The Crystal Palace is a vital part of England ’s history. Constructed in the midst of England ’s Victorian Era‚ the Crystal Palace was conceived to symbolize this industrial‚ military and economic superiority of Great Britain ("The Great Exhibition at the Crystal Palace"). The Crystal Palace was designed by Joseph Paxton for the purpose of hosting the Great Exhibition in 1851. The construction of the Crystal Palace was rapid due to the controversial design of Joseph Paxton. Therefore‚ the Crystal
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CH1105: Materials Science Crystal Structure Assoc/Prof Timothy Tan Office: N1.2 B2-34 B2Tel: 6316 8829 E-mail: tytan@ntu.edu.sg Semester 1‚ 2013-2014 2013School of Chemical and Biomedical Engineering Why study structure of crystalline solids? To understand how atoms assemble geometrically into solid structures To describe the structure of solids To relate material properties to its structure 2 Energy and Packing Dense‚ regular packing Energy typical neighbor bond length typical
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flinnsci.com Liquid Chromatography AP Chemistry Laboratory # 18 Publication No. 10535A Catalog No. AP9093 Introduction In this experiment‚ liquid chromatography is used to separate the substances that are present in grape-flavored Kool-Aid®. First‚ the dyes responsible for the purple color‚ FD&C Blue #1 and Red #40 are separated. Then‚ in a second experiment‚ the other components of Kool-Aid®‚ the flavorings and citric acid‚ are separated as well. Concepts • Resolution • Liquid chromatography
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SECTION - A 1. Name the technique to separate [1] (a) Salt from Sea – water (b) Butter from curd 2. Define velocity. [1] 3. What do you mean by free fall? [1] 4. Mention any 2 advantages of using Italian bee variety in honey production. OR (a) Identify soluble and solvent in the following solutions: [3] (i) Aerated drinks (ii) Tincture of iodine (iii) Lemon water (b) State the principle of each if the following methods of separation of mixtures
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Experiment 5 Liquids and Solids Chemistry 1211 Fall 2012 Section 1: Abstract‚ Experiment and Observation Abstract: The purpose of this experiment is to determine the boiling point of a liquid and the melting point of a solid. We also were able to observe the difference between boiling and melting point Experiment and Observation: We used isopropyl alcohol and set up an experiment to observe the boiling point. We set up a second experiment using acetamide to determine
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Crystal Needles: Crystal Needles are a great introduction to crystal growing. You can have some delicate‚ really cool crystals going within three hours time! Ingredients: •a cup or small bowl •1/2 cup Epsom salt (magnesium sulfate) •1/2 cup hot tap water •(optional) a drop of food coloring Directions: 1.Add the ingredients together in your bowl or cup. 2.Stir the solution until all the salt is dissolved. There may be some crystals still at the bottom‚ but that’s ok. 3.Place the cup
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Crystal Research Paper A crystal is made up of the same materials that a regular glass is made of‚ such as silica‚ soda‚ and lime‚ but the addition of lead oxide is what gives crystals their shine. A bead has to have 24% lead oxide added to qualify as leaded crystal. Contrary to the popular belief‚ crystals have been around for a long time. Ancient Egypt‚ Rome‚ and other groups have all used crystals for various purposes. It was used in medicine‚ magic and rituals‚ as offerings and currency‚ as
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Experiment 1: Viscosity of Liquids Victoria Kulczak Lab Partners: Laina Maines & Heidi Osterman Date of Lab: 2/21/11 Due Date: 2/28/11 Abstract: The goal of this experiment was to determine the viscosity of given liquids. Two different methods were employed‚ the first measures time of flow of several methanol-water solutions‚ from point A to point B. The second method involves dropping a foreign object‚ in this case a sphere‚ into a cylinder of glycerol and measuring the time it takes for it to
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Name Date Lab: Denisty – Solids and Liquids Part 1: Density Background Information: The density of an object is how much “stuff”‚ or molecules‚ a substance is made of. Density is how tightly packed the molecules are. To calculate the density of a substance we need to know the mass (weight) of the substance and the volume (how much space) of the substance. Mass is determined by weighing an object. Volume of regular shaped objects is calculated by measuring
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resulted in a much lighter coloration than the crude acetaminophen. Purified acetaminophen was slightly light tan/pink nearly white‚ whereas crude acetaminophen was light brown. After crystallization of acetaminophen‚ 0.028g of whiter‚ shiny‚ fine crystals resulted with no apparent odor. Slightly less than half of product was lost from 0.060g purified acetaminophen that was crystallized and about 0.122g was lost from the original 0.150g of p-aminophenol started with. The melting point range of the
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