Chemistry - August 2006

Write ionic and net ionic equations for the following reaction

Na2S(aq) + ZnCl2(aq)

someone please help me!

2006-08-27 08:10:28 · 5 answers · asked by dingdong 1

2006-08-27 08:07:25 · 3 answers · asked by Have a nice day 1

NaF.
Pb.
CH4.
Ar.

2006-08-27 07:39:49 · 8 answers · asked by im M 1

CH4 .
N2.
NO2.
NaCl .

2006-08-27 07:30:36 · 14 answers · asked by im M 1

The "2s" and "+" are meant to be written very small but there was no way i could write it.

So how can it be worked out to get a "no overall charge"?

2006-08-27 07:22:42 · 7 answers · asked by Anonymous

How is the mass in grams of the element converted to amount in moles?

2006-08-27 07:11:57 · 8 answers · asked by allmaddenmister 2

Write ionic and net ionic equations for the following reaction

Na2S(aq) + Na2SO4(aq) --->

someone please help me

2006-08-27 06:28:43 · 4 answers · asked by dingdong 1

2006-08-27 06:16:47 · 33 answers · asked by great 1

2006-08-27 06:16:33 · 10 answers · asked by great 1

2006-08-27 05:24:33 · 10 answers · asked by moonface 2

C6H14 ---> C2H4 + other products

If the yield of ethylene (C2H4) production is 42.5 percent, what mass of hexane (C6H14) must be reacted to produce 481g of ethylene?

Can someone please help me. I dont understand. I'm more interested in the explanation than in the answer.

2006-08-27 05:24:23 · 4 answers · asked by dingdong 1

2006-08-27 05:13:29 · 4 answers · asked by Anthony N 1

Yes, I know it is not legal. I have every intention of using the dirt lot on my brothers ranch (there are no trees on the property).

2006-08-27 05:10:42 · 11 answers · asked by Anonymous

C3H8 + 5 O2 ----> 3 CO2 + 4 H2O

I balanced the equation my self. Now, i need help with this part:

How many grams of carbon dioxide can be produced by burning 3.65 moles of propane? Assume that oxygen is the excess reagent in this reaction.

Please help me. I don't understand where to start and what do do?

2006-08-27 04:52:22 · 4 answers · asked by dingdong 1

Just tell me about the importance of significant figures and what are they ?
Question is related to chemistry.

2006-08-27 03:57:08 · 5 answers · asked by moments 2

2006-08-27 03:41:39 · 16 answers · asked by sandy v 3

2006-08-27 03:21:48 · 2 answers · asked by bb s 2

Is hydrogen cost more than petrol?

2006-08-27 02:32:55 · 12 answers · asked by ALONG 2

2006-08-27 01:55:53 · 7 answers · asked by Franco 1

2006-08-27 01:41:29 · 10 answers · asked by Anonymous

2006-08-26 23:28:55 · 37 answers · asked by Anonymous

2006-08-26 21:55:49 · 39 answers · asked by Anonymous

Solution A being CuSo4 and Sol.B would be NaOh.
In the Test procedures, it said that the 2 solutions should be kept in separate bottles until used.Now we have to answer why?Anyone,help?

2006-08-26 21:36:27 · 5 answers · asked by ariane 1

Which is the correct one? Or are both of them the same?
Zn0 + Na0H= Na2Zn02 + H20
and
Zn0 + Na0H= [Zn(OH)4]2- + 2 Na+

and pliz gimme the reason why ok?
thanks

2006-08-26 21:11:27 · 6 answers · asked by Anonymous

one that we can finish the product in a day and not that expensive...and a project that could cure a disease or problem...

2006-08-26 20:57:56 · 5 answers · asked by pie 1

2006-08-26 20:54:38 · 22 answers · asked by papa 2

2006-08-26 20:52:02 · 14 answers · asked by sunshine 1

2006-08-26 20:07:20 · 4 answers · asked by indian 2

this is the main chemical in bitter gourd which makes it bitter in taste

2006-08-26 19:31:58 · 1 answers · asked by Anonymous

In scientific details please.

2006-08-26 18:53:51 · 17 answers · asked by Crystalline As Dew 2