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Elena

11-25-2004 11:05 AM

Well, my teacher gave me homework over the holiday and I have no idea how to do it. The book is not helping and neither is the informational internet sites. If you know how to write forumals then plz teach me.
Ex: Mercury(II), carbonate

Virtual Fighter

11-25-2004 11:15 AM

formulas? as in 2C + 3O -> 5C + 2CO?

alamgir

11-25-2004 11:17 AM

Yeah I can assist with that.

Elena

11-25-2004 11:40 AM

Plz help alam...you do know what I mean right...

y_09	11-25-2004 12:22 PM

Quote:

Mercury(II), carbonate

2HgCo3

what metal or alkali metal is used as its catalysit

catalysit= speeds up the reaction

alamgir

11-25-2004 01:34 PM

Alright just post your homework questions and i'll c what I can do. And just check the periodic table for the list of element formulas, compounds are the formulae of each element combined, you have to balance out the equations as well. Eg: lets take respiration in plants.

Carbon Dioxide + Water -> Glucose + Oxygen. The formula is 6CO2 + 6H2O -> C6H12O6 + 6O2.

island_chick

11-26-2004 04:39 PM

lol i just finished chemistry n moving on to physics

Mercury(II) carbonate Hg(CO3)2

thy share electrons... its an ionic compound....the combining capacity has to be switched n since CO3 has 1..1 in never written in chemical formulas so thy y Hg is alone ... the combining capacity frm mercury is transfered to CO3..since it cant be written as CO32...has to be ( ) parenthesis...2 outside the parenthesis

Hope this helps:p

Elena

11-27-2004 09:04 AM

Well, guys and gal something came up and i'm not at home. So, I don't have my homework with me, but I do remember some questions. If it ends with -ate or -ite or whatever. What does it mean? And what is the difference between sulfate and sulfite? I know I have more questions and I will be back home on Sunday about 6pm eastern. If any of you are on you can help me?

Thanks a million guys AND gal.

Edited By Elena on 1101575194

dark-guardian

11-27-2004 10:40 AM

The ending suffix -ide and -ate is talking about the charge of the group of atom(s). If the group of atom(s) has a negative charge then the name of that ion/group of atom ends with the suffix -ide. The the group of atom(s) has a postive charge then it ends with he suffix -ate.

Also the diffrence between Sulfate and Sulfite is the formula, the formula for Sulfate is SO (4 at the bottom, after o....Negative 2 at the top after the 4)

And the formula for Sulfite is SO (3 at the botto after the O...and Negative 2 at the top after the 3) SUlfite and Sulfate are similar but diffrent, but they they are made from Sulfur the element....Hope i helped u...

Elena

11-28-2004 08:51 PM

Uh, well I came home later then I thought I would if any of you guys have yahoo messenger or Aim then contact me otherwise pm tell me you will help me. Thx.
Aim: n0bodys_f00l@hotmail.com
yahoo: nob0dys_f(zero goes here without parenthesis)ol

Edited By Elena on 1101704080

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