CHEM 0310 Lecture 1: Lecture Notes Organic ENTIRE CLASS

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8 Oct 2018
School
Department
Course
1/9/17 -Chapter I-Organic Chemistry
Organic Chemistry -Structure and function of organic molecules
=focuses mainly on Carbon
Structure and function are strongly correlated .(Structure determines function)
Reactions
A- B
→9a-
c- D§
Reactants Products ,C-
IBreak bond)(Form bond)HYN NH2
Urea
organic
-produced by an organism (def.1828 )
*But in 1828 , it was shown that the three components Of urea could be cooked
to form urea (i. e.
making an organic molecule who an organism )
So now ...Organic -any compound that contains carbon atom
1.) Organic chemistry is essential for understanding DNA ,RNA ,and protein .
2.) Glucose
3.) Antibiotic How organic Chem relates to medicine
4.) Taxol (anticancer )
Structure Bonding
-Has lowest potential energy,
-
A.
is the most stable
EB• to Making abond releasing energy
A
:B 2.Breaking abond absorbing energy .
loloumbsLaw_ Study !
Bonds have specific lengths . If A and Bare forced too e- e-
Eo
.A
Bclosely together
,their electrons start repelling each other
*+
o---Iii
'iA←B and potential energy increases .Stability decreases .AB
distance
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Types of Bonds -covalent ,ionic ,polar covalent,coordinate
Covalent
FAIT electrons are equally shared
¥
OB e- no longer belong to either atom
¥±
ff~B Adonates its e- ,becomes positively charged.
Bhas gained an e- ,so becomes negative .
Positive and negative are strongly attracted
by electrostatic forces .
Coordinated
one §y A BAgives e. to B,but *also called
still shares them
,not Dativ bond
quite ionic ,not quite covalent
Example -Follows the Octet Rule Nobeltasest
He Have full octet in
outer shell
-wants another e- to be He New
Li "'
-wants to give e- away to be He Art 8's
Nan ''
-wants to give e
-
away to be Ne Kr2 's ''8's
Ct'"
-does
it give or get 4?
F2 '7
-wants another e
-to be Ne
C128''
-
wants another e
-to be Ar
Na +Cl Nat Ci -ionic bond
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HO +FO (each wants le ,what to do ?)
-share e-
,HEFT
:Covalent bond
Special Case -Carbon
Energy wise ,it's Very difficult to lose 4e -
or gain e-
H
d'" +4H± *
Eoo ,+ City (methane)
:
67 million organic molecules
have been discovered
Synthesized
January 16h
÷ctrongaty
Hydrogen 22 7dose enough to be
Carbon 2.6 equal
Nitrogen 3.0
Oxygen 3.4
Fluorine 4.0 highest,tries hardest to get e-
Chlorine 3.2
Bromine 3.0
Iodine 2.7
H8F is actually like IT8k Polar Covalent
Ex .HB@
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Document Summary

Structure and function are strongly correlated . ( structure determines function) 1828 ) shown that the three components of urea could be cooked to form urea ( i. e. making an. Organic - any compound that organic molecule who carbon contains an organism ) atom. Has lowest potential energy , the most stable is. Breaking a bond absorbing energy . loloumbslaw_ Eo. o distance closely together, their electrons start repelling each other and potential energy increases . Ob ff~b electrons are equally shared e- no longer belong to either atom. A donates its e- becomes positively charged . Positive and e- so becomes negative . negative are strongly attracted by electrostatic forces. Dativ bond quite ionic , not quite covalent. He wants to give e- away to be. Wants to give e does it give or get away. " 8 "s wants another e to be. Very difficult to lose 4e - or gain e- d "

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