Stereochemistry

AP Chemistry MIDTERM review A

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Chemistry

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ion

Boron

Chemistry

Chlorine

Which element is most commonly found as a negatively charged ion? Ne - 0 Li - +1 Al - +3 Cl - -1 Ca - +2 A 100 Which element is isoelectronic with Mg2+ Ne Li Al Cl Ca A 200 Isoelectronic elements have the same electron configurations ? that means they must have the same number of electrons Which element is found as a diatomic gas in its uncombined state? Ne Li Al Cl Ca A 300 You have memorized the diatomic gases: H, O, N, Cl, Br, I, F. Make a study card for these if you need to review and re-memorize! A 400 A 500
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Organic Chapter 7 ppt

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Chemistry

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Alkenes

Butene

Cyclohexane conformation

Chapter 7 Structure and Synthesis of Alkenes Jo Blackburn Richland College, Dallas, TX Dallas County Community College District ? 2006, Prentice Hall Organic Chemistry, 6th Edition L. G. Wade, Jr. Chapter 7 * Introduction Hydrocarbon with carbon-carbon double bonds Sometimes called olefins Term derived from olefiant gas meaning ?oil-forming gas? Originates with early experiments and the oily appearance of alkene derivatives Chapter 7 Chapter 7 * Characteristics Among most important industrial compounds and found in many plants and animals Ethylene ? a.k.a. ethene largest volume industrial organic compound used to make polyethylene and others Pinene ? major component of turpentine ? paint solvent distilled from extracts of evergreen trees Chapter 7 Chapter 7 *

Organic Chapter 5 ppt

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Chemistry

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Isomer

Cahn–Ingold–Prelog priority rules

Chapter 5 Stereochemistry Organic Chemistry, 6th Edition L. G. Wade, Jr. Chapter 5 * Summary of Isomers => Chapter 5 Chapter 5 * Stereochemistry The study of 3-D structure of molecues. Recall the 2 different types of isomers: Constitutional Stereoisomers Chapter 5 Chapter 5 * Stereoisomers Same bonding sequence. Different arrangement in space. Example: HOOC-CH=CH-COOH has two geometric (cis-trans) isomers: o o => Chapter 5 Chapter 5 * Chirality ?Handedness?: right glove doesn?t fit the left hand. Mirror-image object is different from the original object. Relationship ? the objects are nonsuperimposable (nonidentical) mirror images. Chapter 5 Chapter 5 * Chirality in Molecules The cis isomer is achiral (?not handed? or identical with its mirror image).

Organic Chapter 3 ppt

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Chemistry

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Chemistry

Stereochemistry

Alkane stereochemistry

Cyclohexane conformation

Conformational isomerism

Strain

Alkane

Cycloalkane

Eclipsed conformation

Cyclohexane

Gauche effect

Staggered conformation

Chapter 3 Structure and Stereochemistry of Alkanes Organic Chemistry, 6th Edition L. G. Wade, Jr. Chapter 3 * Classification Review Chapter 3 Chapter 3 * Alkane Formulas All C-C single bonds Saturated with hydrogens Ratio: CnH2n+2 Alkane homologs: CH3(CH2)nCH3 Same ratio for branched alkanes => Chapter 3 Chapter 3 * Common Names Isobutane, ?isomer of butane? Isopentane, isohexane, etc., methyl branch on next-to-last carbon in chain. Neopentane, most highly branched Five possible isomers of hexane, 18 isomers of octane and 75 for decane! => Chapter 3 Chapter 3 * Alkane Examples => Chapter 3 Chapter 3 * IUPAC Names Find the longest continuous carbon chain.

campbell_ap_bio_practice_test_ch4

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Biology

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Chemical nomenclature

Isomer

Carbon

Chapter?4 Carbon?and?the?Molecular?Diversity?of?Life Multiple-Choice?Questions 1) Organic?chemistry?is?a?science?based?on?the?study?of A) functional?groups. B) vital?forces?interacting?with?matter. C) carbon?compounds. D) water?and?its?interaction?with?other?kinds?of?molecules. E) inorganic?compounds. Answer: C Topic: Concept?4.1 Skill: Knowledge/Comprehension 2) Early?19th-century?scientists?believed?that?living?organisms?differed?from?nonliving?things?as?a?result?of possessing?a??life?force??that?could?create?organic?molecules?from?inorganic?matter.?The?term?given?to?this?belief is A) organic?synthesis. B) vitalism. C) mechanism. D) organic?evolution. E) inorganic?synthesis. Answer: B Topic: Concept?4.1 Skill: Knowledge/Comprehension

proteins worksheet

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Biology

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Biology

Protein

Peptide

health

1 Kingston College Biology CAPE Unit 1 Proteins Worksheet Name: ________________________________ Date: _________________________ 1. Draw a simple amino acid molecule and label each part. [3] 2. Polypeptide chains are formed by ______________ bonding and is added to the _________________________ of amino acid. Use a diagram to show a dipeptide below [4] (make sure you label the bond mentioned above) 3. What type of bonding is responsible for the primary structure of proteins and what is the primary structure? [2] ___________________________________________________________________________________________ ___________________________________________________________________________________________

Hydorcarbons

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Chemistry

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Alkanes

Alkene

ORGANIC CHEMISTRY Hydrocarbons: Alkanes and Cycloalkanes Dr. Geetu Gambhir E-340, Greater Kailash II New Delhi -110048 (31.07.2006) CONTENTS Introduction Alkanes Nomenclature of branched and unbranched Alkanes Condensed Structures Isomerism Classification of Carbon Substitution Sources Preparation Properties Reactions Cycloalkanes Classification Methods of preparation Properties Baeyer?s strain theory Ring strain in Cycloalkanes Reactions 1 Introduction With the key element carbon, organic compounds contain large chemical diversity. They contain wide variety of elements and varisity in the structures. This is due to the unique property of