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Pretty Pictures (2)
[rquote=611874&tid=26378&author=DavidJR]Are you sure that's salicylic acid? When I recrystal ... |
7-5-2019 at 18:00
by: DraconicAcid |
Pretty Pictures (2)
Some crystals of salicylic acid, grown from toluene/hexane. i was *trying* to make butyl salicylate ... |
7-5-2019 at 17:20
by: DraconicAcid |
Preperation of ethyl salicylate
I tried again to make butyl salicylate, once using boric acid as a catlyst, and once using sulphuric ... |
7-5-2019 at 17:17
by: DraconicAcid |
Identification of a mystery metal
That surprises me, just from the toxicity of H2S.
At any rate, the colour of the sulphide isn't v ... |
1-5-2019 at 09:02
by: DraconicAcid |
Identification of a mystery metal
[rquote=611086&tid=149463&author=Ubya]If you were able to scrape it easily it's not SS.
To ... |
1-5-2019 at 07:51
by: DraconicAcid |
Gold is dissolving in hot HCl + H2O2 solution
You don't need to generate chlorine in situ to dissolve gold- the presence of chloride stabilizes th ... |
30-4-2019 at 20:36
by: DraconicAcid |
Identification of a mystery metal
Does it react with more concentrated hydrochloric acid? Is it magnetic? |
30-4-2019 at 15:52
by: DraconicAcid |
adjusting ph problems
If you're using a strong acid and a strong base to try to get the pH to 7, of course you're going to ... |
26-4-2019 at 10:21
by: DraconicAcid |
Please give me the most accurate Ksp data
http://www2.chm.ulaval.ca/gecha/chm1903/6_solubilite_solides/solubility_products.pdf |
24-4-2019 at 08:44
by: DraconicAcid |
Please give me the most accurate Ksp data
[rquote=610153&tid=148612&author=CharlieA]
Now I am really confused. What do you mean by K ... |
23-4-2019 at 17:05
by: DraconicAcid |
Rotation of atoms around single/double/triple bonds
[rquote=610127&tid=148827&author=Endo]Also with double bonds if you have a source of UV ener ... |
23-4-2019 at 12:00
by: DraconicAcid |
Rotation of atoms around single/double/triple bonds
That kinda makes sense. If you rotate a carbon-carbon double bond 90 degrees, you completely break ... |
23-4-2019 at 11:23
by: DraconicAcid |
Rotation of atoms around single/double/triple bonds
There is generally free rotation around single bonds.
There is no free rotation around a double b ... |
23-4-2019 at 07:48
by: DraconicAcid |
Please give me the most accurate Ksp data
[rquote=609991&tid=148612&author=fusso]So that means the site simply use the solubility to c ... |
23-4-2019 at 07:46
by: DraconicAcid |
Please give me the most accurate Ksp data
The hydroxides are complicated also by the formation of complex ions such as [Al(OH)]2+, [Al(OH)2]+ ... |
23-4-2019 at 00:22
by: DraconicAcid |
Please give me the most accurate Ksp data
Some Ksp values will be measured at standard ionic strength; others will be extrapolated to an ionic ... |
22-4-2019 at 21:47
by: DraconicAcid |
Notre Dame Smoke
[rquote=608764&tid=148080&author=RogueRose] So the burning of the most famous chruch in the ... |
17-4-2019 at 18:05
by: DraconicAcid |
The Short Questions Thread (4)
Is there am acidic derivative of theobromine called chocolic acid (which would have the conjugate ba ... |
17-4-2019 at 18:01
by: DraconicAcid |
Shortest terms for the following concentration definitions?
I doubt it, but "mass percent" comes close. |
14-4-2019 at 20:43
by: DraconicAcid |
Thermodynamics - Heat of Vaporization change with pressure
[rquote=608648&tid=148029&author=FluoroPunch][rquote=608641&tid=148029&author=Dracon ... |
14-4-2019 at 20:01
by: DraconicAcid |
Thermodynamics - Heat of Vaporization change with pressure
The enthalpy of vaporization will change slightly with pressure. Enthalpy is a state function, but ... |
14-4-2019 at 19:18
by: DraconicAcid |
The Colors of Uranium
Weird. I could have sworn that a specific book in my possession had a detailed description of what ... |
11-4-2019 at 12:43
by: DraconicAcid |
Sodium Sulfate unusual solubility
[rquote=608196&tid=147665&author=fusso][rquote=608184&tid=147665&author=CharlieA]May ... |
10-4-2019 at 19:24
by: DraconicAcid |
Making the most dense solution possible - that doesn't react with Cu or Al
Does the solution have to be aqueous? Bromoform and tribromoethane have densities in that area, and ... |
5-4-2019 at 20:33
by: DraconicAcid |
So what the hell happened?
Copper(II) nitrate trihydrate will crystallize from nitric acid solution, but it's very difficult to ... |
4-4-2019 at 15:49
by: DraconicAcid |
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