Science & Mathematics - 13 August 2006

2006-08-13 01:23:44 · 15 answers · asked by noazark40 1 in Astronomy & Space

2006-08-13 01:22:31 · 13 answers · asked by liz.. future m.d. 1 in Medicine

I have to chose between those 2 options- which is more appropiate?

2006-08-13 01:19:21 · 7 answers · asked by Anonymous in Biology

when Einstein said that mass can be converted into energy!! as a chemist i believe this must be wrong. because any material has its atoms connected together into molecules through bonds, these bonds to be broken need energy, so the atoms will be released with evolution of energy as heat, light or radiation.

2006-08-13 01:10:29 · 14 answers · asked by omar_panzer_9 1 in Physics

2006-08-13 01:05:52 · 14 answers · asked by bestofintent 2 in Earth Sciences & Geology

I also need to know how UV light acts on CFC's to form chlorine radicals

2006-08-13 01:04:18 · 20 answers · asked by Anonymous in Chemistry

2006-08-13 01:03:36 · 3 answers · asked by nixson 1 in Physics

2006-08-13 01:01:25 · 15 answers · asked by Anonymous in Astronomy & Space

N-BUTYL AMINE is:
CH3-CH2-CH-CH3-NH2
Here,why "N" is used?
sometimes we write "(N,N)" example-( 2-(N,N-dimethyl amino)butane)in chemical names.
In writng names of organic compound,why and where N and N,N is used.please explain me.

2006-08-13 00:49:07 · 5 answers · asked by star123 2 in Chemistry

Any help much appreciated, first clear answer gets 10 points!

Thanks!

2006-08-13 00:41:55 · 13 answers · asked by HappyPerson 2 in Mathematics

What is the main chemical component of white sugar (refined sugar) and what percentage of white sugar (refined sugar) is this component?

2006-08-13 00:39:37 · 6 answers · asked by abcdefg 2 in Chemistry

Any hints on this one?

I'm starting in a way that seems awkward and roundabout. Let R be a ring. If R is a field, then <0> is a maximal ideal of R; otherwise R contains at least one nonzero element that is not a unit, say x.

Then if R has a unity element, is a proper ideal of R.

Hints on where to go next or how to start over? I know there are lots of theorems on maximal ideals, but I'm (for now) trying to do this by brute force.

2006-08-13 00:35:07 · 4 answers · asked by Anonymous in Mathematics

A stones is thrown from the top of a building 80 m high. (a)Find its velocity after 3 sec. (b)How far is it from the ground at this time?

2006-08-13 00:32:20 · 2 answers · asked by Rashelle Anne V 1 in Physics

is there proof of it

2006-08-13 00:28:56 · 23 answers · asked by Anonymous in Physics

answers that 6yr olds can understand

2006-08-13 00:28:18 · 7 answers · asked by maddad 1 in Physics

2006-08-13 00:23:29 · 4 answers · asked by ABDULLAHI B 1 in Geography

They are some kind of long haired babuins,living in the African Highlands-somewhere.But where?

2006-08-13 00:22:03 · 3 answers · asked by Anonymous in Zoology

2006-08-13 00:19:11 · 6 answers · asked by Anonymous in Physics

İs every matter (thing) single or together inner matter (thing) .?

2006-08-13 00:17:17 · 4 answers · asked by tezcan 1 in Physics

2006-08-13 00:13:37 · 14 answers · asked by PAUL W 2 in Other - Science

I have never understood this. Personally, I couldn't care less about creatures that existed that long ago. On the other hand, I don't have a problem with people who are interested in them and wish to study them, but why must we go so far as to make movies about them and glorify them the way do? It's absurd and ridiculous!

2006-08-13 00:12:49 · 20 answers · asked by Anonymous in Zoology