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Halogen Colors
Any intrinsic colour of the astatine would be vastly drowned out by the light released as a result o ...
9-8-2009 at 22:14
by: Pyrovus
Why does Fusion work?
Actually, nickel 62 is the nucleus with the greatest binding energy per nucleon:

http://en.wikipe ...
20-6-2009 at 01:20
by: Pyrovus
Metalic Compounds
There are also a few ionic compounds as well - for instance, gold is fairly electronegative and will ...
16-6-2009 at 23:45
by: Pyrovus
Toxicity of phosgene
The other danger of phosgene, in addition to its hydrolysis, is the fact that it is also a very stro ...
10-8-2008 at 02:03
by: Pyrovus
Oxygenic acid?
[quote][i]Originally posted by JohnWW[/i]
[quote][i]Originally posted by Pyrovus[/i]
Since when ha ...
8-7-2008 at 22:54
by: Pyrovus
Oxygenic acid?
Since when has ozone contained oxygen in the +4 state?
8-7-2008 at 00:21
by: Pyrovus
Oxygenic acid?
Technically it is possible to draw a valid Lewis structure for H2OO4, however, because you don't hav ...
7-7-2008 at 06:09
by: Pyrovus
NYPD trying to outlaw possession of Geiger counters or air quality detectors w/o permit
I can just imagine it now:

Police officer: "The city owes you a debt of gratitude. We'd never hav ...
30-1-2008 at 03:28
by: Pyrovus
NYPD trying to outlaw possession of Geiger counters or air quality detectors w/o permit
[quote]
Our mutual goal is to prevent false alarms[/quote]

Presumably they'll be banning smoke d ...
27-1-2008 at 21:01
by: Pyrovus
Fluorates?
The only realistic structure for the hypothetical fluorate would be this:

[img]http://i149.photob ...
1-1-2008 at 20:49
by: Pyrovus
decompostion of sulfurous acid
I do recall it mentioned somewhere that UV light will cause the disproportionation of sulfurous acid ...
31-12-2007 at 02:13
by: Pyrovus
How to live a long time
There is some evidence that resveratrol can slow the aging process:

http://en.wikipedia.org/wiki/ ...
25-7-2007 at 02:54
by: Pyrovus
Dangers of sodium, unexpected result
A trick used to produce potassium by reduction with sodium is by reacting sodium with molten KCl:

...
1-7-2007 at 06:43
by: Pyrovus
Mercury -Toxicity
[quote][i]Originally posted by DerAlte[/i]
For years mercury was used as a drug – the metal itsel ...
26-6-2007 at 04:27
by: Pyrovus
Fluorine Generation
CuF2 decomposes to CuF and F2 at around 1000°C or so, though this probably isn't all that practical ...
29-5-2007 at 05:01
by: Pyrovus
Permanganates
I've tried hypochlorites with limited success. I've found it to be very messy and annoying - no matt ...
15-5-2007 at 03:22
by: Pyrovus
Baking soda no longer OTC? Laugh? Cry? You decide
They should also ban that insidious chemical, chlorinated natrium. Not only can it be used by drug d ...
1-5-2007 at 05:49
by: Pyrovus
Ammonium salts preparation....
On the subject of exotic ammonium salts, I wonder if it might be possible to create ammonium hydride ...
1-5-2007 at 03:23
by: Pyrovus
HNO3????
The trouble is though that NCl3 hydrolyses to ammonia and hypochlorite, consistent with nitrogen bei ...
25-4-2007 at 00:35
by: Pyrovus
Petition to ban DHMO
Well, there is a drug, formonitrile, which apparently can cure DHMO addiction almost instantly with ...
12-4-2007 at 23:06
by: Pyrovus
Oxidation state of N in R-NO2
It is important not to confuse valency and oxidation number. Valency is a measure of the total numbe ...
12-4-2007 at 22:57
by: Pyrovus
Howdy!
Another nice colour change reaction is that between a solution of copper sulphate and table salt. Up ...
15-3-2007 at 20:56
by: Pyrovus
Potassium ferrate
Here's a picture of a ferrate solution I prepared recently (apologies for the picture quality).

[ ...
11-2-2007 at 20:55
by: Pyrovus
blocking your sense of smell?
Well, H2S is notorious for knocking out the sense of smell at high concentrations - many people have ...
23-12-2006 at 20:30
by: Pyrovus
Br Related
Bromo chloro dimethylhydantoin has the bromine and the chlorine covalently bonded to nitrogens:

[ ...
17-12-2006 at 22:10
by: Pyrovus
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