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Messages 660 - 689 of 1533   Oldest  |  < Older  |  Newer >  |  Newest
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660
Probably a "stupid" question, but I need to know what the pH value is for a 1M solution of NaCl. Can anyone help me?...
beths1question
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Mar 2, 2001
2:04 pm
661
What is the machanical advantage of a manual can opener? What does it do, according to the law of machines? I am in need of can opener information resources....
abisconti3
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Mar 4, 2001
2:36 pm
662
Derive f(x)=sinh(sinh(3y)) I know this looks pretty simply but I just don't know if I'm getting the correct answer.<br><br>Any help would be very much ...
Dark_ness_25
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Mar 6, 2001
2:33 am
663
The math question I just posted is regarding hyperbolic functions and not ordinary trig functions...
Dark_ness_25
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Mar 6, 2001
3:09 am
664
Hi Beth-<br>Did your question get answered yet? If not, let me know....
lecturn_2000
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Mar 6, 2001
4:46 am
665
I suppose you've picked a topic by now (I just saw your message today). What is it and how's it going?<br>(Science teacher who requires projects)...
lecturn_2000
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Mar 8, 2001
12:20 am
666
Hi Kat- <br>Your questions are really pretty straight-forward (doesn't mean they're easy for the first time, however). I just saw your message today-obviously...
lecturn_2000
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Mar 8, 2001
12:26 am
667
Any aqueous solution of NaCl will have a pH of 7 regardless of molarity.Both NaOH and HCl are fully ionized in water.This is pretty elementary stuff....
Adi14_99
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Mar 8, 2001
7:22 am
668
Well, Einstein probably considered general relativity pretty elementary stuff, too. Not much encouragement in your reply!...
lecturn_2000
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Mar 8, 2001
10:57 pm
669
Einstein deduced the theory of relativity;it wasn't available in any book at that time.Whereas this sort of thing is explained in any high school chemistry...
Adi14_99
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Mar 9, 2001
5:09 am
670
O.K., and your point is...? The person who asked the question was aware that it probably was something she could(or perhaps,should)have understood. I interpret...
lecturn_2000
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Mar 9, 2001
7:18 pm
671
O.K., and your point is...? The person who asked the question was aware that it probably was something she could (or perhaps,should)have understood. I ...
lecturn_2000
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Mar 9, 2001
7:19 pm
672
I NEED help... I need to get 2 worksheets done by tonight like 9 pm in order to go to the MN state Drumline finals, so please help me.<br>I have a few...
t4y_t4m
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Mar 9, 2001
8:10 pm
673
O.K. Mainne-anything for a good cause!<br>(I'm going to answer this in "installments",O.K.? I had the whole thing written out for you and lost it when the ...
lecturn_2000
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Mar 9, 2001
11:48 pm
674
&gt;"Unique" properties of non-metals is a bit confusing, but I'd go with the electrical conductivity angle.You also could mention that in contrast to metals, ...
lecturn_2000
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Mar 9, 2001
11:53 pm
675
In a word:YES (A)...
lecturn_2000
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Mar 9, 2001
11:56 pm
676
&gt;"PERIODIC" when referring to the table simply means that the properties of the elements tend to repeat periodically as the atomic number increases. The ...
lecturn_2000
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Mar 10, 2001
12:05 am
677
Evaporation requires energy; the faster moving, more energetic molecules evaporate and thus cool your body by removing heat energy....
lecturn_2000
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Mar 10, 2001
12:07 am
678
&gt;Freezing and(or)melting is a matter of perspective. Are you changing from a solid to a liquid by adding energy (melting) or from a liquid to a solid by ...
lecturn_2000
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Mar 10, 2001
12:10 am
679
Alright now, no copying...use your own words!<br>P.S.<br>Sorry I mispelled your name....
lecturn_2000
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Mar 10, 2001
12:14 am
680
I have a few questions regarding rotational kinematics. If anyone can help me, I'd really appreciate it. Thanks ahead of time.<br><br>1) A meter stick is ...
goddessuvgloom
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Mar 10, 2001
3:50 am
681
Hello people...I almost have all me science done I just need to know the density of Oak.<br>If anyone knows please reply ASAP.<br>ME<br>T4Y_T4M@......
t4y_t4m
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Mar 10, 2001
4:29 am
682
Pray,do not show off your naivety with a blanket statement about how well you know me.That is irrelevant and useless and besides,I could care less what you...
Adi14_99
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Mar 10, 2001
11:07 am
683
i want help for making projects on science...
vikasrana123
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Mar 10, 2001
2:39 pm
684
i need some help for making projects on science<br>like list of good projects....
vikasrana123
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Mar 10, 2001
3:26 pm
685
Hi...<br><br>I can offer a few clues on how to get started. First, you are your own best source of ideas but you need to be able to recognize a potential ...
lecturn_2000
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Mar 11, 2001
3:29 am
686
Last question! Really? Then you get to go to the Marching whatever?<br>Well,usually on a question such as this I'd give you a reference source,but since your ...
lecturn_2000
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Mar 11, 2001
3:50 am
687
Hi there:) I know that there are resources that are club members who would love to help with science fair type projects. However, if you are posting regarding...
CoachK23
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Mar 14, 2001
12:22 am
688
Hi<br><br>I have been gone and busy for a while, but promise to be back more frequently. I want you to know about and visit a resource that was just launched....
CoachK23
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Mar 14, 2001
12:28 am
689
Hi Gloomy-Just kidding, but problems like these could make anybody gloomy!<br>I've been waiting for a "real" physicist to tackle these, but apparently no ...
lecturn_2000
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Mar 14, 2001
3:59 am
Messages 660 - 689 of 1533   Oldest  |  < Older  |  Newer >  |  Newest
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