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Polarity and condensation physics
Uranium hexafluoride is NOT a gas. It is a solid that sublimes at +56 Celsius.
The heaviest gas is ...
15-1-2021 at 10:06
by: chornedsnorkack
Which alums exist?
Well, which do?
An alum requires:
[list=1][*]A monovalent cation of proper size
[*]A trivalent ca ...
27-12-2020 at 10:02
by: chornedsnorkack
Testing for KCN
Making sure that it is " indeed cyanide" is the easy part. There are several simple qualitative test ...
21-11-2020 at 08:55
by: chornedsnorkack
Testing for KCN
High purity also requires proving absence of all likely impurities. Qualitatively proving that it is ...
20-11-2020 at 13:44
by: chornedsnorkack
Help find information on these refractory metal nitrates
I did find about Mo and W (and Cr):
https://www.readcube.com/articles/10.1134%2Fs1063774510030053
...
12-11-2020 at 11:13
by: chornedsnorkack
Help find information on these refractory metal nitrates
Found start of an article (could not get full text) for Nb and Ta nitrates:
https://pubs.rsc.org/en ...
11-11-2020 at 22:21
by: chornedsnorkack
Completely volatile metal compound, even from aqueous solution!
Ah, very interesting. A case of gross error in Wikipedia.
A source for pKa:
13653075 - Pure and Ap ...
9-11-2020 at 10:53
by: chornedsnorkack
Completely volatile metal compound, even from aqueous solution!
Boiling point is reported as 130 Celsius for OsO4, but just 40 Celsius for RuO4.
6-11-2020 at 05:27
by: chornedsnorkack
Calcium carbonate and ammonium nitrate
Note that ammonium nitrate is actually miscible with water in all proportions.

Seriously. Dry amm ...
5-11-2020 at 01:01
by: chornedsnorkack
Electroless plating Re on Mg
[rquote=648088&tid=156427&author=FragranceLover89]I forgot to mention that this metal cylind ...
2-11-2020 at 21:52
by: chornedsnorkack
Electroless plating Re on Mg
Rhenium trioxide is also described as a red solid with a metallic lustre resembling copper, insolubl ...
2-11-2020 at 06:53
by: chornedsnorkack
DIY acid washed sand changed color unexpectedly
[rquote=647550&tid=156391&author=macckone]Draconic acid is correct, you can only remove the ...
27-10-2020 at 23:44
by: chornedsnorkack
Why are odd elements rarer that even elements ?
[rquote=646775&tid=156347&author=clearly_not_atara]Nucleons in nuclei pair up in spin up/dow ...
19-10-2020 at 22:51
by: chornedsnorkack
Exploding melting point capillaries
Melting point capillaries normally have an internal diametre of about 1 mm, and 3 mm length is usual ...
4-10-2020 at 01:06
by: chornedsnorkack
Life on Venus?!
[rquote=644714&tid=156162&author=woelen]Several days later, I saw that there was a yellowish ...
17-9-2020 at 01:22
by: chornedsnorkack
Life on Venus?!
Hydrogen - H[sub]2[/sub] - may be a more sluggish reducer than phosphane.
While phosphane is a weak ...
16-9-2020 at 23:27
by: chornedsnorkack
Evaporating bleach - what would come out?
[rquote=643870&tid=155249&author=aromaticfanatic]Also if you were able to somehow get a high ...
29-8-2020 at 22:11
by: chornedsnorkack
Autoignition of gunpowder
[rquote=643173&tid=155870&author=Herr Haber]I thought Conkling and wrote Urbanski.

There' ...
18-8-2020 at 13:05
by: chornedsnorkack
What Happened in Beirut
[rquote=642902&tid=155931&author=simply RED]Who put the fireworks together with the AN in th ...
14-8-2020 at 23:51
by: chornedsnorkack
Why can metals above Hydrogen in the reactovity series be electroplated?
Nernst equation is one part. Another is called overpotential:

https://en.wikipedia.org/wiki/Overp ...
8-8-2020 at 23:05
by: chornedsnorkack
Autoignition of gunpowder
What is the real autoignition temperature of gunpowder?

Your wiki:
http://www.sciencemadness.org ...
26-7-2020 at 22:17
by: chornedsnorkack
How reactive are gallium and indium in the reactivity series?
[rquote=641366&tid=155840&author=fusso][rquote=641348&tid=155840&author=chornedsnork ...
25-7-2020 at 11:29
by: chornedsnorkack
How reactive are gallium and indium in the reactivity series?
[rquote=641346&tid=155840&author=ChemistryGhost]So the table of reduction potentials happens ...
24-7-2020 at 22:55
by: chornedsnorkack
How reactive are gallium and indium in the reactivity series?
[rquote=641196&tid=155840&author=j_sum1][rquote=641194&tid=155840&author=ChemistryGh ...
24-7-2020 at 05:58
by: chornedsnorkack
How to concentrate formic acid?
Formic acid is itself unstable for two different decay reactions:
HCOOH <-> CO+H[sub]2[/sub]O ...
22-7-2020 at 04:15
by: chornedsnorkack
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