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Soda and NaOH
The originlal question was "if
NaOH + NaHCO3 --> Na2CO3 + H2O
Na2CO3 + 2H2O --> 2NaO ... |
31-5-2004 at 14:59
by: unionised |
Solubility of calcium nitrate in water
If you plot the log of the solubillity vs temperature you should get a fairly straight line that you ... |
29-5-2004 at 08:34
by: unionised |
Potassium ferrate
Because they give them with respect to a standard hydrogen electrode which is acidic. This way they ... |
27-5-2004 at 14:27
by: unionised |
Soda and NaOH
The decomposition of sodium carbonate to CO2 and NaOH (the second reaction) doesn't happen (or, ... |
27-5-2004 at 14:21
by: unionised |
Molten hydroxide as an oxidizing agent.
Erm? Hang on a bit? Molten sodium hydroxide is a poor oxidising agent, it will oxidise aluminium, bu ... |
27-5-2004 at 14:13
by: unionised |
Iodine extraction
Acording to my 1963 copy of the British pharmacopoeia (ie this might be wrong), tincture of iodine c ... |
27-5-2004 at 13:56
by: unionised |
TEPP Synthesis
Did I miss something or have we changed from pyrophosphAtes to pyrophosphItes? |
24-5-2004 at 14:57
by: unionised |
gold separation
HCl doesn't attack gold unless there is an oxidant present. It will disolve any iron containing ... |
22-5-2004 at 15:01
by: unionised |
TEPP Synthesis
My best guess at the commercial manufacturing method for ethyl chloride would be the chlorination of ... |
22-5-2004 at 06:21
by: unionised |
Silicon burn(?)
Silicon is an element from which semiconductors are made. Silicone is a type of polymer from which h ... |
22-5-2004 at 06:13
by: unionised |
TEPP Synthesis
I can help you with the inorganic bit.
Melt the AgI with NaOH
AgI +NaOH ---> Ag +NaI +H2O +O2
... |
20-5-2004 at 14:48
by: unionised |
gold separation
Presumably, crushing it and panning it is too dull and unscientific. |
19-5-2004 at 15:39
by: unionised |
wodka-brewing
Prince Lucifer;
if I ferment a kilo of sugar I get about half that weight of alcohol. It doesn' ... |
17-5-2004 at 15:36
by: unionised |
does anyone know...
I don't see the problem with using a synchrotron as an atom smasher (except, of course, that I ... |
17-5-2004 at 15:12
by: unionised |
Using the Nernst Equation:
Doh!
I'm so used to seeing the Nernst equation in terms of half reactions... |
17-5-2004 at 14:56
by: unionised |
Nitrogen N4
Madscientist; why do you think a V der W dimer is impossible? http://content.aip.org/JCPSA6/v88/i2/6 ... |
17-5-2004 at 14:41
by: unionised |
wodka-brewing
Why bother to remove the yeast? It won't distill.
35 to 50% is not terible, it's about t ... |
16-5-2004 at 14:38
by: unionised |
Alternate methods of finding Acid/Alkali concentrations (determining pH!!)
Hang on Vulture! Gravimetric measurements give some of the most precise analyses known. Granted, tha ... |
16-5-2004 at 13:53
by: unionised |
Oil for oilbath
OK, zinc is rather toxic to use as amunition and (just to cause abject panic among environmentalists ... |
16-5-2004 at 13:25
by: unionised |
Nitrogen N4
Just a thought, could N4 (tetrahederal, square, linear ot whatever) exist as a Van der Walls dimer?
... |
16-5-2004 at 13:04
by: unionised |
Using the Nernst Equation:
I never did like the Nernst equation (though I still think the guy deserves a capital letter) but I ... |
16-5-2004 at 12:56
by: unionised |
NH3O-- Does this exist?
NH2OH exists but is unstable; you can buy salts of this base from the usual suppliers. That's n ... |
9-5-2004 at 11:17
by: unionised |
Xylene & OTC solvents in general
Washing with water should work; you may need to wash a few times. If you measure the volume before a ... |
9-5-2004 at 02:29
by: unionised |
Silver cleaner?
If it were a strong base and trapped all the CO2 from the air in the bottle then the pressure would ... |
8-5-2004 at 08:11
by: unionised |
NH3O-- Does this exist?
Trimethylamine oxide does exist so the valency argument isn't valid. I guess the compound would ... |
8-5-2004 at 07:57
by: unionised |
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