Chemistry - February 2007

Ok listen people
I got me a assignment to do so there is the question
Why 10 ionic pound do not exist in the form of molecules???

2007-02-22 01:03:23 · 1 answers · asked by Z@F@?y@B H@$$@n 1

2007-02-22 00:52:06 · 2 answers · asked by Alex T 1

I'm finally installing a water softener and am wondering if the resultant soft water can actually help dissolve the mineral deposits that have collected from the previous hard water situation.

2007-02-22 00:27:24 · 3 answers · asked by Anonymous

2007-02-22 00:19:05 · 2 answers · asked by aljon l 1

If you started with 42.8 g of sucrose, how many grams of ethanol could be obtained from the reaction below?

C12H22O11 + H2O --> 4 C2H5OH + 4 CO2 (g)

2007-02-22 00:06:40 · 1 answers · asked by Dan 2

2007-02-22 00:01:59 · 4 answers · asked by Anonymous

this question is a chemicals

2007-02-21 23:32:55 · 1 answers · asked by Anonymous

i want to know how to synthesis dye and any other information about it. if you know any site please tell me, it would be of good help...thanks

2007-02-21 23:25:00 · 1 answers · asked by tin 2

2007-02-21 23:19:44 · 3 answers · asked by murugesh108 2

2007-02-21 23:04:11 · 9 answers · asked by CP 1

What is Pumbers element? I cant seem to find it on the interent, maybe im not putting in the wrong words, but it just comes up with plumbing contractors..
Its part of my course work, and I cant find it anywhere! xxx

2007-02-21 23:02:10 · 8 answers · asked by biscuits 3

2007-02-21 22:54:07 · 5 answers · asked by sueet2b 4

calcium
gold
neon
sodium chloride
carbon dioxide
hydrogen
vinegar
chlorine
ice
alcohol

2007-02-21 22:17:39 · 6 answers · asked by Mary S 1

2007-02-21 22:02:08 · 1 answers · asked by FOON YUI Y 1

2007-02-21 22:00:32 · 1 answers · asked by FOON YUI Y 1

2007-02-21 21:49:50 · 3 answers · asked by jj 2

i make master in steel making , so i need this data . i searched in many books but i did not find it.
i am in bad need for this data as i do material and energy balance in electric arc furnace, iam an assistant in the dept. of metallurgy, faculty of engineering , cairo university,
thanks for regarding, sorry for wasting your time,
your friend:
mohsen

2007-02-21 21:42:16 · 4 answers · asked by Anonymous

2007-02-21 21:25:32 · 5 answers · asked by rahulchem 1

I know that calcium is usually in an oxide state (or in a salt compound), but what would happen theoretically? I would think it would give off H2 Gas and CaCl2 salt but I am not 100% sure. Please reply.

2007-02-21 21:11:35 · 3 answers · asked by Philip K 1

my average pH is 2.38 and the avg molarity is 0.07101... i'm supposed to find Ka using those... please help?

2007-02-21 21:09:51 · 4 answers · asked by Anonymous

A) 1
B) 0
C) 3
D) 2
E) 1

2007-02-21 20:46:14 · 1 answers · asked by Anonymous

2007-02-21 20:25:54 · 1 answers · asked by Chris B 1

Presumably they don't use butane or propane like in a lot of aerosol cans because they're highly flammable...

2007-02-21 19:42:06 · 4 answers · asked by Anonymous

Using household ingredients is it possible to make a homemade stink that will linger for a few hours?
Wonderful thanks.

2007-02-21 19:10:49 · 5 answers · asked by Anonymous

2007-02-21 19:10:45 · 4 answers · asked by v_arbab 1

pls help us..='(

2007-02-21 19:01:56 · 1 answers · asked by cloud 1

oxygn is a supoter of combusition and water contains oxygen

2007-02-21 18:33:55 · 7 answers · asked by muddy 1

2007-02-21 17:52:06 · 2 answers · asked by T.O. 2

When plotting density vs %NaCl mass, which is dependent variable?

which goes on the x and which goes on the y?

2007-02-21 17:00:52 · 2 answers · asked by chowee21 2

Also How does the solubility of a gas change with increasing temperature?

2007-02-21 17:00:30 · 4 answers · asked by cyberfan 2