its mixture using acid-alkaline extraction. 2. To determine the percentage recovery and melting point of benzoic acid and p-diclorobenzene. Apparatus:Separatory funnel(250mL)‚Buchner funnel‚beaker. Materials:Benzoic acid‚p-dichlorobenzene‚ether‚10% NaOH‚conc.HCl‚distilled water‚ anhydrous CaCl2. Introduction: Organic compounds in an aqueous mixture can be separated by shaking the aqueous solution with a solvent which is immiscible with water. Extraction involves dissolving either a
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Mitch Terrell Mrs. Kangas Honors English‚ Hour 3 3-24-14 The American Dream or an Onion The American Dream is an endless onion. One will find endless layers of the American dream onion to peel back in order to grasp for an unattainable center. Only tears will be achieved from this endless peeling of the onion ’s layers. F. Scott Fitzgerald believed this metaphor to be true and that is evident in his Novel The Great Gatsby and his short story "Winter Dreams." The illusion and the empty promises
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Abundance and Extraction of Metals 1. a Mineral - A mineral is a naturally occurring inorganic solid‚ with a definite chemical composition‚ and an ordered atomic arrangement. b Ore - Deposit in the Earth of valuable metals contained in minerals. c Economic Natural Resource Deposit - This is a natural deposit of something that is economically viable to mine‚ refine and sell. Hence the deposit must be big enough to last for a large period of time‚ so that it will make enough money for the
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Definition of Terms The following terms were defined for the readers to have a better understanding of the reserch paper. Active constituent. It refers to the component of the plant responsible for the exhibitory activity of the drug.1 Agar. It is gelatinous colloidal extractive of a red alga (as of the genera Gelidium‚ Gracilaria‚ and Eucheuma) used especially in culture media or as a gelling and stabilizing agent in foods.2 Agar-well diffusion method.3 It is a method of bioassay wherein
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in uenced by e Innovator’s Dilemma and e Innovator’s Solution. Now e Innovator’s DNA shows where it all starts. is book gives you the fundamental building blocks for becoming more innovative and changing the world. One of the most important books to come out this year‚ and one that will remain pivotal reading for years to come.” Chairman and CEO‚ salesforce.com; author‚ Behind the Cloud “ e Innovator’s DNA is the ‘how to’ manual to innovation‚ and to the fresh thinking that is the root
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In the book “The DNA of Relationships” Dr. Gary Smalley gives many examples of how to handle rough patches in a relationship. He gives advice on things you need to work on in yourself before confronting your partner‚ or friend. He also lists many fears and our reactions to these fears. It is a good book to read whether you are in a relationship or not. Dr. Smalley discussed fears in chapter two. There were several fears that stuck out to me while I read through the list. I recognized these fears
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EXTRACTION AND CHARACTERIZATION OF PROTEINS Abstract Different techniques and principles for protein extraction and characterization were demonstrated in this experiment. Various proteins were extracted from different sources: 1.67 g yeast invertase‚ 1.03 g egg white albumin‚ and 5.15 g of milk casein. Activity assay for invertase was performed using Benedict’s test and the enzymes inverting action on sucrose was confirmed. Warburg-Christian Method and Bradford Assay were also employed to determine
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environment will be polluted. Chemicals also are harmful to our health; it may cause a sudden death in case of improper handling. That’s why we invented an organic fungicide‚ a safer and more effective one. * General Objectives we invented the onion as an organic fungicide because we want to increase the agricultural production of our country without harming our environment and harming our own health too. * Specific Objectives to control the use of substances that may bring harm and a tremendous
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the structure of DNA and discuss how it facilitates the ability of DNA to act as genetic material • Compare and contrast prokaryotic and eukaryotic chromosomes • Describe the process of DNA replication as a semi-conservative process. Compare and contrast the synthesis of the leading and lagging strands in DNA replication. • Explain how the genotype of an organism determines its phenotype. • State the central dogma of genetics and explain the roles of DNA and RNA in polypeptide
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POEM ANALYSIS In the poem “Monologue for an Onion” by Suji Kwock Kim‚ the onion metaphor is the centerpiece of the poem. The onion represents the poet‚ and the person she addresses (the reader assumes) is her lover. The onion metaphor is used to convey the message to this anonymous lover that she is by nature heartless and that he should stop trying to unearth a hidden core. The author is trying to dissuade her lover from further fruitless digging which only seems to cause him distress. The speaker
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