Chemistry - March 2007

ITS URGENT>...reply SOON..pls..help me out ppl...

2007-03-05 01:43:40 · 2 answers · asked by sich 1

2007-03-05 01:11:32 · 3 answers · asked by shin o 1

A) burning coal

B) grinding coffee beans

C) digesting a cheeseburger

D) converting water to hydrogen and oxygen

E) baking a cake

2007-03-05 00:51:09 · 6 answers · asked by shortydidi03 2

is it platinum, gold , diamond, venum, radium or anything else ?

2007-03-05 00:13:41 · 22 answers · asked by hitler.acharya 1

2007-03-05 00:02:44 · 1 answers · asked by chrixylene l 1

please answer

2007-03-04 23:50:08 · 4 answers · asked by ashley 2

And if you combined them what would they make?
And would you find the missing algorhythm for viral oxidisation?

2007-03-04 23:13:53 · 2 answers · asked by Anonymous

2007-03-04 23:13:33 · 1 answers · asked by Anonymous

Atomic Number: 369
Symbol: The
Name?
reference: http://www.apsidium.com/

2007-03-04 22:04:43 · 3 answers · asked by Aaron S 1

2007-03-04 22:02:13 · 4 answers · asked by rima 1

2007-03-04 22:00:27 · 1 answers · asked by Ojcc 3

2007-03-04 21:02:14 · 10 answers · asked by expert 1

and how you will test that the ammonium chloride/calcium carbonate is pure?

Why you choose this method of separating(faster, more efficient, easier, cheaper, more accuate results)?

2007-03-04 20:56:22 · 2 answers · asked by GooGi 1

when copper sulafate and sodium chloride are added nothing happens why???

2007-03-04 20:37:20 · 5 answers · asked by jazzie fizzle 1

that' question about corrosion of metals

2007-03-04 20:33:05 · 4 answers · asked by vuquangtran90 1

2007-03-04 20:27:27 · 1 answers · asked by ee 1

2007-03-04 20:19:23 · 1 answers · asked by Anonymous

Oxidation numbers?
can you please help me with my homework?
i am having trouble in the chemical formula and oxidation numbers.
it states here that i should compute for the oxidation number of calcium in calcium nitrate, oxygen in barium iodide, nickel in Ni(NO3)2, sulfur in sulfate ion and phosphorous in phosphate ion.?.please i need help!

2007-03-04 20:17:04 · 3 answers · asked by skyErrSkEe 1

I want to know wat are the new uses of alkenes!

2007-03-04 20:02:25 · 2 answers · asked by Anonymous

2007-03-04 19:48:31 · 4 answers · asked by Michael 2

2007-03-04 19:48:23 · 2 answers · asked by emmitttt24 1

Half life period is the time in which half of the atoms of a radioactive substances get disintegrated.For instance if I take 100 atoms of radium ,in 1600 yrs half of them (50)will undergo disintegration . What about another 50.Why they do not undergo the process of disintegration?How it is decided that which 50% will disintegrate?

2007-03-04 19:45:55 · 6 answers · asked by Shakti r 1

2007-03-04 19:40:19 · 7 answers · asked by R.S. ŞмЇГЭў 2

What happens to these acids when it reacts with limestone (calcium carbonate)?

2007-03-04 19:14:43 · 3 answers · asked by ax3cfc 1

2007-03-04 19:00:38 · 6 answers · asked by Kimly Y 2

Cu
AgNO3
Ag
Cu(NO3)2

2007-03-04 18:36:03 · 4 answers · asked by ChristFirst00 2

for writing the equilibrium expression, what if there's nothing on the top?
cuz it's like:
So3(g) + H2O(g) -> H2SO4 (l)
and it tells me to write the equilibrium expression..

2007-03-04 18:35:13 · 3 answers · asked by Anonymous

quqntitative analysis of tellurium in presence of potassium from ternary compound either by gravimetry or by titrimetry

2007-03-04 18:35:01 · 1 answers · asked by psachin30 1

A. Cu with HNO3
B. Co with HCI
C. Ag with HCI
D. Hg with HCI
E. Au with HNO3

2007-03-04 18:31:52 · 3 answers · asked by ChristFirst00 2

1. Sr(OH)2
2. KOH
3. NaOH
4. Ba(OH)2

2007-03-04 18:28:40 · 1 answers · asked by ChristFirst00 2