resins‚ resin dispersions‚ and polymer raw materials. These products are used for a variety of purposes ranging from packaging to automotive paints to disposable diapers. Fibers Manufactured from high sulfur coal and wood pulp‚ Eastman makes acetate tow‚ acetate yarn and acetyl chemical products. These fibers are used in apparel and home furnishings as well as cigarette filters and industrial applications. Performance chemicals and intermediates Raw materials including propane‚ ethane‚ high sulfur
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Project 1: Polymer Ball Vivian Kim General Chemistry 2045L Introduction Our assignment in this project was to create a bouncy ball for a company using polyvinyl alcohol (PVA)‚ polyvinyl acetate solid and sodium borate‚ by varying the ration of ingredients and to determine the best recipe for our bouncy ball. The company chose the materials because of their odorless and nontoxic properties. PVA is a water-soluble synthetic polymer and has adhesive properties
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polyvinyl acetate (PVAc) and we reacted them with sodium borate (borax). Polyvinyl acetate (PVA) is a water-soluble synthetic polymer. It has the idealized formula [CH2CH]n. Polyvinyl acetate (PVA) is a synthetic resin polymer. The chemical formula of this component is (C4H6O2)n. The last component is sodium borate (Borax). It is an important boron compound‚ a mineral‚ and a salt of boric acid. The chemical formula for sodium borate is (Na2B4O7·10H2O). In this experiment‚ both the sodium borate
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Sodium is a mineral that is present only in small quantities in most natural foods‚ but salt is added‚ often in large amounts‚ in food processing and by cooks to enhance flavor. Sodium is the predominant ion in extra cellular fluid. Sodium (Na) is the predominant cation in extra cellular fluid and its concentration is under tight homeostatic control. Excess dietary sodium is excreted in the urine. The kidney very efficiently reabsorbs the mineral when intakes are low or losses are excessive. Sodium
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between sodium thiosulphate (thio) and hydrochloric acid. Hydrochloric Acid + Sodium Thiosulphate "" sodium chloride + water + sulphur The reactants are both colourless‚ but one of the products‚ sulphur‚ is yellow‚ so we can use this fact to follow the rates of reaction. I am going to investigate how the concentration of the acid effects the speed of the reaction. Apparatus 1 small measuring cylinder 1 large measuring cylinder 1 small beaker 1 large beaker Hydrochloric Acid Sodium Thiosulphate
Free Chemical reaction Chlorine Sodium chloride
Alyssa Caparelli Organic Chemistry 12A Professor Alston October 28‚ 2014 Isolation of Chlorophyll and Carotenoid Pigments from Spinach Purpose The purpose of this experiment was to isolate ß-carotene‚ chlorophyll-A‚ and chlorophyll-B from spinach using column chromatography. Spinach was dehydrated using ethanol‚ and the pigments were extracted with dichloromethane. The spinach extracts were dried using CaCl2. Then‚ the solid pigments were run through a column using a non-polar solvent‚ hexane
Free Solvent Acetic acid Ethanol
4 Environmental record 5 References 6 External links Business segments[edit] Eastman manufactures and markets chemicals‚ fibers and plastics. It provides coatings‚ adhesives and specialty plastics products‚ is a major supplier of cellulose acetate fibers‚ and produces PET polymers for packaging. The company’s products and operations are currently managed and reported in five operating segments: Additives & Functional Products‚ Adhesives & Plasticizers‚ Advanced Materials‚ Fibers‚ and Specialty
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harmful effects will occur to the consumer if take or used in flavorings of food. Exercises: 1. A.) Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium‚ based on the quantities of the starting materials you used and a value of 4.2 for the equilibrium constant. B.) Estimate the mass of isopentyl acetate that was lost 1) during the distillation. Assume the ester’s solubility in aqueous NaHCO3 is about the
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SODIUM DISORDERS * Identify specific types of hyponatremia and hypernatremia using diagnostic criteria and assessment questions * Hyponatremia * Mild: 125-130 * Nausea‚ Malaise * Moderate: 115-125 * HA‚ Lethargy‚ Restlessness‚ Disorientation * Severe: <115 * Seizures‚ Coma‚ Resp/Brainstem damage * Hypernatremia * Mild: 145-160 * Asymptomatic * Moderate: 160-180
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Objective(s) In this Experiment‚ the relative reactivities of different substituted benzenes towards bromination will be determined‚ where bromine is dissolved in acetic acid. Materials and apparatus Test solutions: 0.2 M solutions in ethyl acetate: Benzene‚ chlorobenzene‚ phenol‚ nitrophenol‚ aniline and acetanilide. Measuring pipettes (5 mL) micro test tubes 0.05 M Br2 in 90% CH3COOH Pasteur pipettes 0.05 M Br2 in cyclohexane II. Schematic Diagram
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