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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centimeters‚ slightly compressed‚ and provided with a thin‚ crustaceous epicarp and a pulpy‚ acid‚ edible mesocarp. The young leaves flowers‚ leaves‚ and young pods are being used by people for seasoning foods like “sinigang”. The pulp surrounding the seeds‚ called “malasebo” is eaten outright either with or without salt (E. Quisumbing‚ 1951). Sampalok pulp contains Pectin which can be useful in our society and possibly be extracted. Pectin is a structural heteropolysaccharide contained in the primary cell
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Essay #3: The Seeds of Independence Revolutions are like plants. If the seeds are planted and nurtured‚ the plants will grow. Yet‚ if the plants aren’t taken care of‚ they won’t survive. The seeds of independence that grew into the American Revolution were: the early settlers of America learned how to survive on their own‚ they learned how to thrive and become wealthy‚ and then learned that Britain was taking advantage of them. A comparison of the aspects of the American Revolution‚ which allowed
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Tattoos: A History of Skin and Ink Ralph Bianco Axia College What is a tattoo? A tattoo is a design made or a permanent mark within the skin made by the operation of picking while leaving behind an ineffaceable ingraining of coloring into the punctures or by scar rising. That would be the definition‚ however‚ a tattoo‚ to many‚ has a more personal‚ abstract meaning. To many people tattoos would symbolize religion‚ status‚ experiences‚ art and individuality. Just as fascinating‚ is the history
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The purpose of the DNA extraction lab was not only to inform students on how DNA is present in humans and all organisms‚ but to also educate them on how DNA can be extracted using common household materials. Also‚ the lab was very efficient as it introduced the students to extracting their own DNA found on their cheek cells as well as letting them take an observation on how DNA appears or how it is formed. Additionally‚ students were instructed through a very clear and simple procedure‚ which guided
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What is the purpose of Seeds of Deception by Jeffrey Smith is about exposing the lies about Genetically Modified Food? Exposing the industries‚ the health dangers of Genetically Modified Organisms. He documents how the world most powerful Bio-Tech companies bluff and mislead critics‚ and put the health of society at risk because they are greedy and don’t care about the consumer’s health and well-being. Without knowing it‚ Americans are eating Genetically Modified Food every day. While the food
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White Ink Tattoo and UV Tattoo Academic English I: Essay I Herlan Wijaya (1701320762) Binus International University Tattoo one of the ancient arts that was firstly found by an accident. According to an article about History of Tattooing‚ tattoo was originally from “Someone with a small wound or gash happened to rub it with a dirty hand that was covered with soot or ash. Once the wound had healed‚ they realized that the skin had healed over the ash and that the mark became a permanent addition”
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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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Margaret Atwood’s Hag-Seed is a “take on Shakespeare’s play” The Tempest. The plot focuses on Felix and how he represents‚ as well as performs as‚ Prospero. The story of Felix and the story of Prospero are often parallel to one another. However‚ the conclusion of the play and Atwood’s novel do not seem to line up with one another. Atwood offers a summary of The Tempest at the end of the novel and this summary describes how Prospero ends the play‚ “Prospero finished the play with an epilogue‚ in which
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