Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
NaOH as drying agent?
Sodium hydroxide pellets are normally used as they are more effective in drying amines than magnesiu ...
17-8-2005 at 23:31
by: praseodym
Lithium Triethyl Borohydride Synthesis
[quote][i]Originally posted by saps[/i]
I am wondering what type of drying agent would be most suit ...
16-8-2005 at 00:46
by: praseodym
Roach Spray
[quote][i]Originally posted by toxin[/i]
How toxic is roach spray if accidentally inhaled ?

How ...
13-8-2005 at 22:04
by: praseodym
What do to with KMnO4?
[quote][i]Originally posted by Lambda[/i]
If you drop a drip of glycerine on a small pile of fine P ...
13-8-2005 at 21:42
by: praseodym
nickel/gold separation
But by using electrolysis wouldnt it mean that we have to either melt the mixture of Ni/Au or form a ...
13-8-2005 at 02:51
by: praseodym
What do to with KMnO4?
If it is only potassium permanganate, there shouldnt be any toxic gases when you heat up potassium p ...
13-8-2005 at 02:45
by: praseodym
Identifying a metal oxide
I think the addition of sulphur does make reaction more vigorous but wouldnt the burning of sulphur ...
13-8-2005 at 02:19
by: praseodym
Rewiring a transformer
Voltage/Ampere gives you the resistance and VA gives you the power. I guess that most of the transfo ...
12-8-2005 at 03:36
by: praseodym
nickel/gold separation
Separating using a magnet? If I have not remembered wrongly, nickel is ferromagnetic while gold is n ...
12-8-2005 at 03:25
by: praseodym
succinic acid question?
Can succinic acid also be formed by oxidising ethylene glycol?
10-8-2005 at 23:15
by: praseodym
Only HI reductions?
This is because HI, with its iodide ions, is a stronger reducing agent compared to HF, HCl and HBr. ...
10-8-2005 at 23:09
by: praseodym
Interesting energetic materials
But they have relatively low melting points.
This link [url=http://chemed.chem.purdue.edu/genchem/t ...
9-8-2005 at 23:44
by: praseodym
Automatic fire protection
What about CuCO3 instead? It is less stable than NaHCO3, i think, hence more effective.
9-8-2005 at 23:34
by: praseodym
Trying to figure out what happened
That is a big difference between the 2 numbers...
9-8-2005 at 23:30
by: praseodym
Chemical Plant Explosion!!!!
[quote][i]Originally posted by Lambda[/i]
Columbia space shuttle success
[Edited on 10-8-2005 by L ...
9-8-2005 at 23:09
by: praseodym
catalases for:H2O2->O2+H2O
Well, why not use MnO2? It is the most commonly used for decomposition of MnO2.
9-8-2005 at 23:04
by: praseodym
Identifying a metal oxide
[quote][i]Originally posted by unionised[/i]
Chemoleo,
"NiO is black, too, btw."
Care t ...
9-8-2005 at 22:42
by: praseodym
Sodium Ethoxide and anhydrous EtOH
Do you have Na metal? Because to get NaOEt, you can react Na with EtOH.
9-8-2005 at 22:33
by: praseodym
Good way to Methylamine HCl?
Hmm...true that this reaction has to take place under very controlled conditions. When excess ammoni ...
9-8-2005 at 22:21
by: praseodym
Good way to Methylamine HCl?
Methylamine can actually be obtained by heating aq ammonia with methylchloride.
8-8-2005 at 23:36
by: praseodym
Acetaldehyde synthesis
Acetaldehyde can also be prepared by oxidising EtOH or from acetic acid by dry distillation of calci ...
8-8-2005 at 23:30
by: praseodym
Identifying a metal oxide
It is always better to start a thermit reaction with a Mg fuse.
8-8-2005 at 23:09
by: praseodym
Sodium Ethoxide and anhydrous EtOH
Mg and Al alkoxides are insoluble in water. They are normally produced by using the metal itself and ...
8-8-2005 at 23:03
by: praseodym
increasing nitric acid from O3 generator
Getting nitric acid??
Here's one method:

Firstly, you oxidise a 1:9 ammonia/air mixture, pr ...
8-8-2005 at 22:52
by: praseodym
B-asarone Synthesis
What do you want asarone for since it is banned in many countries??
7-8-2005 at 05:34
by: praseodym
[Next Page]

  Go To Top