Chemistry - July 2006

a 0.5 mol of N2O2 in a 1liter beaker, decompose to NO2, process is first order with rate constant 4500/s at 25 degreesC.
How many molecules of N2O4 will remain after decomposing for 1.2 minutes?
show a sol'n plz, tnx

2006-07-24 06:01:06 · 2 answers · asked by Mark Curtis 2

There's a clip going around of a teacher combining liquids to make what looks like a giant marshmallow. Does anyone know how this is done and is it a marshmallow?

http://video.google.com/videoplay?docid=1775983120224943095

2006-07-24 05:32:36 · 6 answers · asked by boyhulga 2

structures and mechanism

2006-07-24 05:31:57 · 4 answers · asked by maribel r 1

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2006-07-24 04:44:25 · 3 answers · asked by McDonnell G 1

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This happened to me this morning and I was wondering why?

2006-07-24 04:31:54 · 7 answers · asked by toby10 1

2006-07-24 04:18:27 · 5 answers · asked by McDonnell G 1

I know the laws of energy conservation apply, but why can't you get over that electricity hump with gas/altenator

2006-07-24 03:54:12 · 3 answers · asked by dmccul2698 1

when combined they absorb heat. if there is how can we separate them.

2006-07-24 03:23:55 · 5 answers · asked by ToAgori 2

2006-07-24 03:20:48 · 5 answers · asked by Anonymous

the structure of the compound is a nitrobenzene ring that has NHCOCH=CHCOOH at it's para position

2006-07-24 02:56:51 · 3 answers · asked by Anonymous

2006-07-24 02:41:46 · 10 answers · asked by menen d 1

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2006-07-24 02:23:46 · 8 answers · asked by Jitendra P 1

2006-07-24 01:13:16 · 4 answers · asked by JOHN T 1

why is the atomic radius of oxygen more than nitrogen ????

2006-07-24 01:01:47 · 6 answers · asked by duncan james 1

2006-07-24 00:54:40 · 3 answers · asked by lingrong_1223 1

pretty weird question but i really need to know. please answer properly and help meee!

2006-07-24 00:31:35 · 5 answers · asked by Anonymous

describe please

2006-07-24 00:14:59 · 7 answers · asked by Anonymous

if you answer i'll give you 10 points...whoever is reading this

2006-07-24 00:00:40 · 4 answers · asked by Anonymous

2006-07-23 23:57:35 · 5 answers · asked by Anonymous

2006-07-23 23:54:08 · 11 answers · asked by swept away 1

2006-07-23 22:27:15 · 5 answers · asked by Die or answer 2

why mathemathics is a part of science? Especially Chemistry?

2006-07-23 21:57:47 · 14 answers · asked by kym_taz 1

2006-07-23 21:40:08 · 5 answers · asked by kowjordan 1

2006-07-23 21:23:44 · 4 answers · asked by Anonymous

2006-07-23 20:32:12 · 9 answers · asked by Deborah 1