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CALLING ALL CHEMISTRY MAJORS/GURU

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Old Oct 2, 2007 | 12:39 AM
  #21  
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Originally Posted by Seks,Sep 29 2007, 09:20 AM
H H H H
| | | |
H - C - C - C - C - H
| | | |
H | H H
|
H - C - H
|
H



Any diff if I write the above as (CH3)2CHCH2CH3 or CH(CH3)2CH2CH3?????
Hydrogen, only has one electron, it cannot covalently bond twice.
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Old Oct 2, 2007 | 12:10 PM
  #22  
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BRAIN FART!!! AAARRRGGGHHH!!!!
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Old Oct 2, 2007 | 12:53 PM
  #23  
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How do I possess a Biology degree. This shit is so above my head. I might as well be reading egyptian calculus.
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Old Oct 2, 2007 | 04:12 PM
  #24  
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Need someone to verify this. I don't believe in me!

butanol, acetone, acetic acid, water

These are in order from least polar to most polar right?
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Old Oct 2, 2007 | 11:22 PM
  #25  
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Bond polarity increases left to right across a row and up a column. You have to draw it in 3d if its tetrahedral and figure out if the bonds reinforce or cancel. Could you write the formulas for those compounds?
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Old Oct 3, 2007 | 05:19 AM
  #26  
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^
Electronegativity:

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Old Oct 3, 2007 | 06:46 AM
  #27  
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Originally Posted by C U AT 9K,Oct 3 2007, 05:19 AM
Electronegativity:
Why no noble gasses?

Even if their electronegativity is zero, don't they at least deserve being mentioned?
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Old Oct 3, 2007 | 09:00 AM
  #28  
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Oops I guess I assumed they were on there. I just did a google image search for electronegativity haha.
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Old Oct 3, 2007 | 10:05 AM
  #29  
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Bond polarity increases left to right across a row and up a column. You have to draw it in 3d if its tetrahedral and figure out if the bonds reinforce or cancel. Could you write the formulas for those compounds?
Butanol


Acetone


Acetic Acid


Water
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Old Oct 3, 2007 | 10:15 AM
  #30  
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I just don't get how to tell if one is more polar than the other. I can only tell if it is polar or nonpolar.
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