slide2 - # C’s Name Mol Formula Simple Structural Formula...

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Where We Are Going Today x Chapter 2 – Structure and Reactivity; Alkanes Thermodynamics Kinetics Arrhenius Equation Acids and Bases Lewis Acids and Bases Electrophiles and Nucleophiles Functional Groups Alkanes Isomers Nomenclature of Organic compounds Types of Carbon and Hydrogen Atoms Structural and Physical Properties Conformations of Acyclic Molecules
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A Typical Reaction Coordinate – Energy Graph x Illustrated for the combustion of paper
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IUPAC Nomenclature Rules 1. Find the longest carbon chain and name it 2. Name all the groups attached to the longest carbon chain as “alkyl groups” 3. Number the longest carbon chain beginning at the end closest to a substituent . rite the name according to: 4. Write the name according to: Substituents groups (alphabetically) - parent name - suffix These rules generally apply to a variety of nomenclature situations (more later).
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The Parent Straight Chain Alkanes
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Unformatted text preview: # C’s Name Mol Formula Simple Structural Formula 1 Methane CH 4 CH 4 2 Ethane C 2 H 6 CH 3 CH 3 3 Propane C 3 H 8 CH 3 CH 2 CH 3 4 Butane C 4 H 10 CH 3 CH 2 CH 2 CH 3 entane 2 H H H H H x Alkanes follow the general molecular formula C n H 2n+2 5 Pentane C 5 H 12 CH 3 CH 2 CH 2 CH 2 CH 3 6 Hexane C 6 H 14 CH 3 CH 2 CH 2 CH 2 CH 2 CH 3 7 Heptane C 7 H 16 CH 3 (CH 2 ) 5 CH 3 8 Octane C 8 H 18 CH 3 (CH 2 ) 6 CH 3 9 Nonane C 9 H 20 CH 3 (CH 2 ) 7 CH 3 10 Decane C 10 H 22 CH 3 (CH 2 ) 8 CH 3 The Energy of Ethane as a Function of Conformation H H H C H H H E x The most favorable conformation is generally the one in which the atoms are as far apart as possible H H H C H H H H H H C H H H Torsion Angle E a = 2.9 kcal/mol The Conformations of Propane H H H C CH 3 H H H H H C CH 3 H H H H H C CH 3 H H E Torsion Angle E a = 3.2 kcal/mol...
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This note was uploaded on 01/25/2010 for the course CHEM chem 140A taught by Professor Dr.yang during the Spring '07 term at UCSD.

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slide2 - # C’s Name Mol Formula Simple Structural Formula...

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