Analysis of a Hydrated Crystalline Compound Katie Sanders Science Block 3 February 29‚ 2012 Title: Analysis of a Hydrated Crystalline Compound Purpose: The purpose of our experiment was to determine the amount of water in copper sulfate pentahydrate expressed as a percent. Hypothesis: I think that bluestone crystals are 20% water‚ because it’s called pentahydrate (penta means five) and 1/5 of 100 (since it’s expressed as a percent)
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Chapter 1 AMAT 170 Chapter 1 The Measurement of Interest Jonathan B. Mamplata IMSP‚ CAS‚ UPLB Jonathan B. Mamplata IMSP‚ CAS‚ UPLB AMAT 170 Chapter 1 Measurement of Interest Introduction Interest It is a compensation that a borrower of capital pays to a lender of capital for its use. It is a form of rent that a borrower pays to the lender to compensate for the loss of use of the capital by the lender while it is loaned to the borrower. Jonathan B. Mamplata IMSP‚ CAS‚ UPLB
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work‚ they would have to use money from a financial reserve like a savings account or a 401k to pay bills. 2. Three to six months of income in a emergency savings account only to be used in the case of an emergency. 3. A savings that offered compound interest because not only will you earn money on what you have saved‚ but you also earn money on the interest you received on that money. 4. Daily compounding because you would have the best annual return‚ the amount would grow faster than annual
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I. DISCUSSION: Differences between organic and inorganic compounds based on structure‚ type of bond and some common physical and chemical properties. II. PROCEDURE: A. SOLUBILITY 1. To 2 mL. each of the following solvents: water‚ ethyl alcohol and ether‚ add a pinch of benzoic acid and shake.
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(because a new substance was formed). QUIZ ANSWERS What is the term for the abbreviation for the name of a chemical compound that indicates the number of atoms of each element? c. chemical formula What is the term for matter having an indefinite composition and variable properties? c. heterogeneous mixture Which of the following laws states that a compound always contains the same elements in the same proportion by mass? d. law of definite composition Which of the
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containing a carboxylic acid and a neutral compound. Once recovered‚ the solids were purified by recrystallization and examined by thin-layer chromatography‚ and their identities were derived by melting point and infrared (IR) spectroscopy. Extraction is a procedure that selectively dissolves one or more of the mixture compounds into a proper solvent. Extraction refers to the moving of compounds from one liquid solvent to another liquid solvent. A compound can be disconnected from impurities in
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EUROPEAN COMMISSION Reference Document on Best Available Techniques in the Ceramic Manufacturing Industry August 2007 This document is one of a series of foreseen documents as below (at the time of writing‚ not all documents have been finalised): Reference Document on Best Available Techniques . . . Large Combustion Plants Mineral Oil and Gas Refineries Production of Iron and Steel Ferrous Metals Processing Industry Non Ferrous Metals Industries Smitheries and Foundries Industry Surface
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A Report of Experiment 1 Purification and Identification of An Unknown Mixture Aim To separate a mixture of a neutral (ester‚ alcohol‚ ketone‚ aldehyde or ether) and an acidic compound (phenol or carboxylic acid) or a neutral and a basic compound (amine)‚ and to identify the unknown mixture by physical (M.P. or B.P.) and spectroscopic methods (NMR‚ IR and MS). Method The mixture (sample number: 27) was dissolved in 200 mL of CH2Cl2 and then extracted with 10% NaOH. The acid was removed
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in ranges‚ am organic compound will have a sharp range depending on the purity of the compound. Impurity of an organic substance will register an abnormal melting point based on its expected propensity observed‚ this will cause the temperature range to widen. Using this hypothesis‚ mixed melting point technique could determine if the unknown compound added to the mixture causes a temperature depression‚ if not‚ the unknown is likely to be the same as your starting compound. Results: Melting
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Teachers’ Notes Written by Bronwyn Owen CAMEL RIDER By Prue Mason Overview For Adam‚ living with his pilot father and family in an expatriate compound in Abudai in the Arabian Gulf‚ life could not be easier. But when war breaks out‚ Adam finds himself alone and attempting to find his way back to the abandoned compound to save his dog‚ Tara‚ who has been left in the mad rush to escape across the boarder. We also meet Walid‚ living a miserable life as a camel rider in a camp on the outskirts
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