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Identifying an unknown
It doesnt seem to be a carbonate. If im not mistaken, treating with HCl should tell you if you have ... |
2-6-2013 at 18:03
by: amazingchemistry |
Identifying an unknown
Potassium and sodium should be ruled out at the end of the decision tree, as nearly all sodium compo ... |
2-6-2013 at 10:29
by: amazingchemistry |
acceptance of jokes
I understand why you'd want to prank cooks and kewls using your knowledge of chemistry. However effe ... |
1-6-2013 at 21:25
by: amazingchemistry |
Amazon experiences
thanks to the urging of chemcam + a couple of hours of going through google searches and arcived dis ... |
1-6-2013 at 10:45
by: amazingchemistry |
Amazon experiences
True, but you pay partly for convenience and purity (mostly the convenience of not having to make th ... |
31-5-2013 at 19:58
by: amazingchemistry |
Amazon experiences
I just wanted to ask (because for some reason it did not occur to me before) what your experience, i ... |
31-5-2013 at 19:48
by: amazingchemistry |
Stump remover (KNO3) purification...
My first thought was that simple recrystallization wouldn't work because being an ionic solid, KNO3 ... |
31-5-2013 at 19:26
by: amazingchemistry |
Stump remover (KNO3) purification...
I'd say you're doing good by filtering it before recrystallizing it. If you know there is SIO2 in th ... |
31-5-2013 at 17:58
by: amazingchemistry |
Stupid Mistake - A Warning to All
My two cents with respect to safety:
First of all READ THE MSDS. All chemicals (even drain cleaners ... |
27-5-2013 at 20:21
by: amazingchemistry |
Rate of Addition Effect?
In determining the peroxide content of percarbonate-based bleaching powder through titration with so ... |
27-5-2013 at 20:07
by: amazingchemistry |
Amount of X-rays to induce useful mutations in seeds
Instead of trying it out with radiation (previous posters have already pointed out the difficulties ... |
27-5-2013 at 19:38
by: amazingchemistry |
Identifying an unknown
Normally, when identifying an unknown we look for specificity. In this case though, your best bet is ... |
24-5-2013 at 19:57
by: amazingchemistry |
Your favorite chemistry quotes
I'm surprise no one has quoted these before:
Lowe's Laws of the Lab
"A good undergraduate wil ... |
23-5-2013 at 18:47
by: amazingchemistry |
Calcium Hydroxide and Hydrochloric Acid Reaction
When estimating exothermicity, would it be as simple as looking up the enthalpy values of the reagen ... |
23-5-2013 at 18:25
by: amazingchemistry |
Identifying an unknown
Well, what does it look like, feel like or even smell like? that shouldn't take more that 20 seconds ... |
23-5-2013 at 18:18
by: amazingchemistry |
Homoanisic acid - Ideas?
I thought ozonolysis was hard enough to perform in a research lab (the ozonide being energetic and u ... |
22-5-2013 at 21:25
by: amazingchemistry |
salting out
Does anyone have access to butyl alcohol and its isomers? It'd be interesting to see a comparison of ... |
21-5-2013 at 17:19
by: amazingchemistry |
Embarrassed to ask science teacher about doing experiments in science lab
Unfortunately, your teacher's answer will probably be a resounding no. Not because you are Persian o ... |
19-5-2013 at 13:36
by: amazingchemistry |
salting out
Why is it that only only some salts work with some solutions and others don't? In another thread, it ... |
19-5-2013 at 12:09
by: amazingchemistry |
Why does aluminum chloride turn yellow?
Am I correct in assuming that AlCl3 is a very strong Lewis acid because of both the chlorine electro ... |
19-5-2013 at 09:14
by: amazingchemistry |
Stupid idiots make meth labs and ruin it for us
We have to recognize that the dislike of cops (or authority in general) evident in threads like this ... |
19-5-2013 at 09:07
by: amazingchemistry |
Why does aluminum chloride turn yellow?
That's what I thought. Could you generate chlorine gas (say, by reacting bleach with acid) and then ... |
17-5-2013 at 21:05
by: amazingchemistry |
Why does aluminum chloride turn yellow?
Perhaps that's why the reference recommended acidifying with dry ice. (step 3). After acidifying, yo ... |
17-5-2013 at 20:38
by: amazingchemistry |
Soluble Pink Iron Solution
Besides Aluminum sulfate, would saturated sodium chloride solution work (at least a bit) at coagulat ... |
17-5-2013 at 19:21
by: amazingchemistry |
Why does aluminum chloride turn yellow?
Could you purify the aluminum foil and then turn it into aluminum chloride? Here's how I was thinkin ... |
17-5-2013 at 19:14
by: amazingchemistry |
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