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Messages 13787 - 13830 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
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13787
..do they work? ...j...
zocor@...
zocor...
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Jun 13, 2009
3:16 pm
13788
Question: Do weed killer sprays work? Answer: Yes, with enthusiasm, they will kill everything. If you aim at a particular weed, that is the effect you want. . ...
BRIAN JENSEN
brianedwardj...
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Jun 13, 2009
10:05 pm
13790
Hello My New Friends I am just saying Hello, I am not Spamming you , and if you feel that , I am sorry Friends Huh I love that m making friends , on the...
lostfortun
Offline
Jun 16, 2009
2:59 pm
13791
Hello My New Friends I am just saying Hello, I am not Spamming you , and if you feel that , I am sorry Friends ,Hmm ; I love that m making friends , on the...
lostfortun
Offline
Jun 18, 2009
4:23 pm
13797
Propane and butane?I know in the 1960's some camping trailers were outfited with butane tanks.WERE THEY BETTER THAN PROPANE? Regards,Harry....
Harry
inkymon53tn
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Jun 30, 2009
4:35 am
13799
Propane is the 3-carbon straight-chain hydrocarbon, CH3-CH2-CH3, which at room temperature is a gas unless held under moderate pressure. It is the main...
John W
johnwwxtraconz
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Jun 30, 2009
5:33 pm
13800
-- As Harry said: easier to liquify butane that is why we often used it as fuel and propelant. Tl liquify propnae we need to add more pressure or reduce...
Antonio
galopus
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Jul 1, 2009
8:19 pm
13801
DO YOU HAVE ANY IDEA (REASONS) WHY WATER APPEARS IN THE GASOLINE AT THE GAS STATIONS::: THANKS....
Antonio
galopus
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Jul 1, 2009
8:22 pm
13802
It would be due mostly to rain-water getting into the storage tanks, either the underground tanks at the gas station or the oil refinery above-ground storage...
John W
johnwwxtraconz
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Jul 1, 2009
10:21 pm
13803
Air contains a considerable amount of water. When the gasoline is pumped out of the tanks into people's cars, the volume of the tank is replaced with humid...
BRIAN JENSEN
brianedwardj...
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Jul 1, 2009
11:05 pm
13804
I m very please and glad for your interesting ans seicntifica answer. Thans k a lot. I never thought about the hunidity or the aire reopplacing the void space...
galopus galopus
galopus
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Jul 2, 2009
1:44 am
13805
I woul also like to know if the gasoline storage tank for cars has any venting system. I know it should have, but where is it located?. Tanks...
Antonio
galopus
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Jul 2, 2009
1:50 am
13806
The caps of the petrol tanks usually have a very small hole in them somewhere, often concealed, for the purpose. John W. ... From: Antonio <galopus@...> ...
John W
johnwwxtraconz
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Jul 2, 2009
2:01 am
13807
Thank you. Saludos ________________________________ From: John W <JohnWW@...> To: thechemistrycluster@yahoogroups.com Sent: Wednesday, July 1, 2009...
galopus galopus
galopus
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Jul 2, 2009
2:24 am
13808
Hi, The caps are pressure sensitive since the caps are check when the car has a smog check. There is a line that runs to the engine compartment from the gas...
Lance Corey
ld_corey
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Jul 2, 2009
4:34 pm
13809
AGAIN, THANSK.  SALUDOS ________________________________ From: Lance Corey <ld_corey@...> To: thechemistrycluster@yahoogroups.com Sent: Thursday, July...
galopus galopus
galopus
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Jul 2, 2009
6:52 pm
13811
..We have a vinyl floor in the kitchen..it gets very dirty..I think the the dirt dissolves into the vinyl.. ..making it hard to remove... ..any help....john...
zocor@...
zocor...
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Jul 5, 2009
3:03 pm
13812
My mother told me to always wipe spills immediately. I'd say to always have a towel on the floor (an old black one) and wipe up any wetness immediately. . It...
BRIAN JENSEN
brianedwardj...
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Jul 5, 2009
7:09 pm
13814
Hi to all my first equation, why use phosphoric acid or sulfuric acid in the TOC analyzer to determine the inorganic carbon and total carbon and then calculate...
awaad hussein
awaad_2000
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Jul 10, 2009
6:54 pm
13816
1 What is the coefficient of stability of an acid? 2 How can we determine the coefficient of stability of an acid? 3 Why HOCl is an oxidizing agent...
Antonio
galopus
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Jul 11, 2009
7:51 am
13817
Dear/s Pl. help.We are using high molecular weight poly saccharides composed of galactomannans consisting of a (1?4)-linked ?-D-mannopyranose backbone with...
[GUW] Nagarajan A.
chemnagarajan04
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Jul 11, 2009
10:04 am
13819
Why is is natural to expect acetone to exist mostly as 2-propanone rather than 2-propenol? When I look this matter up in organic texts, the authors take the...
Steve
steve_geo1
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Jul 13, 2009
5:12 pm
13820
That would be expected from keto-enol tautomerism of ketones, where it is energetically (and environmentally, particularly in aqueous solution due to the...
John W
johnwwxtraconz
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Jul 13, 2009
7:43 pm
13822
http://news.bbc.co.uk/1/hi/sci/tech/8153596.stm ..................what properties does it have? ..........john...
zocor@...
zocor...
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Jul 16, 2009
6:52 pm
13823
I woul like to know which are the material used to make the different filters for respirators otherwise than activated carbon. Saludos...
Antonio
galopus
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Jul 16, 2009
11:29 pm
13824
With the longest half life being about 11 minutes, after a day, you won't have it any more. (See http://www.webelements.com/copernicium/) Lance...
Lance Corey
ld_corey
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Jul 17, 2009
1:46 pm
13825
Element 112 would be chemically similar to mercury, but even more neuro-toxic, and with radioactive toxicity. But calling it "copernicium" would cause...
John W
johnwwxtraconz
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Jul 17, 2009
5:42 pm
13828
I woul like to get many experiments refering to using oraganic residues to obtain fuel or otherproducts (recycling) for example using egg shells to ogtain...
Antonio
galopus
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Jul 25, 2009
5:44 am
13829
Can beer .if left opened unrefrigerated start to turn into vineger? Regards,Harry....
Harry
inkymon53tn
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Jul 26, 2009
9:32 am
13830
There are so many factors involved, I'd recommend trying it. First you must have the right kind of bacteria. You need oxygen. Commercially, vinegar used to be...
BRIAN JENSEN
brianedwardj...
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Jul 26, 2009
6:44 pm
Messages 13787 - 13830 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
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