Messages 679 - 708 of 3942   Oldest  |  < Older  |  Newer >  |  Newest
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679
I am looking for an overall reaction of the 'degredation' of a bisulfite solution. I am finding some confusing literature that refers to the reducing power of ...
bbrookuk
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Mar 1, 2002
7:09 pm
680
2-octonol...
munirajan2002
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Mar 4, 2002
5:19 am
681
... Since bisulfite is a REDUCING agent, not an OXIDIZING one, I assume you forgot to mention that you were using potassium permanganate for the oxidation and...
sancho100
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Mar 11, 2002
5:04 am
682
... Since bisulfite is a REDUCING agent, not an OXIDIZING one, I assume you forgot to mention that you were using potassium permanganate for the oxidation and...
sancho100
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Mar 11, 2002
5:08 am
683
... Since bisulfite is a REDUCING agent, not an OXIDIZING one, I assume you forgot to mention that you were using potassium permanganate for the oxidation and...
sancho100
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Mar 11, 2002
5:09 am
684
Sorry for posting 3 times. Yahoo kept telling me there had been an error in posting....
sancho100
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Mar 11, 2002
5:12 am
685
... an ... Due to the problems with Yahoo I have founded a club on Delphi: http://forums.delphiforums.com/octanediol/start...
octanediol
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Mar 11, 2002
12:34 pm
686
... an ... visit http://forums.delphiforums.com/octanediol/start for a new club....
octanediol
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Mar 11, 2002
12:36 pm
687
Do all chlorides and all sulfates absorb water vapors?...
bemrkool
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Mar 11, 2002
10:27 pm
688
... Hello,some salts of Cl can absorbe water for example KCl,NaCl and some acids which cosist of SO4 can absorbe too for example H2SO4 but im not sure all...
organic_maffia
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Mar 12, 2002
5:28 pm
689
I am unable to locate any reasonable explanation to the "salt-out effect". Such as adding NaCl to Isopropyl alchohol (IPA). A water layer forms above the...
bbrookuk
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Mar 13, 2002
8:47 pm
690
... two ... more ... In my opinion ion-dipole bonds (i.e. salt and water) are stronger than dipole-dipole bonds (alcohol and water) Dr. J...
octanediol
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Mar 15, 2002
3:36 pm
691
... Are your "other examples" examples of emulsifying agents or examples of emulsions? Because I don't think ethanol and acetone qualify as either. Ethanol &...
greggrobinson
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Mar 20, 2002
3:23 am
692
... By this line of reasoning, isopropanol would be more polar than 1- propanol, which isn't the case. A good way to tell which is more polar between 1- &...
greggrobinson
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Mar 20, 2002
3:36 am
693
... but ... If you're talking about absorbing water by forming hydrates, like MgSO4 and CaSO4 do, then the answer is: I don't think so. The two I've listed are...
greggrobinson
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Mar 20, 2002
3:56 am
694
... have ... Please explain why neopentane boils at 9.4 degrees Celsius while the isomeric pentane boils at 36.1 degrees Celsius. Dr. J...
octanediol
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Mar 20, 2002
3:52 pm
695
Hi,which chemicals have a reaction to metal? --- In ... solvents ... form ... stoichiometric...
bemrkool
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Mar 20, 2002
7:32 pm
696
... I think we cant explain the polarity by boiling points.Maybe some examples can be explained by this thinking of way but its not a rule and according to...
organic_maffia
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Mar 21, 2002
3:20 pm
697
... 1- ... will ... rule ... In my opinion the dipole moment indicates whether a compound is polar or not. If a compound has a zero dipole moment (e.g. H2,...
octanediol
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Mar 21, 2002
8:41 pm
698
... would ... the ... I assume by "isomeric pentane" you mean n-pentane? Neither molecule has appreciable polarity, no group capable of H- bonding, so this...
greggrobinson
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Mar 24, 2002
4:38 pm
699
... 1- ... will ... rule I totally agree. However, in an analogous or homologous series, boiling point appears to be a fairly good indicator of "polarity". ...
greggrobinson
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Mar 26, 2002
2:22 am
700
Hi everyone. I am new to the group and am looking for some help. I need to synthesize sulfaethadole. I can make sulfanilamide, but the five-membered ring...
chris8938
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Mar 26, 2002
3:21 pm
701
dear members we have a group about emulsion polymer . i have created this group because water based polymers is better than solvent born and without damage to...
forclub_2000
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Mar 31, 2002
7:32 am
702
i need to know how much water can be absorbed by any type of chemicals...
bemrkool
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Apr 1, 2002
9:09 pm
703
... Hello,which chemical do you want to learn?because all chemicals can absorbe water in different value so you have to write chemical which you want to take...
organic_maffia
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Apr 2, 2002
3:39 pm
704
In what percentage can these chemicals-chlorides and sulfates absorb water --- In organicchemistry@y..., organic_maffia ... which...
bemrkool
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Apr 2, 2002
10:46 pm
705
In what percentage can these chemicals-chlorides and sulfates absorb water --- In organicchemistry@y..., organic_maffia ... which...
bemrkool
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Apr 2, 2002
10:46 pm
706
I've got some questions about the old technique of steam distillation. (1) Is steam distillation an example of a highly diluted azeotropic distillation? Or is...
greggrobinson
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Apr 3, 2002
5:42 pm
707
... distillation. ... used ... In my opinion you are essentially correct. One uses a large amount of water to distill the compound in question. I think it...
octanediol
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Apr 6, 2002
12:53 pm
708
... azeotropic ... on ... Dr. J, I'll tell you why I ask: whenever I strip off solvent on the rotary evaporator, I wonder if I'm possibly losing compound in...
greggrobinson
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Apr 6, 2002
9:06 pm
Messages 679 - 708 of 3942   Oldest  |  < Older  |  Newer >  |  Newest
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