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Messages 13743 - 13775 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
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13743
Hi John, You could mine oil, coal, natural gas, solar, wave and wind power, plutonium, but not Hydrogen. H2 is an energy carrier not a source, so you need an...
Bruno M.
b_r_u_n_o_1
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May 1, 2009
3:57 pm
13744
can't mine Plutonium.... not a naturally occurring isotope Hydrogen is collected from natural gas deposits. Stan From: thechemistrycluster@yahoogroups.com ...
Stanley Latesky
sllatesky
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May 1, 2009
4:15 pm
13745
John, You are right that hydrogen would be an ideal fuel from the CO2-emissions point of view, since it produces zero CO2. But Swaddle's question was focusing...
cl417
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May 1, 2009
8:27 pm
13746
Why Pb does not have an oxidation number of -4; according to its electronic configuration it looks like it should. Thansk...
Antonio
galopus
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May 2, 2009
12:23 am
13747
It can have, in alloys which contain intermetallic compounds, e.g. Na4Pb. John W. ... From: Antonio <galopus@...> Subject: [The Chemistry Cluster]...
John W
johnwwxtraconz
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May 2, 2009
12:36 am
13748
Thanks ________________________________ From: John W <JohnWW@...> To: thechemistrycluster@yahoogroups.com Sent: Friday, May 1, 2009 7:35:57 PM Subject:...
galopus galopus
galopus
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May 2, 2009
12:54 am
13749
Yeah i know about the plutonium, uranium would have been more correct. But the bulk of industrial Hydrogen is not 'collected' from natural gas deposits, it is...
Bruno M.
b_r_u_n_o_1
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May 2, 2009
1:31 am
13750
Extended draft paper submission: BCBGC-09 call for papers   This Extended Call for Papers for the 2009 International Conference on Bioinformatics,...
John Edward
jeedward
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May 2, 2009
12:31 pm
13751
....in the Earth's crust after oil/gas extraction? ..some-one suggested pumping waste carbon dioxide in to the holes in the Earth.......worth a thought....john...
zocor@...
zocor...
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May 2, 2009
2:35 pm
13752
hi please send me experiment chemical phizis...
afshin
afshin_sar48
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May 3, 2009
11:04 am
13753
hi, I wanna do an experiment to prove the conductivity of several compounds in different phases, solid, molten, and liquid. Is it possible to do it in one...
mutim cute
myu_netter
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May 3, 2009
11:39 pm
13754
I presume yu want a booked called "Experimental Chemical Physics". However, I could not find any with that title on Google, although gigapedia.org may have...
John W
johnwwxtraconz
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May 4, 2009
2:42 am
13756
Hi all chemists I need some information about how can we determine and analysis Phosphorus ( P ) in Steel by photometric Method ((please send me someting the...
omid
carbon_od12
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May 4, 2009
9:32 am
13757
... hi do U mean chemical physics? what do U want?...
parisarazie
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May 4, 2009
11:47 am
13758
Look up the phrase "Photometric Determination of Phosphorus in Steel" , complete with double quotation-marks, on Google. That should bring up some papers on...
John W
johnwwxtraconz
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May 4, 2009
9:24 pm
13759
Hey was wanting to check my work could anyone work out this problem to see if you come of with my same answer? This is a Gas law problem. Two liters of N2 @...
k_thorpe01
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May 5, 2009
12:29 am
13760
OK ________________________________ From: k_thorpe01 <k_thorpe01@...> To: thechemistrycluster@yahoogroups.com Sent: Monday, May 4, 2009 7:28:56 PM ...
galopus galopus
galopus
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May 5, 2009
1:22 am
13761
Hi all chemists I need some information about how can we determine and analysis H+ in presence of Al3+ by Potentiometric Method ((please send me someting the...
samsamsaltane
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May 5, 2009
8:07 am
13762
Hi,    Do you any one of you have a book on principle and application of scanning transmission electron microscopy?  Please ASAP. Eka ... From: John W...
sambandan ekambaram
s_69ekambaram
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May 10, 2009
3:18 am
13763
You should Google for the phrase "scanning transmission electron microscopy" (STEM) with quotation marks, and adding these search terms to it: PDF OR DJVU OR...
John W
johnwwxtraconz
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May 10, 2009
11:50 am
13765
Thanks john for your info. Regards, Eka ... From: John W <JohnWW@...> Subject: Re: [The Chemistry Cluster] Photometric Determination of Phosphorus in...
sambandan ekambaram
s_69ekambaram
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May 12, 2009
9:38 am
13766
Is sodium hydroxide highly acidic or a highly unbalanced alkaline when added to water? You should Google for the phrase "scanning transmission electron...
Kelly-Rabiahtu Steven...
keeshiay
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May 12, 2009
12:13 pm
13767
I want to determine the specific gravity of small mineral specimens. Most of them are between 20 grams and 50 grams. I have a small digital scale that reads up...
cl417
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May 13, 2009
12:01 am
13768
I had a problem with the mearsurment of plastics' SG.. ..lots of air bubbles attached themselves to the surface ..thus lowering the SG ...of the object. I...
zocor@...
zocor...
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May 14, 2009
2:52 pm
13769
Thanks Zocor, I will keep an eye out for bubbles and will give your detergent idea a try. One kind of stone that would be especially tricky is pumice. It's...
cl417
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May 14, 2009
11:30 pm
13770
How many sodium atoms laid side by side would you need to make a chain 50.0 cm long. (Using the empirical measue of 180pm; assume three sig digits.) How long...
blaker12@...
blaker12...
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May 16, 2009
2:42 pm
13771
How many sodium atoms laid side by side would you need to make a chain 50.0 cm long? (Using the empirical measure of 180pm; assume three sig. digits.) How long...
BRIAN JENSEN
brianedwardj...
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May 17, 2009
5:07 am
13772
Brian, you did the calculations the hard way. Since we are given the size (radius: see http://www.webelements.com/sodium/atom_sizes.html) of the sodium atom at...
Lance Corey
ld_corey
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May 17, 2009
3:19 pm
13773
Lance, I have seen many of your posts and think you are intelligent and probably know a lot more about chemistry than I do. . First of all, I don't usually...
BRIAN JENSEN
brianedwardj...
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May 17, 2009
7:49 pm
13775
I  need to do a reaction with dry pyridine please help me abut drying it an approach?  [Non-text portions of this message have been removed]...
Amin Kheradmand
kheradmandamin
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May 24, 2009
11:29 am
Messages 13743 - 13775 of 13930   Oldest  |  < Older  |  Newer >  |  Newest
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