the concept of the functional group. A functional group is an atom or group of atoms‚ bonded together in a certain way‚ that‚ as part of a molecule‚ will impart certain physical and chemical characteristics to the molecule as a whole. It is the case that the rest of the molecule can modify the characteristics of the functional group. It is also the case that if the rest of the molecule is an alkyl group the modifications may be modest. On the other hand‚ other functional groups in the molecule
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the workplace. Though often thought of as negative‚ conflict is a necessary part of life and doesn’t always have to be viewed as with negative undertones. There are two types of conflict‚ functional and dysfunctional. Though the negative perception conflict carries with it‚ in regards to in the workplace‚ functional conflict can be a tool used to promote productivity and challenge staff to resolve issues that may arise internally and focus on problem solving techniques that may be used to strengthen
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SUBJECT: Organization Behavior Case-1- A WINDOW ON LIFE For Gilbert La Crosse‚ there is nothing quite as beautiful as a handcrafted wood-framed window. La Crosse’s passion for windows goes back to his youth in Eau Claire‚ Wisconsin‚ where he learned from an elderly carpenter how to make residential windows. He learned about the characteristics of good wood‚ the best tools to use‚ and how to choose the best glass from local suppliers. La Crosse apprenticed with the carpenter in his small workshop
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Assignments in Science Class X (Term II) 4 Carbon and its Compounds IMPORTANT NOTES 9. Unsaturated organic compounds : Organic compounds in which a double or a triple bond exists between two carbon atoms in a carbon chain‚ are called unsaturated organic compounds. 10. Hydrocarbons : Organic compounds which contain only carbon and hydrogen atoms are called hydrocarbons. 11. Straight chain hydrocarbons : Hydrocarbons‚ in which all the carbon atoms are linked to one another in a straight chain
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with monomers linked by ester moieties. ------------------------------------------------- Structure & Bonding Esters contain a carbonyl centre‚ which gives rise to 120°C-C-O and O-C-O angles. Unlike amides‚ esters are structurally flexible functional groups because rotation about the C-O-C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding
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oxidation of the plant extract‚ the steps were done away from direct light. The skin was shaken with ethyl acetate and was kept for 72 hours and was filtered. The filtrate was dried using a rotary evaporator to get one-tenth of its original amount. The functional and phenolic groups present in the resveratrol were tested using standard methods. Aromaticity and the melting point were also determined. In the preparation of the resveratrol derivatives‚ the first two resveratrol extracts were dissolved in dry
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principal element. • Carbon is special because it has 4 bonds. Functional Groups • Organic substances are organized into organic families. • Organic Families – group of organic compounds with common structural features. o Each family has a recognizable physical property and a specific structural arrangement. o Each combination is referred to as a functional group. o Even though many functional groups exist‚ they essentially consist of only 3 main components.
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Introduction Esters derive from the reaction between a carboxylic acid and an alcohol (Figure 1). Figure 1. The General Reaction Equation of Ester Formation From A Carboxylic Acid & An Alcohol. Carboxylic acids contain the functional group –COOH whereas in ester’s the hydrogen is replaced with an R denoting any alkyl or aryl group; -RCOOR’. Esters with low-molecular weights are commonly used as components in the flavor’s and odors of many fruits & fragrances’ as well as to enhance foods & beverages
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Our Infrared Spectroscopy (IR) spectrum for our Acetaminophen KBr pellet provided a handful of strong peaks and hints that helped us to hypothesize what functional groups might be in Acetaminophen. The peaks that were at the highest wavenumbers were analyzed first. The strong peak at 3325.82 cm-1 was an indicator that there was stretching occurring between a Hydrogen and Nitrogen atom. This signified that Acetaminophen could contain an amide group. The next defined peak is located at 3162.26 cm-1
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UNIVERSITY TUNKU ABDUL RAHMAN FACULTY OF SCIENCE BACHELOR OF SCIENCE(HONS)BIOCHEMISTRY YEAR 1 SEMESTER 1 UDEC1164 ORGANIC CHEMISTRY Name: Cheong Wai See Student ID: 1404057 Practical Group: 1 Title of Experiment: Name of Tutor: Dr. Mohammod Aminuzzaman Date: 24 February 2016 Tiltle: Nitration of Methyl Benzoate Objectives: -To prepare methyl-3-nitrobenzoate from nitration of methyl benzoate by electropilic aromatic substitution. -To calculate the percentage yield and get the melting point of methyl-3-nitrobenzoate
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