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Redox reaction with Sulfuric acid and hydrogen iodide
Sulfuric acid is the oxidizing agent, and hydriodic acid is the reducing agent.
Sulfuric acid has s ... |
28-8-2012 at 12:50
by: barley81 |
Powdered Graphite from pencils
Nice! You probably knew this already, but a good cheap etchant can be made by mixing muriatic acid f ... |
24-8-2012 at 15:09
by: barley81 |
Powdered Graphite from pencils
Graphite powder is not that expensive, if you need a lot of it:
http://www.ebay.com/itm/1-pound-Gra ... |
21-8-2012 at 18:48
by: barley81 |
Mercury from Vacuum Tubes
You mean cathode ray tubes? Or are they thermionic valves that are supposed to be used in television ... |
19-8-2012 at 18:07
by: barley81 |
Sulfuric Acid Synthesis
The hydrogen peroxide, which is about 0.9M, reacts with SO2 and an 0.9M solution of sulfuric acid is ... |
18-8-2012 at 15:22
by: barley81 |
Hydroxylamine --> sulfamic A .Reversible?
Hydrolysis of sulfamic acid will give you ammonium bisulfate. Hydroxylamine can be made by reacting ... |
18-8-2012 at 07:27
by: barley81 |
What about; two single molecule reaction?
Blogfast, enthalpy of solution and entropy of solution do not have to be positive! Calcium chloride ... |
7-8-2012 at 09:42
by: barley81 |
Latest chemical order?
It weighs them down. Typically the tungsten powder is attached using paraffin wax containing a small ... |
4-8-2012 at 11:50
by: barley81 |
Latest chemical order?
@Hexavalent,
The tungsten is from eBay. 200g cost me $20 shipped. You should be able to buy it (the ... |
4-8-2012 at 11:34
by: barley81 |
Latest chemical order?
454g CaO
454g FeCl<sub>3</sub> anhydrous
200g W powder
454g Ca(OH)<sub>2</su ... |
3-8-2012 at 22:16
by: barley81 |
isopropyl chloride
You should take into account that the enolate of acetone may form, as well as reduction products. Th ... |
3-8-2012 at 08:51
by: barley81 |
Isolation of Schweizer's Reagent
I can think of two ways:
1. Heating of concentrated ammonia solution. Heat the stock solution in ... |
2-8-2012 at 07:48
by: barley81 |
Isolation of Schweizer's Reagent
In Brauer's amazing inorganic compilation of preparations, this is accomplished by evaporating the s ... |
1-8-2012 at 12:51
by: barley81 |
Exotic Oxidizers
Can potassium dinitramide be used as an oxidizer? I don't think it would be very good.
How about ... |
18-7-2012 at 15:25
by: barley81 |
Help needed re: metals or compounds that glow
The mineral fluorite (CaF<sub>2</sub> is thermoluminescent and glows
when heated. It is ... |
18-7-2012 at 04:21
by: barley81 |
Solubility of anhydrous salts vs hydrates
The readings are at different temperatures! Though I don't think the solubility should change so sub ... |
17-7-2012 at 11:52
by: barley81 |
I need a challenge
Plante1999, try this:
http://www.chem.utoronto.ca/IChO.Ontario/en/general.html
It'll be really f ... |
17-7-2012 at 05:24
by: barley81 |
Molar Entropy/Enthalpy Values of H2SO3
You should use the values for aqueous SO2 if you have that. Also check this out:
http://onlinelibra ... |
16-7-2012 at 04:13
by: barley81 |
test for metals? ID Europium etc
X-ray emission spectroscopy (PIXE)? You don't need much sample in order to obtain a spectrum.
Wik ... |
15-7-2012 at 17:45
by: barley81 |
Decarboxylations
In the case of salicylic acid decarboxylation, the calcium hydroxide is used as a catalyst. It proba ... |
15-7-2012 at 17:41
by: barley81 |
Decarboxylations
The procedure for production of phenol from salicylic acid is on the Hyperlab forum. When you transl ... |
15-7-2012 at 06:14
by: barley81 |
Cadmium extraction from paint
It is true. Cadmium red is an artist's pigment. It is a mixture of cadmium sulfide and selenide:
ht ... |
13-7-2012 at 09:50
by: barley81 |
Anhydrous or hydrated?
Carefully add a small amount to water (outside). The reaction will be violent if it is anhydrous. It ... |
11-7-2012 at 13:05
by: barley81 |
Potassium tris(oxalato)ferrate(III) trihydrate
If you didn't use potassium oxalate, what source of potassium did you use? KOH? |
11-7-2012 at 06:02
by: barley81 |
Ways to mix toluene and sulfuric acid
This thread is useful:
http://www.sciencemadness.org/talk/viewthread.php?tid=15522 |
10-7-2012 at 15:04
by: barley81 |
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