'Partially positive' presentation slideshows

Chapter 2: Alkanes and Cycloalkanes ; Conformational and Geometric Isomerism

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Fischer-Rosanoff Convention

Fischer-Rosanoff Convention. Before 1951, only relative configurations could be known. Sugars and amino acids with same relative configuration as (+)-glyceraldehyde were assigned D and same as (-)-glyceraldehyde were assigned L.

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Fischer-Rosanoff Convention

Fischer-Rosanoff Convention. Before 1951, only relative configurations could be known. Sugars and amino acids with same relative configuration as (+)-glyceraldehyde were assigned D and same as (-)-glyceraldehyde were assigned L.

1.31k views • 44 slides

Chem 167 Final Review

Chem 167 Final Review. Part 2. Resonance Structures. Compound that cannot be represented by only one Lewis structure. Determine resonance structures: 1) Ozone, O 3 2) CO 3 2- 3) Benzene, C 6 H 6. Resonance Answers.

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Chemical Bonding

Chemical Bonding. Lewis Structures, Polarity and Bond Classification. Lewis Theory. Developed by Lewis, Kossel, and Langmuir Between 1916-1919 they made several important proposals about bonding, which was made into the Lewis Theory. Elements of the Lewis Theory.

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Ch 2 The Chemical Context of Life

Ch 2 The Chemical Context of Life. I. Overview. All living organisms are subject to the laws of chemistry & physics. A basic knowledge of both helps us to better understand how living things work. 1. What class of levers do you find most often in the human body? 2. Why use those?

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Chapter 9

Chapter 9. Aldehydes and Ketones. Structure. The functional group of an aldehyde is a carbonyl group bonded to a hydrogen atom in methanal, the simplest aldehyde, the carbonyl group is bonded to two hydrogens in other aldehydes, it is bonded to one hydrogen and one carbon

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The name is bond---H bond Akhil Khanal February 2006

The name is bond---H bond Akhil Khanal February 2006. Early evidence of hydrogen bonding. Many elements form hydrides Plot BP of hydrides of Group 4 elements BP increases as we go down a gp Van der Waals forces Plot BP of hydrides of gp 5,6, and 7 Similar results

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The Nature of Solutions

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Polarity

Polarity. Bond Polarity & Molecular Polarity. Nonpolar Covalent Bonds. Occur when there is equal sharing of electrons between two atoms. Form between: T wo identical nonmetal atoms. Two nonmetals with electronegativity difference of 0.3 or less .

225 views • 9 slides