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Will a water-salt solution oxidise copper??
I believe when you heat copper metal in air (to red heat) you get red copper(I) oxide forming on the ... |
14-6-2009 at 04:59
by: Hydragyrum |
Color Change Green --> Blue Under heat?
Cool idea - I've no suggestions but would be interested to know if you find what you're looking for. |
12-6-2009 at 16:20
by: Hydragyrum |
Book Sanning Process a la Sauron
Not a problem, I'll get over my disillusionment 
And by the way, even if your motivation is 100 ... |
9-6-2009 at 23:25
by: Hydragyrum |
Book Sanning Process a la Sauron
[rquote=154678&tid=12341&author=JohnWW]At least an 8 megapixel camera would be needed. But t ... |
9-6-2009 at 15:53
by: Hydragyrum |
Book Sanning Process a la Sauron
[rquote=154635&tid=12341&author=Sauron]I have spent $500 on the sacrificed books.[/rquote]
... |
9-6-2009 at 06:11
by: Hydragyrum |
Why do electrons have more kinetic energy when closer to the nucleus?
You ask, 1. [i]"Why do electrons have more kinetic energy when closer to the nucleus?"[/i], and 2. [ ... |
7-6-2009 at 05:48
by: Hydragyrum |
Why do electrons have more kinetic energy when closer to the nucleus?
Hmm, tried to write this once already, so this time it's shorter - sorry!
For reaction Na(g) & ... |
7-6-2009 at 05:31
by: Hydragyrum |
Why do electrons have more kinetic energy when closer to the nucleus?
A gaseous atom (or ion, or molecule) is one which is suspended either in vacuum or in a gas (that is ... |
7-6-2009 at 05:08
by: Hydragyrum |
How to identify beryllium in copper alloys?
Not sure, but I'd start with dissolving a sample of alloy in acid (use excess alloy so final solutio ... |
6-6-2009 at 14:58
by: Hydragyrum |
Ferricyanide precipitation?
Nice experimentation woelen! |
6-6-2009 at 14:50
by: Hydragyrum |
Anhydrous Diethyl Ether via NaOH?
Another thing: NaOH may well be fine for drying alcohols but I'm no longer sure if it is good for et ... |
5-6-2009 at 07:40
by: Hydragyrum |
Anhydrous Diethyl Ether via NaOH?
NaOH may well work - you then make an excess of Grignard reagent and some of it is taken up drying t ... |
5-6-2009 at 07:26
by: Hydragyrum |
Quick Question about Manganese(II) Sulphate
Thank you all for your input so far - I have a yellow colouration in my mixture too - it is mostly s ... |
4-6-2009 at 23:12
by: Hydragyrum |
anhydrous CrCl3
Cr(III) forms 'inert' complexes, right? Once H2O is bound and the Cr reduced to Cr(III) then it is s ... |
4-6-2009 at 15:09
by: Hydragyrum |
Quick Question about Manganese(II) Sulphate
[rquote=154283&tid=12323&author=Sedit]My issue with MnSO4 is the complete opposite. My cryst ... |
4-6-2009 at 14:44
by: Hydragyrum |
Quick Question about Manganese(II) Sulphate
Thank you Jor, I visited Woelen's [url=http://81.207.88.128/science/chem/compounds/manganous_sulfate ... |
4-6-2009 at 05:13
by: Hydragyrum |
Quick Question about Manganese(II) Sulphate
Hi All,
I have managed to grow crystals of what I think is manganese(II) sulphate, but these crys ... |
4-6-2009 at 04:17
by: Hydragyrum |
Possible semi-catalytic bromine synthesis
pHzero, I'm not sure if your idea would be the best method for producing bromine, but it is a good i ... |
2-6-2009 at 23:51
by: Hydragyrum |
Ferricyanide precipitation?
[rquote=154146&tid=12296&author=DJF90]However I dont think this possible with the ferricyani ... |
2-6-2009 at 23:45
by: Hydragyrum |
Ferricyanide precipitation?
[rquote=154098&tid=12296&author=woelen]Sorry for the mistake. That was one of my unclear mom ... |
2-6-2009 at 05:02
by: Hydragyrum |
Ferricyanide precipitation?
[rquote=154093&tid=12296&author=woelen]The mechanism behind this is that Fe(III) easily is a ... |
2-6-2009 at 02:17
by: Hydragyrum |
Home labs and legal issues
[rquote=153925&tid=11304&author=Sauron]Land of the free, home of the brave.
I used my fre ... |
31-5-2009 at 03:56
by: Hydragyrum |
Chemical clearance NOW ON
Can I ask what country you are in? (just because I don't want to import things into Australia... but ... |
28-5-2009 at 02:32
by: Hydragyrum |
how to dissolve ferrite?
Sometimes oxides which don't dissolve in acid (or only dissolve slowly) will dissolve in NaOH soluti ... |
26-5-2009 at 06:30
by: Hydragyrum |
A remarkable nickel(I) complex
I guess you could use argon as the gas? Should be easily available.
On another note, I happened a ... |
24-5-2009 at 04:51
by: Hydragyrum |
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