G.R. No. 183053 June 16‚ 2010 IN THE MATTER OF THE INTESTATE ESTATE OF CRISTINA AGUINALDO-SUNTAY; EMILIO A.M. SUNTAY III‚ Petitioner‚ vs. ISABEL COJUANGCO-SUNTAY‚ Respondent. D E C I S I O N NACHURA‚ J.: Unlike Pope Alexander VI1 who‚ faced with the impasse between Spain and Portugal‚ deftly and literally divided the exploration‚ or more appropriately‚ the riches of the New World by issuing the Inter Caetera‚2 we are confronted with the difficult‚ albeit‚ all too familiar tale of another
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dipole (polar bond) which makes the molecule experience dipole-dipole forces; Trans also have polar bond‚ but due to its structure‚ the polarity may canceled out. Alkane<alkene<alkyne<ether Medium boiling point group: ketones‚ aldehydes‚ amines and esters This group of compound are all polar compounds‚ in other word‚ the strongest intermolecular force is dipole-dipole‚ which is much stronger than dispersion. For ketones and aldehydes‚ they both have oxygen‚ but oxygen is not bonding with hydrogen directly
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transferred along with the aqueous layer when the aqueous layer was getting separated from the organic layer by a pipette. One of the methods that favors the formation of an ester can be made by adding excess acetic acid and another method is conducting Fischer esterification‚ which water will be removed to form the ester. There are several ways to have more isopentyl acetate. First‚
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Helical Model of Communication Frank E.X. Dance or Frank Dance‚ born in November 9‚ 1929 in Brooklyn New York. He went to parochial elementary schools‚ a Jesuit high school (Brooklyn Preparatory)‚ a Jesuit undergraduate school‚ (Fordham University) and did his M.S. and Ph.D. at Northwestern University. He spent 3 years in the US Army. His Military Occupational Specialty was as a translator (Viatnamese). Who is the proponent? S Helix “an object having a three-dimensional shape like that of
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Trebron Lucero Happy Birthday! :) Top of Form Bottom of Form Boris Nolasco Happy birthday (: Top of Form Bottom of Form Maha Zafar Happy Birthday‚ have a great one :) Top of Form Bottom of Form Monique Abastillas Caffé Happy birthday again lol im right next to you right now. But I’ll just post on your wall. Anyways. . .u da bbeeest ♥ Top of Form Kaizie Duckie de Mesa Happy Birthday Caitlin Macavinta and Anjali Sawh :D :D :D ♥ Top of Form Bottom of Form
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Bloomingdale’s one lunch hour [...]” This elongated‚ plosive sentence with a clear fast rhythm is such a sharp change and involves such strong deviation and unnecessary description that it feels very much like Ester is trying and failing to change the subject which emphasizes this forced feeling. Yet whilst Ester isn’t comfortable at the beginning of the novel by the end she certainly is and in part due to this forced admittance she never seems
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acetic acid and Isopentyl Alcohol‚ using a strong acid as a catalyst. The product was washed‚ and distilled. This approach is called Fisher esterification‚ whereby esters are produced by the esterification of a Carboxylic acid where it is heated with an alcohol in the presence of a strong acid which acts as a catalyst. The ester produced had a banana flavor. The extraction of the crude product was conducted using sodium bicarbonate followed by distillation. The resulting product obtained was
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20.0005g Weight of 3mL conical vial with crude ester product: 21.6993g Weight of crude ester product: 1.6988g Therefore‚ the crude % yield is: Crude % yield = (observed/theoretical)x100% = (1.6988g/2.9866g)x100% = 56.88% Discussion: The synthesized product‚ isopentyl acetate‚ is made by the reaction of isopentyl alcohol and glacial acetic acid with sulfuric acid (H2SO4) as the catalyzing agent. The crude ester produced in lab was isopentyl acetate‚ because
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acetylsalicylic acid by esterification. Introduction: A pleasant‚ often fruity‚ odor is characteristic of some of the simpler esters. Ethyl butyrate smells similar to pineapples‚ the odor of n-propyl acetate is reminiscent of pears and isopentyl acetate has a strong banana fragrance. Esters are derivatives of the carboxylic acids and contain the following functional group: The synthesis of an ester can be accomplished in one of several ways. An esterification occurs when an alcohol and a carboxylic acid are reacted
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be found in other organisms. The purpose of this lab was to synthesize the ester isopentyl acetate via an acid catalyzed esterification (Fischer Esterification) of acetic acid with isopentyl alcohol. Emil Fischer and Arthur Speier were the pioneers of this reaction referred to as Fischer Esterification. The reaction is characterized by the combining of an alcohol and an acid (with an acid catalyst) to yield and ester plus water. In order to accomplish the reaction‚ the reactants were refluxed for
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