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Observation isn't science
I believe science is the "attempt something and/or find out why" part. And that's whe ... |
4-3-2005 at 16:32
by: Synopsis |
Scientific Method
Most accidental discoveries came from the scientific method. Take the penicillin case. After an incr ... |
2-3-2005 at 09:45
by: Synopsis |
Scientific Method
I think your idea of the so called "scientific method" has been misguided by your teachers ... |
1-3-2005 at 10:55
by: Synopsis |
Grignard Reagent 4-chlorophenylmagnesium bromide
In this paper : Nielsen, D. R.; McEwen, W. E. [i]J. Am. Chem. Soc.[/i] [b]1957[/b], [i]79[/i], 3081- ... |
9-2-2005 at 16:10
by: Synopsis |
Grignard Reagent 4-chlorophenylmagnesium bromide
Well, to my surprise I found a paper about cocaine analogs on a rhodium mirror that make use of the ... |
8-2-2005 at 22:46
by: Synopsis |
Methyl benzoate synthesis
Why distill the methanol? I don't get the point as this pushes the equilibrium in favor of the ... |
8-2-2005 at 18:47
by: Synopsis |
Bunsen fuel advice
I believe they use methane in the labs. Not because it's the best fuel or whatever, simply beca ... |
7-2-2005 at 19:09
by: Synopsis |
Methyl benzoate synthesis
In theory, yes the isolation you propose certainly would work. However, ugly emulsions might form if ... |
7-2-2005 at 19:02
by: Synopsis |
Best and worst smelling chemicals?
Sassafras oil smells great, wintergreen oil too is a good pick. Diethyl ether would my favorite solv ... |
4-2-2005 at 16:34
by: Synopsis |
Grignard Reagent 4-chlorophenylmagnesium bromide
Yeah, the older litterature is sometimes (often  ) misleading. Note that even in
THF it's stil ... |
2-2-2005 at 17:40
by: Synopsis |
God damn nitro-aldol
Dean-Stark in toluene with triethylamine, eh? The boiling point of triethylamine is 88°C, at the re ... |
1-2-2005 at 18:20
by: Synopsis |
All possible oxidants, reductants
You cannot *list* all possible oxidants or reductant. Any molecule you can imagine is at the same ti ... |
1-2-2005 at 18:06
by: Synopsis |
ozonolysis
This is partly true. Indeed, an ozonide first form which rearranges to a more stable ozonide. The ox ... |
1-2-2005 at 17:53
by: Synopsis |
Grignard Reagent 4-chlorophenylmagnesium bromide
It is indeed rather hard to *initiate* the reaction between an organic chloride and magnesium. Havin ... |
1-2-2005 at 17:38
by: Synopsis |
Diels Alder products...
Indian olympiads aren't very hard in 2005 so it seems, they give you the answer within the ques ... |
31-1-2005 at 19:05
by: Synopsis |
Acetone Experiments
I found two papers in the older litterature treating this subject :
Hofmann, A. [i]J. Am. Chem. S ... |
30-1-2005 at 14:49
by: Synopsis |
Acetone Experiments
You are condensing acetone via aldol reactions. At first the enol of acetone is formed (a step catal ... |
30-1-2005 at 11:20
by: Synopsis |
Grignard Reagent 4-chlorophenylmagnesium bromide
Replacing a phenolic alcohol to a bromide is not a trivial experiment. Furthermore, adding Mg to 4-b ... |
30-1-2005 at 10:21
by: Synopsis |
3 Birds with 1 stone
I don't get the point here... If you want concentrated aqueous HCl then buy it, it's cheap ... |
30-1-2005 at 10:14
by: Synopsis |
kclo3 a new procedure (it cant be right)
The MSDS probably took that information out of a buisness product sheet. Buisness oftens states that ... |
29-1-2005 at 21:19
by: Synopsis |
Nonflammable solvents
Calcium hypochlorite (solid bleach) is usually sold as a mixture of Ca(OCl)2, CaCl2, Ca(OH)2 as well ... |
29-1-2005 at 10:13
by: Synopsis |
naoh(s) + nacl(aq) = nacl(s) + naoh(aq)
The powder might not be crystalline. It indeed is an *ionic solid*, but not necessary a crystal. I n ... |
29-1-2005 at 10:00
by: Synopsis |
naoh(s) + nacl(aq) = nacl(s) + naoh(aq)
It might come out as an amorphous powder rather than as a crystal, and probably will. Actually, I do ... |
28-1-2005 at 23:02
by: Synopsis |
Organic substitutions
Just pointing out that TFAA stands for trifluoroacetic anhydride. TFA is the correct abbreviation fo ... |
28-1-2005 at 21:48
by: Synopsis |
Nonflammable solvents
The chlorinated solvents, for instance. Both dichloromethane and chloroform aren't flammable (t ... |
28-1-2005 at 21:44
by: Synopsis |
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