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Messages 10253 - 10288 of 13931   Oldest  |  < Older  |  Newer >  |  Newest
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10253
My confusion deepens, I am assuming that by adding HNO3/H2SO4 to C6H5-CH(CH3)2, I will get NO2-C6H5-CH(CH3)2. But can anyone tell me why the NO2 group ends up...
SLAYNE973@...
slayne973
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Jul 1, 2006
3:14 pm
10254
First of all, I'm sure that a small amount of o-nitrocumene does indeed result. The large size of the isopropyl group means that most of the attacking...
Steve
steve_geo1
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Jul 1, 2006
7:02 pm
10255
John, Read post #10219 its a follow-up to my post you quoted me from. In it, I attempt to explain what a website referenced earlier in the threads means by a...
chemtutor101
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Jul 2, 2006
3:21 am
10256
In thechemistrycluster@yahoogroups.com <mailto:thechemistrycluster@yahoogroups.com> , "spylogic3" <spylogic3@...> wrote: I heard that chlorine dioxide has a...
ze_leetle_lazee_lady_...
ze_leetle_la...
Offline
Jul 2, 2006
2:49 pm
10257
In a message dated 01/07/2006 20:03:11 GMT Daylight Time, steve_geo1@... writes: The large size of the isopropyl group means that most of the attacking...
SLAYNE973@...
slayne973
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Jul 2, 2006
6:06 pm
10258
Hi, Does anyone have any idea as to how soluble n-hexanol is in hexane? Lance...
Lance Corey
ld_corey
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Jul 3, 2006
12:30 am
10259
They would be completely miscible in all proportions, at all temperatures in which both compounds and the mixture are liquid. This is certainly to be expected...
JohnWW
johnwwxtraconz
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Jul 3, 2006
6:06 am
10260
ajjkjoseph <yama_chem@...> wrote: i am arnel ku, a chemistry student in the University of the Philippines, currently doing my thesis on enzyme...
Dante Orbe
scie_reactio...
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Jul 3, 2006
10:03 am
10262
I hope we can disscus the subject here ..a bit. ...seems more like biological chemistry.. ...so let's get our thinking caps on.. john In...
gladesiderd
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Jul 4, 2006
2:11 pm
10264
I should be able to explain this mysel, but I guess I'm just missing something. The structures of oxides of typical elements often show differences as a ...
SLAYNE973@...
slayne973
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Jul 4, 2006
6:20 pm
10265
The gaseous state of SO2 results from its being a small molecule. The solid states of SeO2 and PoO2 result from their covalent macromolecular and crystalline...
Steve
steve_geo1
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Jul 4, 2006
8:30 pm
10266
Steve <steve_geo1@...> wrote: The gaseous state of SO2 results from its being a small molecule. The solid states of SeO2 and PoO2 result from...
mostafa _mancy
mostafa_mancy46
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Jul 4, 2006
10:14 pm
10267
SLAYNE973@... wrote: I should be able to explain this mysel, but I guess I'm just missing something. The structures of oxides of typical elements...
mostafa _mancy
mostafa_mancy46
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Jul 4, 2006
10:22 pm
10268
gladesiderd <zocor@...> wrote: I hope we can disscus the subject here ..a bit. ...seems more like biological chemistry.. ...so let's get...
mostafa _mancy
mostafa_mancy46
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Jul 4, 2006
10:28 pm
10269
mostafa _mancy <mostafa_mancy46@...> wrote: gladesiderd <zocor@...> wrote: I hope we can disscus the subject here ..a bit. ...seems more like...
mostafa _mancy
mostafa_mancy46
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Jul 4, 2006
10:35 pm
10270
Hi everyone, just wondering as to which our world needs more, is it "BETTER LIVING THROUGH BETTER SYNTHESIS" or the world is in more need of "BETTER AND ...
genius_work55
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Jul 6, 2006
5:26 am
10271
You could also consider physical organic chemistry. You use a lot of analytical skills as well as organic synthesis skills in an effort to solve problems,...
frosty_the_hitman
frosty_the_h...
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Jul 6, 2006
11:04 am
10272
Genious_work55, I'm an analytical chemist. I analyze soil, water and air samples using instrumentation to characterize what's in the samples. For example I...
Mike Fort
lifechange34
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Jul 6, 2006
2:00 pm
10273
I am currently carrying a research work(project)on isolation of n- hydrocarbons from latex producing plants,pls if anyone have a bright idea about the suitable...
rufachem
Offline
Jul 7, 2006
12:41 am
10274
how about trying either distillation or liquid-liquid extraction ?...
jezziezz
Offline
Jul 7, 2006
1:52 am
10275
hi! I agree with frosty... on the physical organic chemistry. For my postgraduate, I did some organic synthesis and having done the synthesis, used a lot of...
jezziezz
Offline
Jul 7, 2006
2:17 am
10276
Hello all! I am very excited to be a member of this group! I would like to take a minute and introduce myself, I am Pat Roberts, I am currently majoring in...
pkroberts30@...
stlbigone1973
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Jul 7, 2006
10:00 pm
10278
The most basic pieces of equipment in a chemical process are tanks, pumps, and heat exchangers for heating and cooling. How much heat must be transferred to...
brianejensen
brianedwardj...
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Jul 8, 2006
4:01 pm
10280
Dear Friends: Please do not click on the URL given in message 10279, "ebook for download." If you follow the link to the end, as I did, you will find that it...
Steve
steve_geo1
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Jul 8, 2006
11:03 pm
10281
Looks like an interesting group. Hope to be able to contribute & receive. DDD [Non-text portions of this message have been removed]...
David Deal
sciinfoexchange
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Jul 9, 2006
4:27 am
10283
rite about chimstry...
ashraf_aaaooo
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Jul 9, 2006
3:28 pm
10284
Eric, There are many industrial applications of physical chemistry ideas and tools. Here are a few more leads. (1) Look in Perry's "Handbook of Chemical...
Nathan Haese
nathanhaese
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Jul 9, 2006
3:31 pm
10285
hi i am ali ghotbi and life in iran .i m stady chemestry i like stady make it. u can stady make it.plz tanks ali ghotbi ali_ghotbi2005@... good luck ali...
ali ghotbi
ali_ghotbi2005
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Jul 10, 2006
7:38 pm
10287
Does anyone have any idea for dissolving metallic ruthenium? nazi...
nazaninsali
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Jul 12, 2006
12:53 pm
10288
Metals are very often soluble in the molten form of other metals, but not always. An example gold and copper. If you try to dissolve this alloy in molten...
brianejensen
brianedwardj...
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Jul 12, 2006
1:28 pm
Messages 10253 - 10288 of 13931   Oldest  |  < Older  |  Newer >  |  Newest
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