Chemistry - March 2007

2007-03-20 04:42:00 · 5 answers · asked by www.htsx3 1

I Need the ans today....plz help

2007-03-20 04:34:08 · 6 answers · asked by Silver 2

Hi, I would like to know How many moles of BaO were Produced? Which substance is limiting reactant?
(The folllowing reaction was carried out using 2 moles of Ba and 2 moles of O2
2Ba + O2 ----------> 2BaO

tanks

2007-03-20 04:27:58 · 4 answers · asked by Anonymous

2007-03-20 04:25:49 · 1 answers · asked by Casper B 1

the folllowing equation: 2NH3 + H2SO4 ---> (NH4)2SO4

and how do you figure it out???

2007-03-20 04:18:23 · 1 answers · asked by ljkappas@sbcglobal.net 1

2007-03-20 04:17:34 · 12 answers · asked by Katy 3

Again, I am merely curious Officer Dibble. Just curious, that's all....

2007-03-20 04:08:19 · 4 answers · asked by Duncan Disorderly 3

A. PCl3(g) + Cl2(g) PCl5(g)
B. CO2(g) + H2(g) CO(g) + H2O(g)
C. H2(g) + Br2(g) 2HBr(g)
D. TlCl3(s) TlCl(s) + Cl2(g)
E. 2NOCl(g) 2NO(g)+ Cl2(g)

2007-03-20 04:07:03 · 1 answers · asked by Tracey Lee ♥ 2

What are some of the important buffer solutions used in the environment?

2007-03-20 03:59:16 · 2 answers · asked by pookie 1

2007-03-20 03:56:50 · 1 answers · asked by Anonymous

salting in ,salting out dialysis.
it is important please

2007-03-20 03:53:30 · 1 answers · asked by selvi_mks89 3

The heat H required to melt a substance varies directly with its mass m. Forty-nine calories of heat are needed to melt one gram of copper.

2007-03-20 03:53:25 · 1 answers · asked by Anonymous

please explain. thanks very much!

2007-03-20 03:47:19 · 1 answers · asked by Aaron A 3

2007-03-20 03:38:42 · 3 answers · asked by npinhey 1

and even man-made?The total number of elements known at present is more than 100.Ninety-two elements are naturally ocurring and the rest are man-made.Please help me!

2007-03-20 03:36:36 · 1 answers · asked by Meghana Singh 2

2007-03-20 03:34:55 · 2 answers · asked by Tracey Lee ♥ 2

2007-03-20 03:23:40 · 9 answers · asked by Anonymous

i asked befor about what the thing that mix it with water to make a fire, and i want something easy to get it.is it easy to get silane?
if not..please i would like to know something more easy to get,thank you

2007-03-20 02:20:31 · 3 answers · asked by UAE 1

When the pale yellow solution of FeCl3 and the colorless soultion of KSCN were mixed the resulting solution was blood red.

Write a balanced equation for the equilibrium that existed after the ferric and thiocyanate ions were combined in a beaker

2007-03-20 02:12:30 · 1 answers · asked by Tracey Lee ♥ 2

Are the growth of an organism and the evolution of life exceptions to the tendency of natural processes to become more disordered?

2007-03-20 01:45:53 · 5 answers · asked by Anonymous

Explain why steam is generated outside the flask which contain the mixture to be distilled and not inside it???

2007-03-20 01:40:46 · 3 answers · asked by Moamen 1

Explain why you think a supersaturated solution is required for crystallisation to occur.

2007-03-20 01:40:05 · 3 answers · asked by Unknown 1

2007-03-20 01:26:35 · 4 answers · asked by zerophilmister 2

I had KNO3. before cooling, there was a single KNO3 crystal at the bottom of the colorless solution. After cooling in an ice bath, lots more crystals of KNO3 formed.

Would you say lowering the temp affected the equilibrium? I'm pretty sure it did, im just not sure why...

2007-03-20 01:23:18 · 4 answers · asked by Tracey Lee ♥ 2

Why the combination of pepsi and mentos is fatal? It can kill someone, but what is the reason?

2007-03-20 01:15:41 · 4 answers · asked by Sarah 1

2007-03-20 01:09:14 · 2 answers · asked by lyn l 1

2007-03-20 00:50:51 · 2 answers · asked by Angeline 1

2007-03-20 00:03:28 · 5 answers · asked by blubbablub 1

2007-03-19 23:59:00 · 2 answers · asked by J.ferdous_nsu 1

2007-03-19 21:57:46 · 4 answers · asked by mgp_chem88 1