Chemistry - November 2006

How many grams of H2O will be produced by 144 grams of C2H3N?

4C2H3N + 9O2 ---> 8CO + 6H2O + 4NO

2006-11-29 18:39:23 · 4 answers · asked by Megan T 1

I forgot how to calculate this...

For the balanced equation shown below, if the reaction of 79.3 grams of C2H4F2 produces 18.0 grams of HF, what is the percent yield?

2C2H4F2 + 5O2 ---> 4CO2 + 2H2O + 4HF

2006-11-29 18:33:14 · 2 answers · asked by Megan T 1

2006-11-29 18:26:50 · 7 answers · asked by shruti 1

Which of the following is a binary molecular compound?

a) MgS
b) PCl5
c) AgI
d) BeHCO3

p.s. the numbers are all subscript.

2006-11-29 17:52:29 · 5 answers · asked by me 2

Which formula represents tin(IV) oxide?

a)SnO4
b)Sn4O2
c)SnO2
d)TnO2

p.s. the numbers are all subscripts.

2006-11-29 17:47:29 · 7 answers · asked by me 2

1 M H+ has a pH of 0. So does 10 M have a pH of -1? Similarly, does 10 M OH- have a pH of 15, 100 M OH- a pH of 16 and so on?

2006-11-29 17:42:07 · 3 answers · asked by Anonymous

If we take Fe which is an atom and element for instance why do we need two different terms for the same thing?
Any help would be appreciated.

2006-11-29 17:10:26 · 3 answers · asked by Gideon 1

Complete combustion of methane (excess oxygen) vs. incomplete combustion of methane (excess methane)

2006-11-29 17:00:52 · 2 answers · asked by abu ali 1

2006-11-29 16:33:56 · 3 answers · asked by perfectionistjc 2

I have read my text and have not been able to answer the following question. "Explain, using d orbitals, why Copper has so many colors?" The text has just confused me even further.

any and all help appreciated.

2006-11-29 16:31:29 · 2 answers · asked by roncho 4

2006-11-29 16:28:27 · 9 answers · asked by luisajg@sbcglobal.net 1

I think it is sodium and potassium but i really don't know since i am a diesel freak not a chemist...I deal with diesel fuel, Cummins, and CATERPILLAR. Thats as far as i come to Chemistry. um ....thanx

I hope you can answer this Richard....As it doesn't look like a problem for you.

2006-11-29 16:20:57 · 6 answers · asked by Anonymous

2006-11-29 16:08:52 · 3 answers · asked by Anonymous

2006-11-29 16:05:36 · 3 answers · asked by Anonymous

and can explain why ...

2006-11-29 15:23:39 · 2 answers · asked by heheheheheh 1

2006-11-29 15:20:57 · 2 answers · asked by Anonymous

2006-11-29 15:16:05 · 1 answers · asked by thisisjk2001 1

2006-11-29 15:14:38 · 2 answers · asked by Anonymous

2006-11-29 15:12:15 · 1 answers · asked by Anonymous

2006-11-29 15:09:01 · 5 answers · asked by ktempleton67 1

2006-11-29 15:07:23 · 4 answers · asked by ktempleton67 1

2006-11-29 15:07:06 · 4 answers · asked by Chachi 1

and if it is possible what will be the benifits?

2006-11-29 14:53:17 · 1 answers · asked by azmath_rahiman 1

2006-11-29 14:42:29 · 5 answers · asked by Danielle P 1

2006-11-29 14:35:07 · 2 answers · asked by /=ati/\/\a 1

2006-11-29 14:29:44 · 4 answers · asked by lildimp08 1

2006-11-29 14:27:41 · 3 answers · asked by lildimp08 1

2006-11-29 14:11:51 · 2 answers · asked by diligent 1

2006-11-29 14:05:53 · 4 answers · asked by caprice p 1

can relate to drugs or polymers

2006-11-29 13:59:59 · 0 answers · asked by rhodebxl 1