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Ether cleavage
If 1mol ether (say, diphenylmethyl dimethylaminoethyl ether) is cleaved with 1mol HBr or HI, would t ...
15-12-2005 at 21:23
by: stygian
Would this have any effect? Thionyl related
Would SBr2 (should be easier than SCl2) have any effect upon Na2S2O7? Pyrosulfates are known to rele ...
15-12-2005 at 21:01
by: stygian
Flash Powder
Anybody notice that according to brauer, potassium aurate is said to decompose to something like Au, ...
9-12-2005 at 19:03
by: stygian
Solvent for benzoic acid chlorination
Im after a COCl. I was going to say it worked by 2P + 3Cl2 = 2PCl5 which would be regenerated with ...
9-12-2005 at 08:42
by: stygian
Got my first lab setup today!
congrats on your new glass :)

edit: both of you :)

[Edited on 7-12-2005 by stygian]
7-12-2005 at 10:14
by: stygian
Acetic anhydride preparation
Ok, so, because gc decided to totally ignore the procedure partway through, we should focus on diffe ...
6-12-2005 at 21:19
by: stygian
Acetic anhydride preparation
Yes, as the propionic procedure (only substituting acetate for propionate) does say to 'add, with st ...
6-12-2005 at 17:41
by: stygian
Solvent for benzoic acid chlorination
What would be a good solvent for the chlorination of benzoic acid with a catalytic amount of phospho ...
6-12-2005 at 16:08
by: stygian
NH3-water azeotrope?
Edit: blah. nevermind

[Edited on 3-12-2005 by stygian]
2-12-2005 at 21:24
by: stygian
Help With Concentrations Homework
Oh. Then its 355 mg which is..

12(C) + 2*16(O) = 44 (dontremembertheunits)

.355/44 = .008 mol ...
2-12-2005 at 21:23
by: stygian
Help With Concentrations Homework
No guarantees here, but ill give it a shot. Someone correct me if im wrong, then i'll learn so ...
2-12-2005 at 21:18
by: stygian
well lets see..
We have 5/100. Five parts per hundred. To make hundred a million you take it *10000 if im not mist ...
2-12-2005 at 19:00
by: stygian
NH3-water azeotrope?
very low temps, considering NaOH + H2O => heat

or would the amount of heat be negligible?

[Ed ...
2-12-2005 at 18:56
by: stygian
Help With Concentrations Homework
5 percent?

5 per cent

5 / 100

use .05 not 5


I think. I havent done stoich in so long. ...
2-12-2005 at 18:40
by: stygian
NH3-water azeotrope?
Id imagine youd have to dissolve the lye in water, so Cl2 would form HCl + HOCl . But i could be wr ...
2-12-2005 at 17:20
by: stygian
Acetic anhydride preparation
From reading hive posts, rhodium seemed to know his stuff, i dont think he posted stuff that didn� ...
2-12-2005 at 17:17
by: stygian
Acetic anhydride preparation
Does chlorine react with sodium acetate? If so, maybe you got too much of that reaction in compariso ...
2-12-2005 at 15:12
by: stygian
NH3-water azeotrope?
I seem to remember reading somewhere that while difficult, non-aqueous NaOCl is possible. May have ...
2-12-2005 at 12:39
by: stygian
Elemental sulfur from sulfates
I've been told H2O2 will oxidize the H2S (maybe even CaS) to sulfur
1-12-2005 at 11:07
by: stygian
Acetic anhydride preparation
I may be wrong, but wasn't this whole thread about an easy way to/around acetyl chloride?
30-11-2005 at 20:30
by: stygian
H2O2 + Cu(OH)2
'persulfate' is a broad term. I don't think theyre like percarbonates, which have H2 ...
29-11-2005 at 14:26
by: stygian
Acetic anhydride preparation
I suppose it works somewhat like chlorinations using catalytic amounts of S or P (a la chloroacetic ...
28-11-2005 at 14:26
by: stygian
Acetic anhydride preparation
[quote][i]Originally posted by BASF[/i]
:mad:

I donĀ“t want to discourage you after finding thi ...
28-11-2005 at 14:20
by: stygian
Acetic anhydride preparation
I'm going to assume that this was overlooked, otherwise I don't see why there'd be a ...
27-11-2005 at 19:44
by: stygian
Diphoronepentaperoxide (DPPP)
You shouldn't need that much acid. I think the HCl (or NaOH) + acetone rxn is an aldol condens ...
27-11-2005 at 07:32
by: stygian
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