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Author Topic: Need help in chemistry  (Read 1939 times)

Offline Omenbreed898

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Need help in chemistry
« on: May 31, 2009, 03:35:07 pm »
Extended paper 3 may/june 2007 number 4C

How do u draw it??
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Offline Shogun

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Re: Need help in chemistry
« Reply #1 on: May 31, 2009, 03:45:32 pm »
ill tell u how wait ill show it to u
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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #2 on: May 31, 2009, 03:50:29 pm »
Thanks man i'd greatly appreciate it
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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #3 on: May 31, 2009, 03:53:03 pm »
ohh and if it's not much trouble could you do the one in may/june 2004 question 3B
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Offline Shogun

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Re: Need help in chemistry
« Reply #4 on: May 31, 2009, 04:02:59 pm »
here it is it will be NCl3, find the attached files

alright
do +rep me if it helps lol :P
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one who masters both the pen and paper is indeed a true warrior.

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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #5 on: May 31, 2009, 04:12:11 pm »
juicy ok now i understand what they mean thanks man so no need for question 3B
in may/june 2003 5E ???? It's too simple but is it the same way
may/june 2002 4C<---------------SAME AS DIAGRAM

Anyways Man That was awsome
especially the way u drew it i love the X and the O
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Offline Shogun

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Re: Need help in chemistry
« Reply #6 on: May 31, 2009, 04:26:15 pm »
no thts wrong adi thts a wrong diagram
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Offline Ghost Of Highbury

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Re: Need help in chemistry
« Reply #7 on: May 31, 2009, 04:28:27 pm »
thats the answer for the second question he asked..
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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #8 on: May 31, 2009, 04:32:46 pm »
yeah that is sorry guys but in my school we call these structural drawing so everyone was phoning me up and asking what valence drawing was sorry for the fuss.....anyways thanks and good luck to all P3 exam takers tomorrow (including me)
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Offline Shogun

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Re: Need help in chemistry
« Reply #9 on: May 31, 2009, 04:42:49 pm »
also wrong m8,lol,the site is really slow for me so i cant post the image here. here is what u supposed to do, ure structure is correct but there should be 6 electrons bonded and 2 electrons outside for each atom of nitrogen.
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one who masters both the pen and paper is indeed a true warrior.

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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #10 on: May 31, 2009, 04:49:29 pm »
dude thats totally wrong they and shogun they want one molecule not an atom..... so you dont put 2N's only one and N has 3 bonds and 2 valence on each
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Offline Ghost Of Highbury

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Re: Need help in chemistry
« Reply #11 on: May 31, 2009, 05:04:58 pm »
http://cid-a1aae58af356b211.skydrive.live.com/browse.aspx/ppt?uc=1

visit this and download the last image..

is this correcT??
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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #12 on: May 31, 2009, 05:13:41 pm »
i dont think so because it says one molecule if they said atom then that would have been right
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Offline Shogun

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Re: Need help in chemistry
« Reply #13 on: May 31, 2009, 05:17:08 pm »
hey man 1 molecule means 1 N2 see one molecules of n2 i exist diatomic in nature.. so its 2 nitrogen atoms

2 nitrogen atoms=1 molecule of nitrogen
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one who masters both the pen and paper is indeed a true warrior.

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Offline Omenbreed898

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Re: Need help in chemistry
« Reply #14 on: May 31, 2009, 05:27:53 pm »
ok then the last pic is right
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