Chemistry - September 2006

or why do things reflect light - has it something to do with the atomic structure of their molecules or becoz of their surface or the package of their molecules ---- what ACTULLY HAPPENS?

2006-09-08 02:41:10 · 4 answers · asked by 2009 2

2006-09-08 02:35:57 · 2 answers · asked by voraciousant 2

2006-09-08 02:09:36 · 16 answers · asked by tsarett 1

I have this cashew seeds. How will I make them as remover of warts/mole?

2006-09-08 02:02:35 · 7 answers · asked by -my humps- 1

the question is about the chemistry of transition metal complexes

2006-09-08 01:49:10 · 5 answers · asked by khursheed 1

2006-09-08 01:08:44 · 18 answers · asked by angel 2

related to carboxylic acids. give reaction and mechanism.

2006-09-08 00:14:12 · 7 answers · asked by rishi 1

I need to know the structure.

2006-09-07 23:12:39 · 7 answers · asked by John 1

2006-09-07 23:06:59 · 8 answers · asked by Anonymous

You have two cartons of milk (the same size carton). One is nearly empty, the other is only half full. They both have exactly the same use-by date and are being kept in exactly the same conditions. The milk in which carton goes off first ...?

2006-09-07 21:26:34 · 10 answers · asked by kpbunches 3

2006-09-07 21:16:45 · 4 answers · asked by agustin p 1

i saw about this topic on t.v,..i was amazed because woods can prevent from rapid burning and how is that happen?what did they do to keep that wood from not being burn?

2006-09-07 20:51:12 · 7 answers · asked by agustin p 1

When gasoline is burned, how does the mass of the reactants (B4 burnin) compare to the mass of the products (AfterBurning)?????

2006-09-07 19:56:33 · 3 answers · asked by Lightning 1

plz give refrences

2006-09-07 19:30:53 · 3 answers · asked by viper 2

Help ><

2006-09-07 17:14:15 · 3 answers · asked by Manson W 1

plz incule details i really want to learn how. me and my friend are planing to preform it (once we have everything) and we have to have everything. inthe answer plz inculde wat u need to do for it to work. thx a ton!

2006-09-07 16:35:06 · 4 answers · asked by spy_master49 2

I need a substance which can retain heat for long periods of time.
Will liquid sodium be enough. If so where do we get it?

2006-09-07 15:44:24 · 6 answers · asked by Neo 1

I am given the density of water at 1.00g/ml and ethanol at 0.789g/ml. How do I combine these to get the overall density of the solution when they are mixed together?

2006-09-07 15:38:52 · 2 answers · asked by voraciousant 2

i just find it hard to belive that sugar(solid) and yeast(solid) mixed in water(liquid) will produce carbon dioxide(gas) and alcohol(liquid).....
just seems like something else should be left in the equation? i'm not a chemist... just seems it cant be that easy... is it?

2006-09-07 15:19:50 · 3 answers · asked by ccollins00 2

please explain with detail!!

2006-09-07 15:08:31 · 5 answers · asked by Anonymous

2006-09-07 14:49:19 · 5 answers · asked by josh d 1

A single atom of neon has a mass of about 3.35*10^-23g. if 1 mol=6.02*10^23 atoms, what is the mass of 3 mols worth of neon atoms?

2006-09-07 14:38:14 · 6 answers · asked by Anonymous

2006-09-07 14:29:08 · 2 answers · asked by ccccccccdddddgggggrrrrwwwsszcvbn 1

I have tried multiple approaches on this problem and I cannot get the correct answer, maybe someone can explain it to me.
Question:
What is the density of a substance in pennyweights per peck that has a volume of 0.334 hogsheads and a mass of 54.9kg.
1 pennyweight= 1.55 grams
1 hogshead= 238.5 liters
1 peck= 9.091 liters.
What is the answer in pw/pk? thanks

2006-09-07 14:11:17 · 1 answers · asked by foxtrot 3

refer to silk, wool, synthetic fabric and leather thanks so much...

2006-09-07 13:55:17 · 2 answers · asked by Anonymous

1) explain and describe the scientific method

2)why do we use the scientific method?

thank you so much.....

2006-09-07 13:46:50 · 2 answers · asked by humanitarian 2

i'm an 11th grader and i need ideas-good ideas for a chemistry related project!! ANY ideas would be good, but great ones would be better!!

2006-09-07 13:33:50 · 4 answers · asked by musical_genius 3

What is a good use for elements such as Li, K, Na, Sr, Ba, Ca, & Cu nitrates because of the colors they give off when burned?

2006-09-07 13:11:09 · 3 answers · asked by Anonymous

2006-09-07 13:07:25 · 6 answers · asked by Anonymous

while the entire nation of China produces only about 400 billion _______. fill in the blanks

hint...it's about energy:
The United States produces and consumes more electric energy than any other nation.

2006-09-07 12:54:56 · 8 answers · asked by 2Quinn 2