Purpose: I will identify an unknown liquid by obtaining an average density & boiling point for my liquid and comparing them with the known densities & boiling points of liquids in the CRC handbook of Chemistry & Physics. I will perform these experiments using three different measuring tools (graduated cylinder‚ burette & pipette) to evaluate the precision of each one. Results: Density 1‚ 2 & 3 calculated by using graduated cylinder to obtain volume. Density 4‚ 5 & 6 calculated by using volumetric
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nd SOLID MENSURATION REVIEWER (2 Semester 2011-2012) PYRAMIDS 1. A vessel is in the form of an inverted regular square pyramid of base edge 13 cm and the altitude is 25 cm‚ how many liters are in it when the depth of the water is 15 cm? A(small Square) h(Water) A(Big Square) = h(container) 2 A(small Square) 15 2 = 252 13 2 2 (15 )(13 ) 2 A(small Square) = 25 2 A(small Square) = 60.84cm 1 V = 3 Bh 1 V= 3 (60.84)(15) 3 V=304.2 cm 0.304.2 L 2. The lateral faces of
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quantity of heat involved in three reactions. These heats of reaction will be measured using a styrofoam calorimeter. The three reaction are shown below. Reaction 1: The dissolving of solid sodium hydroxide in water. NaOH(s) ---> Na+(aq) + OH-(aq) + heat Reaction 2: The reaction of solid sodium hydroxide with dilute hydrochloric acid. NaOH(s) + H+(aq) + Cl-(aq) ---> Na+(aq) + Cl-(aq) + H2O Reaction 3: The reaction of sodium hydroxide solution with
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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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main commercial product of the cashew tree is the nut Cashew Nut (Anacardium occidentale) Introduction Cashew Nut Shell Liquid (CNSL) is the versatile by product of the cashew industry. The Cashew Nut has a shell of about 0.1 inch thickness inside which is a soft honey comb structure containing a dark reddish brown viscous liquid. It is called the Cashew Nut Shell Liquid (CNSL) which is the pericarp fluid of the nut. It is often considered to be better as well as cheaper material containing unsaturated
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Liquid Crystal Display A liquid crystal display (LCD) is a flat panel display‚ electronic visual display‚ or video display that uses the light modulating properties of liquid crystals. Liquid crystals do not emit light directly. LCDs are available to display arbitrary images (as in a general-purpose computer display) or fixed images which can be displayed or hidden‚ such as preset words‚ digits‚ and 7-segment displays as in a digital clock. They use the same basic technology‚ except that arbitrary
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An open dump is defined as abandoned piles of household garbage‚ bags of yard waste‚ appliances‚ old barrels‚ used tires‚ and demolition debris such as lumber‚ shingles‚ pipes and asbestos can threaten the health of humans‚ wildlife‚ and the environment. (Epa.state.il.us‚ 2014) Open dumps pose the following health‚ safety‚ and environmental threats: • Fire and explosion • Inhalation of toxic gases • Injury to children playing on or around the dump site • Disease carried by mosquitoes‚ flies
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FE 106 GENERAL CHEMISTRY EXPERIMENT-1 DENSITY OF LIQUIDS PREPARED BY BURAK COBAN PURPOSE: In this experiment we will learn how can we find the density of liquids and liquids of density how change effect of temperature‚ pressure‚ mass‚ volume and concentration. For this reason we will take NaCI solutions with different concentrations and we will measure their densities‚ so we will find out the effects of concentration on density of solutions. THEORY:
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Solids: Recrystallization and Melting Points Reference: Chapter 3. Solids: Recrystallization and Melting Points. Read pages 93-94 and 113-117. Experimental procedure‚ pages 118-119. Parts 1-3. Part 1: Melting points of Urea and Cinnamic Acid. Part 2: Melting point of unknown. Part 3: Melting point of Mixture- Urea and Cinnamic Acid (take melting points of mixtures in 1:4‚ 1:1 and 4:1 ratios). Reactions Main Reaction: Not a chemical reaction but a physical reaction. Urea in solid mixed with
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Acetaminophen Abstract: The aim of this experiment is to prepare Acetaminophen (p-acetamidophenol)‚ an amide. Acetaminophen will be created by treating an amine (p-aminophenol) with an acetic anhydride. Color impurities present in the solid acetaminophen will be removed and then the decolorized product will be collected on a Büchner funnel for further purification by crystallization. Purity will then be determined by melting point. Introduction: Acetaminophen is commonly used as an analgesic to
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