quality. This glue that we made can’t be used as stick glue because the glue that we made is liquid. This study is limited only for paper‚ cloth and wood. F. Definition of Terms: Cigarette filter- is a foam-like found at the end of the cigarette. Acetone - is a liquid solvent for certain oils‚ etc. - a co9lorless‚ extremely flammable liquid‚ used as a solvent. Nicotine - a poisonous liquid in tobacco - a poisonous alkaloid‚ derived from the tobacco plant used in medicine and as an insecticide.
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Lab #4 The Synthesis of Organic Polymers CHM2123‚ Section C October 21‚ 2014 Introduction: Organic polymers are macromolecules that are composed of smaller molecules called monomers. There are two main groups of polymers: natural polymers and unnatural (synthetic) polymers. Natural polymers include proteins such as cellulose and starch and are a necessity for our existence. On the other hand‚ synthetic polymers such as the polycarbonate in our lab goggles
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ratios that govern the disappearance of reactants and the appearance of products. Knowing the mole ratios in a balanced chemical equation is essential to solving stoichiometry problems. General Chemistry 1 Lab Acetone Copper wire 3
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Biodegradation of Hydrocarbons from Crude Oil by Pseudomonas putida A Project done under the guidance of Dr. K. Bharathi Department of Biotechnology. Submitted to the faculty Of Department of Biotechnology National Institute Of Technology‚ Warangal (A.P) Submitted By Febin P. Nalpady‚ Anzal Rahman‚ Shruti Sharma‚ Sindhuja Nandiraju‚ Giraboina
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determine the solvent wherein the tannins can be best dissolved using Distilled water‚ Alcohol‚ Ether and Acetone. Table 3 Results of Solubility test Distilled water Soluble Alcohol Insoluble Ether Insoluble Acetone Insoluble The table 3 shows the result of solubility test conducted using Otaheitte Gooseberry leaves. Tannins are soluble in water and insoluble in alcohol‚ ether and acetone (organic solvents). 2.3 Melting Point 3. Chemical Properties of Tannins Expected Actual a). Ferric
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INTRODUCTION 1.1 Background of the Experiment Mass density describes how heavy an object is. Defined by the Greek letter ρ‚ read as rho‚ density is a basic yet important physical property of matter. For a bulk body without accounting its existing pores and voids‚ density is represented by the ratio of its mass and volume. It is given by the equation ρ= massvolume 1. The SI unit of density is kg/m3. However‚ its CGS units‚ g/cm3 or g/ mL‚ are the most commonly used ones in the laboratory. The
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Endocrinology – Case study 1 A 37 year old female with a recent history of dizziness‚ shakiness and intolerance to heat and sees her GP. Her blood tests come back as normal apart from a thyroid stimulating hormone (TSH) of <0.05 mU/l and free thyroxine (T4) of 30.1 pmol/l. Normal Ranges of TSH‚ T4‚ and T3 The results received from the patient blood tests indicate abnormal levels of these hormones. The reference ranges of these hormones are: TSH has a range of 0.4-4.5 mU/l‚ free T4 has a range of
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of hair samples 1. Stainless Steel Scissors 2. Plastic bags 3. Gloves 1. Hot water 2. Ethanol Washing the hair samples 1. Forceps 2. 100 ml beakers 3. Electronic weighing balance 4. Magnetic stirrer 5. Magnets 6. Filter paper 1. Diethyl Ether 2. Acetone 3. Deionised water 4. pH 6 Shampoo Digestion of hair
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equivalent Density (1S)- (-)-borneol 154.25 0.3618 g 2.35 1 1.011 Glacial Acetic Acid 60.05 0.3 mL 5.25 2.23 1.05 Acetone 58.08 1 mL 13.5 5.74 0.785 Sodium hypochlorite 52.46 6 mL excess Excess 1.11 mL excess 1.011 mL excess 1.011 mL excess Limiting Reagent: 1S - (-) - borneol. Procedure Observation 1 - 1. In a 10 mL round bottom flask‚ a stir bar‚ 0.3 g of Borneol‚ 1 mL of acetone‚ and 0.3 mL of glacial acetic acid were added. Following that‚ a reflux condenser was attached to the round bottom
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In this lab‚ we extracted spinach pigments‚ and analyzed what colors of light these pigments absorb. By using TLC plate‚ hexane and acetone‚ I separated the pigments of spinach‚ and discovered that the main pigments were green and yellow. This works because with different polarities‚ pigments move at different rates. Hexane and acetone were also used to separate chlorophyll and carotene from spinach. Since they are polar‚ they can separate organic and inorganic things. From the experiment‚ I know
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