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Copper, ammonia, vinegar, acetone and I don't know what happend.
No, it wasn't turquise!

Plain hydrated copper is turquise, anx my solution wasn't and is not now. ...
22-8-2015 at 09:45
by: MeshPL
What is amalgam? Is it mercuride (mercury anion)?
Some are some are not. Some amalgams (mostly alkali metals) are actual compounds with specific propr ...
22-8-2015 at 09:41
by: MeshPL
Copper, ammonia, vinegar, acetone and I don't know what happend.
How do I know what was left in solugion after electrolysis?

1. From the colour. (Nice blue, not t ...
22-8-2015 at 09:25
by: MeshPL
Preparation of Chromate/Dichromate
Did anybody point out that Cr2O3 is insoluble in acids and aqueous hydroxides? It can only be dissol ...
22-8-2015 at 06:15
by: MeshPL
Copper, ammonia, vinegar, acetone and I don't know what happend.
Hello everybody!

I was electrolysing 25% ammonia using copper electrodes. I ran electrolysis unti ...
22-8-2015 at 05:06
by: MeshPL
Prepearation of Toluene from benzene
Don't even try CH3I and aluminium chloride catalyst. With Friedel-Crafts alkylation it is nearly imp ...
22-8-2015 at 04:46
by: MeshPL
Low melting salt mixtures
In my "chemistry tables" book I've found the following compositions, none of them being nitrates:

...
20-8-2015 at 08:01
by: MeshPL
Electrolytic tetraammine copper compounds (WITH PICTURES)
A few days ago I did something simmilar but with 25% aqueous ammonia. I was able to obtain quite int ...
20-8-2015 at 07:27
by: MeshPL
Chlorate decomposition (?)
Some of it was dry, especially at the top, yet the bottom was still quite damp. But it soldified lat ...
26-7-2015 at 13:12
by: MeshPL
Chlorate decomposition (?)
Hello everybody!

I just finished a fresh batch of sodium chlorate. I concentrated electrolyte, me ...
26-7-2015 at 11:36
by: MeshPL
benzyl alcohol oxidation
I'm supprised nobody mentioned chromyl chloride + toluene --> benzaldehyde. Chromyl chloride oxid ...
25-7-2015 at 05:10
by: MeshPL
MethylSulfonylMethane reduction with Zinc to DMSO
I'm not an expert regarding organic chemistry. Title of your topic is wrong: DiMethyl SulfOxide is D ...
25-7-2015 at 04:43
by: MeshPL
Iron catalyzed sulphuric acid production
[quote]
star
H ==> Pb (2.3 billion years +/-486.25 million)
hot
[/quote]

No, lead ...
19-7-2015 at 22:21
by: MeshPL
Iron catalyzed sulphuric acid production
For some reason I cannot view, that book...

[quote]
Fe2S + O2 + H2O -> FeSO4 -> Fe2(SO4)3
...
19-7-2015 at 07:15
by: MeshPL
there is anyway to prevent carbon electrode from corrosion during electrolysis.
Coat graphite with lead dioxide. Or just use lead as mentioned before.

You can also try with diff ...
18-7-2015 at 09:03
by: MeshPL
Iron catalyzed sulphuric acid production
Hello everybody!
Reading wikipedia i got an idea: how to produce sulphuric acid at home cheaply and ...
18-7-2015 at 06:10
by: MeshPL
How many separate liquid phases?
let's say they should none of them should mix
18-7-2015 at 05:48
by: MeshPL
How many separate liquid phases?
Here's a non-trivial question:

How many separate liquids there can be, neither of which is solubl ...
9-7-2015 at 13:18
by: MeshPL
Buffer pH problem
Juices or not (infusions, extracts... I'm actually going to boil theese things to extract dyes and t ...
5-7-2015 at 04:09
by: MeshPL
Buffer pH problem
I made an ugly system of equations for calculating phosphate buffer ph:

a+b=c; a*x/c=d; b*y/c=z; ...
4-7-2015 at 12:37
by: MeshPL
Buffer pH problem
I would like to calculate them, but I'm not sure how. How am I supposed to implement water autodisdo ...
3-7-2015 at 21:37
by: MeshPL
Buffer pH problem
Hello everybody!

Can I rely on buffer solutions compositions posted on this site?:
[url=http://d ...
3-7-2015 at 11:47
by: MeshPL
What is this thing made of?
Really huge response for just a simple question...
Anyway, aluminium and brass should resits aceton ...
22-6-2015 at 03:23
by: MeshPL
What is this thing made of?
E-bay? Didn't even look there. I live (and bought it) in central Europe.

I'll try aluminium or br ...
21-6-2015 at 12:24
by: MeshPL
What is this thing made of?
I may end up doing that. Or I can just try buying aluminium or brass pipes.
21-6-2015 at 10:36
by: MeshPL
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