Chemistry IA Aim: Calculate the percent composition of Calcium carbonate in egg shell Equipment: Pestel Mortar Conical flask Egg shell Measuring cylinder Balance Hydrochloric acid (1 mol/dm cube) Sodium hydroxide (1 mol/ dm cube) Pipette Burette Clamp Beaker Phenolphthalein Safety: Wear eye goggle during an experiment because of the strong hydrochloric acid In case‚ if there is an acid contact your skin‚ quickly wash your skin with water Pour acid on body level so it does not
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Ethiopia has one of the strongest histories of any country in Africa. With the exception of a brief Italian occupation that only lasted five years Ethiopia has remained independent for the rest of their history. However that does not mean that the country has not had its fair share of political and military battles. The most recent change of power was in 1991 when the former military junta or coup groups that had gained power collapsed. The military group was known as the Derg and was plagued by
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My hometown is one of the best places around the globe. My classmate is planning to visit my hometown‚ should visit some of the places which are rare for others to see and are not widely famous because world does not know much about those places. I have been seeing these places since I was a little kid and liked a lot. I am hoping that my classmate will always cherish the time spent in my hometown. Visit “Thomas” lake‚ which is located in between three small mountains. This lake
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Only human who questions their existence and only care for their well-being life while all other animals and plants continue to live without bothering about this question. Money is the most concerned thing in life that combines both good and bad aspects. Time is the most valuable thing that human can spend. Therefore‚ in my opinion‚ life‚ money and time are the most necessery things in this world that really interest me to learn how to live happily and sucessfully‚ how is money’s
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Edgar Allan Poe’s The Philosophy of Composition was written in 1846‚ and according to my perception of what he writes‚ it was first of its kind. None before him had dared to reveal their creative process‚ as difficult and complex as it is‚ and for this they received particular criticism from Poe himself. It seems to me‚ that although he respects that other writers consider the creative process a secret or merely a sled of unexpected mind twists and mysterious thought processes‚ he himself wanted
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Due: November 4‚ 2012 Percent Composition of Hydrates Lab Report Michelle Sims Due: November 4‚ 2012 Percent Composition of Hydrates Lab Report Michelle Sims Purpose: Demonstrate proficiency in using the balance and Bunsen burner. Determine that all the water has been driven from a hydrate by heating your sample to a constant mass. Relate results to the law of conservation of mass and the law of multiple proportions. Perform calculations by using the molar mass. Analyze the results
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Molly Period 4 World Lit/Advanced Comp Unit 4 Essay Test Literature from the medieval time period is mostly about one person and their problems. The tales describe a mistake made by an individual (mortal/god or goddess) and provide insight into the individuals destiny and fate. Destiny and fate were very influential to a person or characters life during this time period. The central concern of medieval literature is the individual person working out his or her individual destiny through the
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Composition has been monumental in helping me realize that I wasn’t as good of a writer that I thought I was. Throughout the semester‚ my papers gradually improved in grades‚ but also in quality. Prior to this semester‚ I was unaware that visualization was even a thing‚ and thought that showing not telling was for frivolous floosies who didn’t know how to write anything meaningful. This class has changed my perspective on the importance of imagery and creating a better experience for the reader.
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Key Terms: Mineral- a naturally occurring‚ inorganic solid that has a crustal structure and a definite chemical composition Rock- a large mass of stone Organic- derived from living organisms Inorganic- not derived from living organisms Pure Substance- a form of matter that has a constant chemical composition and characteristic properties. It cannot be separated into its several components without breaking its chemical bonds. Element- a substance composed of a single kind of atom
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John Beswick Laura Gelwicks Composition 1 April 4‚ 2024 Pasture work I trudged into the sandy Corral. There are faint sounds of people playing‚ laughing‚ and driving their boats on the lake. The Carroll is packed with cows and calves getting a drink‚ each of them drooling as they wait their turn to drink the cold water. Pesky flies attack them in the thousands‚ picking at the eyes and biting them on their backs. The flies are maneuvering the cattle tails that swing trying to hit them. Relieving themselves
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