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Qualitative V/Cr detection
[rquote=656936&tid=157212&author=Bedlasky]Draconic acid: Yes, vanadium give red peroxide com ...
26-3-2021 at 02:36
by: chornedsnorkack
Qualitative V/Cr detection
What are good reactions to spot V and Cr in aqueous solution?

They have a lot of similarities:
I ...
23-3-2021 at 13:21
by: chornedsnorkack
Hand vs. NaK
[rquote=656722&tid=157134&author=EliasExperiments]@chornedsnorkack Only one way to find out ...
20-3-2021 at 11:32
by: chornedsnorkack
Hand vs. NaK
[rquote=656623&tid=157134&author=EliasExperiments]I doubt the KO2 will simply sink to the bo ...
19-3-2021 at 12:41
by: chornedsnorkack
Hand vs. NaK
[rquote=656513&tid=157134&author=EliasExperiments]@chornedsnorkack I don't have the slightes ...
17-3-2021 at 01:20
by: chornedsnorkack
Hand vs. NaK
When does baby oil react with KO[sub]2[/sub]?
All simple alkali metal oxides, peroxides and hyperox ...
16-3-2021 at 09:15
by: chornedsnorkack
Chlorine as solvent
BCl[sub]3[/sub] condenses at +13 C and stays liquid down to -108 C. It is trigonal planar, thus nonp ...
14-3-2021 at 00:15
by: chornedsnorkack
Chlorine as solvent
Chlorine condenses at -34 Celsius, and freezes at -102 Celsius.

What is it like as a solvent? As ...
13-3-2021 at 11:31
by: chornedsnorkack
Hand vs. NaK
[rquote=656240&tid=157134&author=EliasExperiments]
@Elemental Phosphorous. Yes you can diss ...
12-3-2021 at 10:56
by: chornedsnorkack
Is there a way to make soda lime glass conduct heat?
[rquote=655410&tid=157074&author=SWIM]I think quartz is the right idea.

Prices have dropp ...
24-2-2021 at 01:52
by: chornedsnorkack
A new way to make NCl3?
[rquote=654673&tid=157020&author=Triflic Acid]I was just thinking that, if you bubbled chlor ...
17-2-2021 at 23:40
by: chornedsnorkack
Which metals dissolve in bromine?
Which metals dissolve in bromine?
Bromine is a pretty nonpolar solvent. Dielectric permittivity giv ...
14-2-2021 at 09:28
by: chornedsnorkack
Acid mixtures that dissolve gold
The classical solvent for Au is aqua regia.
But this is because alchemists discovered HNO[sub]3[/su ...
12-2-2021 at 13:32
by: chornedsnorkack
Do selenonic acids explode?
[rquote=654084&tid=156966&author=Bedlasky]But this explosion occurs because of formation of ...
1-2-2021 at 02:19
by: chornedsnorkack
Do selenonic acids explode?
So the melting points for pure SO3/H2O and pure SeO3/H2O systems:
H2SO4 - 10,4 C
H2S2O7 - 35 C
SO ...
31-1-2021 at 13:13
by: chornedsnorkack
Do selenonic acids explode?
[rquote=654015&tid=156966&author=Bedlasky]
More info in [url=https://www.researchgate.net/p ...
31-1-2021 at 10:44
by: chornedsnorkack
Do selenonic acids explode?
Nitric acid is a strong oxidant. Nitro compounds and nitrates are renowned explosives.
Sulphuric ac ...
30-1-2021 at 09:33
by: chornedsnorkack
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
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