'Bond breaking' diaporamas de présentation

Preview of Chapter 7 Alkyl Halides and Nucleophilic substitution

Preview of Chapter 7 Alkyl Halides and Nucleophilic substitution. Alkyl Halides : R-X properties and reactions, preparation Substitution reaction mechanism S N 1 v.s. S N 2 - Properties and Selectivity. Assignment for the March 27 th Class. What is Hammond postulation?

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Chapter 7 Alkyl Halides and Nucleophilic Substitution

Chapter 7 Alkyl Halides and Nucleophilic Substitution. Alkyl Halides and Nucleophilic Substitution. Introduction to Alkyl Halides. Alkyl halides : organic molecules containing a halogen atom bonded to an sp 3 hybridized carbon atom.

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Alkyl Halides and Nucleophilic Substitution

Alkyl Halides and Nucleophilic Substitution. Alkyl Halides and Nucleophilic Substitution. Introduction to Alkyl Halides. Alkyl halides are organic molecules containing a halogen atom bonded to an sp 3 hybridized carbon atom.

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Understanding Organic Reactions

Understanding Organic Reactions. Writing Equations for Organic Reactions. Equations for organic reactions are usually drawn with a single reaction arrow ( ?) between the starting material and product.

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Chapter 11: Liquids & Solids

Chapter 11: Liquids & Solids. Renee Y. Becker Valencia Community College. Kinetic Molecular Theory. Introduction Gases Gas particles act independent of one another Attractive forces are very weak Particles are free to move randomly Occupy whatever space available

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Example 2 C 2 H 6 ? C 2 H 2 + 2H 2 C-C = 347, C-H = 413, C C = 837, H-H = 436

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Potential Energy Surfaces, Energy Minimization Methods, and Transition State Modeling

Potential Energy Surfaces, Energy Minimization Methods, and Transition State Modeling. Outline. Potential Energy Surface (PES) Energy Minimization Methods (Algorithms) Global Minimum Structure Transition State Modeling Reaction Pathway Modeling. Potential Energy Surface.

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Exothermic and Endothermic Reactions

Exothermic and Endothermic Reactions. Linking Energy Profile Diagrams to Thermometer Readings. Candidates should be able to:. (a) describe the meaning of enthalpy change in terms of exothermic (?H negative) and endothermic (?H positive) reactions

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Can you guess the topic for today?

Can you guess the topic for today?. Bond energies. Combustion of methane. One molecule of methane and two molecules of oxygen. Combustion of methane. CH 4(g) + 2O 2(g) 2H 2 O (l) + CO 2(g). Combustion of methane. CH 4(g) + 2O 2(g) 2H 2 O (l) + CO 2(g)

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Do now!

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Schedule

Schedule. Lecture 7: M-M bonds d -bonds and bonding in metal clusters. Lecture 8: Rates of reaction Ligand-exchange reactions, labile and inert metal ions. Lecture 9: Redox reactions Inner and outer-sphere reactions. Summary of Last Lecture. Quadruple bonds

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Exceptions to the Octet Rule

Exceptions to the Octet Rule. There are three types of ions or molecules that do not follow the octet rule: Ions or molecules with an odd number of electrons. Ions or molecules with less than an octet. Ions or molecules with more than eight valence electrons (an expanded octet).

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Structural Instability of Si(111)-(7x7) Induced by Low-Energy Electron Irradiation

Structural Instability of Si(111)-(7x7) Induced by Low-Energy Electron Irradiation. Tanimura laboratory Yoshiaki Sugita. 0.015. N-type. 0.01. 0.005. 3.51x10 -6 ML/pulse. DENSITY OF VACANCIES (ML). 0. P-type. 0.01. 0.005. 1.46x10 -6 ML/pulse. 0. 0. 1000. 2000. 3000. 4000.

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NUCLEOPHILLIC SUBSTITUTION REACTIONS (Mechanism Of SN1 & SN2 Reactions of Alkyl Halide)

NUCLEOPHILLIC SUBSTITUTION REACTIONS (Mechanism Of SN1 & SN2 Reactions of Alkyl Halide). Alkyl Halides and Nucleophilic Substitution.

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Chemical Energetics 1:

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Chemical Energetics 1:

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Chemical Energetics 1:

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Question 1

What is the name and symbol of the unit of energy used in energy problems?. Question 1. Is energy taken in or given out when bonds break?. Question 2. Are all bond energies the same?. Question 3. Does this energy level diagram show an exothermic or an endothermic reaction?.

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Bond Enthalpies

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