A Report of Experiment 1 Purification and Identification of An Unknown Mixture Aim To separate a mixture of a neutral (ester‚ alcohol‚ ketone‚ aldehyde or ether) and an acidic compound (phenol or carboxylic acid) or a neutral and a basic compound (amine)‚ and to identify the unknown mixture by physical (M.P. or B.P.) and spectroscopic methods (NMR‚ IR and MS). Method The mixture (sample number: 27) was dissolved in 200 mL of CH2Cl2 and then extracted with 10% NaOH. The acid was removed
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Identification of Unknown Carbohydrates using various biochemical tests Date of experiment: 11/10/2012 Name of Student: Vicki Marshall Introduction A series of biochemical tests was carried out to identify unknown carbohydrates. There were six carbohydrates that needed to be identified; they have been randomly labelled A-F. The carbohydrates are glucose‚ fructose‚ maltose‚ lactose‚ sucrose and starch. There was six tests that were carried out to help identify them‚ these were: Iodine Test
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Jeramie Janine B. Rellora Geol 1 - THV 2008-17299 Prof. Mario Aurelio Tuesday March 06‚ 2012 Negros Quake‚ Disaster from the Unknown: A Reflection Paper When I first heard about the news from my older sister regarding of what had happened in the Northern part of Negros‚ I was surprised to know that there was actually no particular fault line declared and suspected before in the said affected area. In point of fact‚ before I read the article of my Professor in my
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WOMAN UNKNOWN- Rabindranath Tagore **************************************************************** By P. Baburaj‚ Senior Lecturer‚ Dept. of English‚ Sherubtse college‚ Bhutan Author of: Language and writing‚ DSB Publication Thimphu Communicative English‚ P. K. Books‚ Calicut A perception on Literary Criticism‚ P.K. Books‚ Calicut ****************************************************************** First person narrative. A 27 year old man namely Anupam who is immersed in Indian tradition and
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The Unknown Side of This so Called Paradise The novel This Side of Paradise by F. Scott Fitzgerald‚ is not merely a love story‚ but a description of a search for self-realization and the ability to fit in society. The protagonist‚ Amory Blaine‚ finds himself falling in love with a woman who is looking for wealth and social rank over love in a man. Amory searches to find the truth in himself when all his attempts at succeeding‚ whether in his love or academic life‚ fail and he is left doubting himself
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space explorations to discover other galaxies‚ stars‚ and possible life forms that cease to exist outside the planet. We tend to cross the boundary of what we learn from one thing‚ going to another. If I were to visualize this avenue of reality and unknown reality‚ Reality is already a familiar path we walk on yet there are roads that
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The use of positive and negative controls to determine the macromolecules present in an unknown solution Course # 6130‚ Wednesday‚ 7-10 PM‚ B2-151 Lab performed: September 21st‚ 2011 INTRODUCTION Every living thing is dependent on large complex molecules‚ known as macromolecules. The objective of this lab was to correctly identify which macromolecules the unknown solution was comprised of using various substances as experimental controls. There are four major types of biological macromolecules
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DETERMINING THE EQUIVALENT MASS AND DISSOCIATION CONSTANT OF AN UNKNOWN WEAK ACID BY TITRIMETRY INTRODUCTION Acids are substances that donate hydrogen ions and bases are substances that accept hydrogen ions. Acids and bases react with each other by transferring hydrogen ions. One way to distinguish an acid is by its equivalent mass‚ which is the number of grams of the acid needed to transfer one mole of hydrogen ion to a base. For a monoprotic acid‚ which only transfers one hydrogen ion‚ its
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The fear of the unknown is a common Gothic theme that is used to create fear and uncertainty in the responder. This is achieved through the use of a number of different techniques and conventions. The fear of the unknown is expressed through dark‚ uncertain and mysterious circumstances cause responders to feel vulnerable and fearful. In Bram Stoker’s Dracula the overpowering force of the sublime‚ the prominence of religion‚ death and use of darkness accompanied by typical Gothic techniques evoke
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Part I: Density of Unknown Liquid Trial 1 Trial 2 Trial 3 Mass of Empty 10 mL graduated cylinder (grams) 25.55 25.56 25.55 Volume of liquid (milliliters) 8.8 8.65 8.5 Mass of graduated cylinder and liquid (grams) 30.65 30.62 30.565 Part II: Density of Irregular-Shaped Solid Mass of solid (grams) 39.537 38.515 40.975 Volume of water (milliliters) 50.01 49.9 52.4 Volume of water and solid (milliliters) 54.9 54 57 Part III: Density of Regular-Shaped
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