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Best and worst smelling chemicals?
I have no clue what causes ferrous sulfate to smell, but it's WONDERFUL... |
18-2-2014 at 12:49
by: Brain&Force |
AP Chemistry
I took AP chemistry in 11th grade. It was a breeze - I barely studied for the class and got a 5 on t ... |
17-2-2014 at 14:49
by: Brain&Force |
Sodium nitrate synthesis
I'm going to spitball here, but could it be either NO[sub]2[/sub] being formed or a contaminant in t ... |
16-2-2014 at 21:44
by: Brain&Force |
Envelope icons
Some threads I have posted in show the orange envelope icon as well. Actually I'm not subscribed to ... |
16-2-2014 at 21:09
by: Brain&Force |
What causes different properties of different acids?
Reducers give electrons, oxidizers receive them. But remember that oxidizers are reduced and reducer ... |
16-2-2014 at 14:02
by: Brain&Force |
Pretty Pictures (2)
Hegi, you must show us what the sodium ferrioxalate looks like under UV light!
Here's the spectru ... |
16-2-2014 at 12:55
by: Brain&Force |
What causes different properties of different acids?
Nitric acid acts as an oxidizer, especially in concentrated solution, partially due to the formation ... |
16-2-2014 at 12:36
by: Brain&Force |
Fume hood substitute
Depends on what you're doing - making iodine shouldn't be any trouble fumewise (but it will make a m ... |
16-2-2014 at 11:28
by: Brain&Force |
Envelope icons
It's not a subscription icon as far as I know - I get that for threads I'm not subscribed to. |
16-2-2014 at 11:19
by: Brain&Force |
Fume hood substitute
Do you have any particular reactions in mind? It might be a good idea to do certain experiments out ... |
16-2-2014 at 11:17
by: Brain&Force |
The Short Questions Thread (4)
https://www.youtube.com/watch?v=u4Ha1SJrazY
Just keep the solution acidic. |
16-2-2014 at 01:06
by: Brain&Force |
Let's play where's that post
The main problem with TFSE is that it treats search queries as fragments of words. I tried searching ... |
15-2-2014 at 16:22
by: Brain&Force |
The Short Questions Thread (4)
papaya, dissolve it in HCl first, then add an excess of nitric acid to the aluminum chloride. The ac ... |
15-2-2014 at 16:09
by: Brain&Force |
The Short Questions Thread (4)
I think he means conduction per millimeter squared of solution (and that would probably millimeter c ... |
14-2-2014 at 16:57
by: Brain&Force |
Thorium vs. Uranium mining
Thorium and uranium are not extremely radioactive. The main danger from those metals is heavy metal ... |
14-2-2014 at 16:53
by: Brain&Force |
Is potassium chloride useful for any experiments?
Making potassium chlorate is a great idea. But why not dissolve it in methanol and make some purple ... |
13-2-2014 at 13:14
by: Brain&Force |
Little things that surprised you in chemistry
How fast CuCl[sub]2[/sub] coordinates to ammonia and chloride, even when solid. The gamut of color c ... |
11-2-2014 at 18:50
by: Brain&Force |
Electrochemical series
For Ti there is Ti[sup]3+[/sup], but it is a highly reducing species. Ti[sup]4+[/sup] does exist, bu ... |
11-2-2014 at 18:48
by: Brain&Force |
General Discussion of Terbium Compounds
I was able to dry the terbium chloride, but somehow, more iron got into solution! I'm going to redis ... |
11-2-2014 at 18:42
by: Brain&Force |
Amalgamation using Mercuric Iodide (HgI2)
It's not very soluble in water (<100 ppm), so it probably would take a very long time. It's also ... |
11-2-2014 at 18:12
by: Brain&Force |
The trouble with neodymium...
My experience with terbium shows that simple rinsing is all that is needed to remove Fe. Fe appears ... |
7-2-2014 at 12:51
by: Brain&Force |
Best and worst smelling chemicals?
Ammonia smells great, it clears up my sinuses. Iodine also has a pleasant smell in low concentration ... |
7-2-2014 at 10:28
by: Brain&Force |
The trouble with neodymium...
I added an excess of nitric acid but it's still not dissolving! Any tips for making this dissolve fa ... |
7-2-2014 at 10:11
by: Brain&Force |
The trouble with neodymium...
Actually, I don't know either.  I was attempting to reduce the volume of the
solution, and for som ... |
6-2-2014 at 10:31
by: Brain&Force |
I want to hear your favorite chemistry demonstrations
Fluorescence of pyranine (found in highlighters)
Tollen's reagent
Bismuth diamagnetism
Coordinati ... |
6-2-2014 at 09:30
by: Brain&Force |
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