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an Amine / Iodine concern
OK, the reaction doesn't work with aryl halides (usually) but for alkyl halides the reaction is RI + ... |
10-7-2006 at 10:37
by: unionised |
Are NaOH and KOH Interchangeable for Basification?
"OTOH, I can't imagine anybody finding molality (mol/kg solvent) to be other than useless. "
It's e ... |
10-7-2006 at 09:59
by: unionised |
an Amine / Iodine concern
Well, I read it.
It's not very common to use the reaction of an aryl halide with ammonia to form an ... |
10-7-2006 at 09:40
by: unionised |
Liquid Iodine
Iodine melts at 113C and the liquid would be pretty dense so it would sink to the bottom of most aqu ... |
10-7-2006 at 09:21
by: unionised |
Are NaOH and KOH Interchangeable for Basification?
There could be problems using NaOH vs KOH with solubility for some materials (though it's not a big ... |
9-7-2006 at 00:48
by: unionised |
WHAT IS O P H O R I T E ?
OK, one of the nice things about working for a decent lab is a good library. I looked it up in one o ... |
8-7-2006 at 04:37
by: unionised |
will it dissolve?
Ammonia isn't a strrong base. Most of it just disolves as NH3(aq). Some of it ionises but the ammoni ... |
6-7-2006 at 09:55
by: unionised |
Decomposition of sulfamate
I assumed that, like a lot of sulphates, most sulphamates would be hydrated and you could get ammoni ... |
6-7-2006 at 09:33
by: unionised |
PLASTICIZERS & BINDERS
Why do I get the feeling this is a homework question?
At least 2 of them are plasticisers, but they ... |
5-7-2006 at 11:07
by: unionised |
Oxidation State and Number
What are you trying to draw?
Peroxodisulphuric acid is H2S2O8
The structure contains an O-O bond ... |
5-7-2006 at 11:03
by: unionised |
naoh
I find it hard to believe that anyone who can't/won't use capital letters for chemical formulae real ... |
5-7-2006 at 10:57
by: unionised |
will it dissolve?
"NH3 will undergo a change in water though, to become NH4OH"
No, it doesn't; it never did and it ne ... |
5-7-2006 at 10:52
by: unionised |
Improvised Sodium Hydroxide
I'm not saying that reaction doesn't happen but since Na2CO3 melts at well over 800C it's not going ... |
5-7-2006 at 10:22
by: unionised |
Decomposition of sulfamate
"I don't see how ammonia could have possibly be produced from a sulfamate. The nitrogen has to be ox ... |
5-7-2006 at 10:06
by: unionised |
Obscure antiquated or household drugs
It was (or it may have been perchlorate but that's rather thyrotoxic).
A colleague who once worked ... |
3-7-2006 at 12:56
by: unionised |
WHAT IS O P H O R I T E ?
Interesting. No incidence of to-, by- or make- ophorite and no "ophorite is".
Does the stuff really ... |
3-7-2006 at 12:46
by: unionised |
Zinc Nitrate? lets hope...
I wonder if you have thought of disolving the zinc in NaOH (which is easy to get OTC). Acidifying it ... |
3-7-2006 at 12:24
by: unionised |
High Temperature Dark Body
Come to think of it, how hot will this thing get anyway.
You have so many square metres of sunlight ... |
3-7-2006 at 12:11
by: unionised |
Failed HBr distillation...
I remember it OK, that's why I asked where the thermomter was.
Any sodium sulphate etc present didn ... |
2-7-2006 at 09:57
by: unionised |
High Temperature Dark Body
It looks like most rocks would melt.
http://en.wikipedia.org/wiki/Lava
Finely divided tungsten doe ... |
2-7-2006 at 09:49
by: unionised |
High Temperature Dark Body
I know it sounds silly, but what about platinum. I don't mean a Pt crucible, I mean fireclay or some ... |
2-7-2006 at 04:30
by: unionised |
Failed HBr distillation...
I think this is the problem.
"Apparently the 40 volume hair developer is buffered all to hell."
I ... |
2-7-2006 at 01:09
by: unionised |
Failed HBr distillation...
Evil lurker, were the temperatures the boiling points of the liquid in the flask or the vapour comi ... |
1-7-2006 at 13:13
by: unionised |
Old IR Spec Equipment
"How useful are IR-microscopes in analytical organic chemistry? "
Good enough that they still sell ... |
1-7-2006 at 05:26
by: unionised |
Heating mantle question
Provided that you don't mind blotting out a.m. radio for a few yards you can probably get away with ... |
1-7-2006 at 05:18
by: unionised |
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