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Equilibrium nitric acid concentration
Nitric acid is known to decompose:
4HNO[sub]3[/sub]<->4NO[sub]2[/sub]+O[sub]2[/sub]+2H[sub]2[ ... |
6-5-2016 at 01:56
by: chornedsnorkack |
Sodium Hydroxide reduction
If anything, Al should be better than Mg.
Boiling points:
Al: 2470 degrees
Al2O3: 2980 degrees
M ... |
25-4-2016 at 09:17
by: chornedsnorkack |
separation of carbonates
Conversion of carbonates to hydrogen carbonates has the advantage of being more easily reversible th ... |
23-4-2016 at 01:42
by: chornedsnorkack |
Extinct curium found!
After some searching, extinct curium 247 has been found in meteors!
http://news.uchicago.edu/articl ... |
6-3-2016 at 02:17
by: chornedsnorkack |
Hydrogen halides by phosphoric acids?
I see that phosphoric acid becomes significantly oxidizing to modestly inert reducers like H[sub]2[/ ... |
5-3-2016 at 14:45
by: chornedsnorkack |
Hydrogen halides by phosphoric acids?
[rquote=440235&tid=65429&author=ave369] In fact, even for all salts of volatile acids: I've ... |
28-2-2016 at 01:12
by: chornedsnorkack |
Hydrogen halides by phosphoric acids?
Is it possible to produce hydrogen halides from halides by hot concentrated phosphoric acids?
A s ... |
27-2-2016 at 10:21
by: chornedsnorkack |
How to dry out phosphorus pentoxide?
[rquote=439955&tid=65377&author=clearly_not_atara]Use the enthalpies of formation to find yo ... |
26-2-2016 at 13:32
by: chornedsnorkack |
How to dry out phosphorus pentoxide?
[rquote=439824&tid=65377&author=clearly_not_atara]Normal dehydrating agents won't work, but. ... |
25-2-2016 at 13:49
by: chornedsnorkack |
How to dry out phosphorus pentoxide?
Azeotropic phosphoric acid is slightly towards P2O5 from HPO3, and boils slightly over 800 degrees. |
23-2-2016 at 10:14
by: chornedsnorkack |
Solubility of elements without chemical reaction
[rquote=439265&tid=65292&author=woelen]
U(3+) I don't know. Does this exist in aqueous solu ... |
19-2-2016 at 13:56
by: chornedsnorkack |
Solubility of elements without chemical reaction
[rquote=439064&tid=65292&author=woelen]Mn(3+) is stable at very low pH. I made this myself a ... |
18-2-2016 at 14:00
by: chornedsnorkack |
Solubility of elements without chemical reaction
[rquote=438986&tid=65292&author=woelen]
Such a display would indeed be nice. The first r ... |
16-2-2016 at 09:28
by: chornedsnorkack |
Dry Nitric acid
[rquote=436799&tid=65125&author=AJKOER]My look at the chemistry suggests adding NO2 as was n ... |
28-1-2016 at 12:04
by: chornedsnorkack |
Dry Nitric acid
[rquote=436617&tid=65125&author=Tsjerk]And what would be the difference between the HNO3/N2O ... |
26-1-2016 at 12:23
by: chornedsnorkack |
Dry Nitric acid
[rquote=436549&tid=65125&author=Bot0nist]Distill with concentrated sulfuric acid and you'll ... |
24-1-2016 at 13:38
by: chornedsnorkack |
Corundum synthesis
Corundum is stable in water above 360 Celsius and 170 bar:
http://www.minsocam.org/ammin/AM57/AM57_ ... |
21-1-2016 at 10:12
by: chornedsnorkack |
Phosphorus oligomers
White phosphorus, P[sub]4[/sub], is soluble in sundry organic solvents. On rapid heating in dark, it ... |
18-1-2016 at 11:22
by: chornedsnorkack |
Making nitrosulfuric acid
[rquote=426444&tid=64236&author=woelen]
Adding water to conc. HNO3 (max. 70%) or conc. HCl ... |
8-11-2015 at 08:25
by: chornedsnorkack |
Chemical combinations to avoid
Starting...
[quote]
Acids (Strong) Bases (Strong)[/quote]
Fine, worried about heat of neutralizat ... |
22-10-2015 at 13:07
by: chornedsnorkack |
Chemical combinations to avoid
[rquote=423971&tid=64024&author=careysub] Every chemical storage guideline document is going ... |
21-10-2015 at 23:06
by: chornedsnorkack |
Drinkable hydrophobic liquid
How about lower "fats"?
The density of triacetin is 1,155. Triacetin does appreciably dissolve - to ... |
18-10-2015 at 10:07
by: chornedsnorkack |
Sulfur dioxide testing
[rquote=423428&tid=63954&author=woelen]A fairly safe test for SO2 is using paper soaked with ... |
18-10-2015 at 09:43
by: chornedsnorkack |
Does ferrous nitrate exist?
Tin(II)nitrate is described as "reasonably stable" in dilute aqueous solutions, but always decays on ... |
16-9-2015 at 12:58
by: chornedsnorkack |
Practical Techniques for Preparing Ampoules with Large Lanthanide Samples
[rquote=419019&tid=63571&author=Dan Vizine]There are many variables concerned in the word ha ... |
12-9-2015 at 02:13
by: chornedsnorkack |
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