Science & Mathematics - 30 June 2007

2007-06-30 14:10:01 · 5 answers · asked by Anonymous in Mathematics

White crystalline salt "P" --->warm aqueous sodium hydroxide ---> gas "Q" ---> moist red litmus ---> blue.
White crystalline salt "P" ---> aqueous salt ---> dilute nitric acid with aqueous silver nitrate ---> to produce white precipitate "R".

Name the substance "P", "Q" & "R".
Solve this question correct with detailed workings and earn points!!! :)

2007-06-30 14:08:16 · 1 answers · asked by Anonymous in Chemistry

I saw on the news about something two planets moving past eachother and tonight it can be seen in the sky, where can I see it and what time?

2007-06-30 14:08:13 · 5 answers · asked by Erasmo F 1 in Astronomy & Space

2007-06-30 14:07:37 · 6 answers · asked by samantha 1 in Biology

Please show your work.

2007-06-30 14:06:26 · 3 answers · asked by Anonymous in Mathematics

Ive heard it happens every couple of million years.

Is global warming apart of this pole shift?

2007-06-30 14:06:15 · 4 answers · asked by Antares 6 in Earth Sciences & Geology

who is against transplants? I have had two already one rejected, and the other is not very good because of infection. A friend told me that some religions were against it. As it was not Gods will anyone know if that is true.

2007-06-30 14:00:08 · 9 answers · asked by ? 5 in Medicine

is it true?

2007-06-30 13:58:09 · 10 answers · asked by sara_olson4ya 1 in Astronomy & Space

What are the chances of a meteor hitting Earth?

2007-06-30 13:54:34 · 9 answers · asked by Mutley 6 in Earth Sciences & Geology

Find the midpoint between the points (3, 0) and (-1, 4).

(2,2)

(1,2)

(1.5,1.5)

(1.5,-2.5)

2007-06-30 13:48:23 · 6 answers · asked by Anonymous in Mathematics

2007-06-30 13:47:09 · 2 answers · asked by Anonymous in Chemistry

My second question is: Moment of intertia seems to be in units of distance ^4. This being the case, it doesnt look like I can take a metric program and enter English units and expect it to work.

I have a program that works in mm and Newtons.

2007-06-30 13:42:48 · 5 answers · asked by Anonymous in Engineering

Eiffel Tower or Mount Everest?

2007-06-30 13:37:57 · 3 answers · asked by Anonymous in Earth Sciences & Geology

What is your area of focus (I'm mostly looking for Civil, construction, mechanical, etc. But I'd love to hear from anyone!)

And what skills and interests did you have in your pre professional life that lead you to choose this area of study/ employment? I'm debating possible career paths and was just wondering what you all were interested in before you became what you are, to see if we have similar interests.

Thanks in advance!

2007-06-30 13:27:12 · 9 answers · asked by joecool123_us 5 in Engineering

2007-06-30 13:27:09 · 9 answers · asked by teresa m 1 in Biology

Steady state or big bang?

2007-06-30 13:21:55 · 38 answers · asked by Anonymous in Astronomy & Space

why are town/village water towers so high above ground and where do sesame seeds come from? i know, two totally different catagories but i'm hoping someone knows the answer to both cause, believe it or not, i don't. thanks.

2007-06-30 13:07:49 · 7 answers · asked by racer 51 7 in Agriculture

Am I correct in thinking that angles will reach their maximum range at 45 degrees....therefore, when applying this concept to projectile motion problems, one should...

...take the original angle provided-for example 60 degrees-double it, and find the difference between 60 doubled (120) and 45 doubled (90); 120-90=30; therefore, the angle from which an alternative projectile can be shot to arrive at the same horizontal point is 30 degrees??

...This is how I understood someone's explanation to another physics problem that I asked (thanks to the person who took the time to answer!)...

...Anyway, I wanted to make sure I understood this concept correctly...does this apply to all angles from which projectiles are shot??

Thank you!!!

2007-06-30 13:05:35 · 5 answers · asked by Anonymous in Mathematics

2007-06-30 13:02:44 · 10 answers · asked by priya 1 in Medicine

can anyone tell me what i need to do to evaluate the integral of (4x-3)^9dx tell me exactly what ur doing please

2007-06-30 12:56:40 · 7 answers · asked by raleighzia 1 in Mathematics

wavelengths as in the visible colours of light in the sky.. (http://academic.kellogg.cc.mi.us/herbrandsonc/bio111/images/metabolism/metabo4.jpg)

help would be VERY much appreciated! THANKS in advance!

2007-06-30 12:55:52 · 4 answers · asked by Girl 2 in Weather

2007-06-30 12:46:51 · 6 answers · asked by Anonymous in Zoology

2007-06-30 12:40:04 · 5 answers · asked by Kelly 3 in Physics

2007-06-30 12:38:59 · 17 answers · asked by gmakacky 1 in Biology

http://i106.photobucket.com/albums/m245/la_zacatecana_/pic.jpg

2007-06-30 12:38:22 · 2 answers · asked by purrfect 3 in Earth Sciences & Geology

I have been a hunter for several years
http://www.myspace.com/untameablespirit

2007-06-30 12:19:12 · 7 answers · asked by daydreambeliever0000 4 in Paranormal Phenomena

i would not prefer to buy them off ebay, any ideas, like buying from a company or something, caps have to be udleast 400v, and i prefer electrolyc capacitors

2007-06-30 12:11:04 · 2 answers · asked by hak8or 3 in Engineering

Ok, on the videos of the men walking on the moon, you can see through their bodies and see the other side where the moon and the lander and such and such, are. Does anybody know why this phenomenon occurs?

2007-06-30 12:09:07 · 7 answers · asked by anton19542001 2 in Astronomy & Space

Going backacking in Inyo Nat'l Forest July 12th and trying to get the expected temperatures so I'll know how to pack. Closest I could get was Mammoth Lakes, which is a bit lower in elevation.

2007-06-30 11:59:56 · 2 answers · asked by James S 1 in Weather

a) metabolism and mass decrease
b) metabolism and mass increase
c) metabolism and mass remain constant
d) aging, relative to earth, would speed up
e) aging, relative to earth, would slow down

2007-06-30 11:38:42 · 12 answers · asked by soundrediscovery 2 in Physics