Use of Formalin and Other Additives in Foods Formalin is chemical compound that usually people used for durable human and animals corps. Nowadays‚ many people use it for durable foods‚ such as tofu and terasi. The use of formalin and other dangerous preservatives in foods has been a serious problem for three reasons. Firstly‚ formalin is not for human beings‚ but it is for biological specimen and experiments. It is not for food preservative. Of course when it is used for food preservative‚ it
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the second part is to determine the unknown substance‚ by comparing its melting point with two known samples and its melting points. In both cases‚ the melting points of the substances will be used to determining the eutectic point and the unknown compound. Abstract: The purpose of this experiment was to determine the eutectic point for the naphthalene biphenyl mixture‚ as well as determining the melting point of an unknown substance by comparing it with two known samples. We will be constructing
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and INORGANIC COMPOUNDS. Organic Compounds – contain carbon‚ linked with other elements such as‚ oxygen‚ hydrogen‚ nitrogen‚ sulphur‚ iron and phosphorous. Organic molecules are usually large molecules like sugars‚ starch‚ fats‚ proteins‚ vitamins & enzymes. Inorganic Compounds – Usually never contain carbon but does contain Carbon Dioxide. Inorganic molecules such as water‚ mineral salts‚ and gases such as oxygen. INORGANIC COMPOUNDS Inorganic Compounds are compounds that contain
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REPUBLIC OF THE PHILIPPINES ILOCOS SUR POLYTECHNIC STATE COLLEGE COLLEGE OF BUSINESS MANAGEMENT NORTH CLUSTER STA. MARIA‚ ILOCOS SUR IN PARTIAL FULLFILLMENT TO THE REQUIREMENTS OF THE SUBJECT BUSINESS MATH PRESENTED BY: MONICA D. APALLA BSHRM 1A PRESENTED TO: MR. MARVIN GALCON SUBJECT INSTRUCTOR PROBLEM SOLVING INVOLVING INTEREST 1. You put $1000 into an investment yielding 6% annual interest; you left the money in for two years. How much interest
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saving the same amount. If neither touches their money until age 50‚ the person who began saving at age 20 will be more fortuitous in her earnings than the one who began saving at age 30. This is because the person who began saving early was able to compound their interest heavily over the five year period while they were making annuity payments‚ and then let the interest accrue for the remaining period. These two very important features will impact my personal financial goals in a positive way. If
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our air‚ water‚ and soil. Arsenic is usually combined with other elements‚ forming compounds with oxygen‚ chlorine‚ and sulfur; and it is in both organic and inorganic forms. Organic arsenic is combined with carbon and hydrogen‚ where inorganic binds with elements such as oxygen‚ chlorine and sulfur. Common inorganic compounds of arsenic are trivalent arsenic and pentavalent arsenic; and two reocurring organic compounds are monomethyl arsonic acid and roxarsone. Arsenic is released into the air by
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Copyright 02009 by John Wiley & Sons‚ Inc. All rights reserved APPENDIX C COMPOUND INTEREST TABLES 275 P1: OTA/XYZ P2: ABC JWBT106-APP-C 276 JWBT106-Halpin June 26‚ 2009 8:56 Printer: Sheridan Books COMPOUND INTEREST TABLES TABLE C.1 0.25% Compound Interest Factors Single Payment 0.25% Uniform Payment Series Compound Amount Factor Present Worth Factor Sinking Fund Factor Capital Recovery Factor Compound Amount Factor Present Worth Factor Find F given P F/P Find P given F P/F
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of more heat again contributes to an increase in the temperature of the sample‚ now a liquid. This describes the melting of a pure solid. The melting point is characteristic of the compound‚ independent of source‚ purification procedure‚ etc.‚ and is useful in identifying the compound. However‚ many different compounds have identical or very similar melting points. Eutectic diagram is a binary phase diagram shows the phases formed in differing mixtures of two elements over a range of temperatures
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Inorganic Chemistry Activity 1 PROPERTIES OF ORGANIC COMPOUNDS (Sugar) Rainbow Density Column Introduction As a chemical term‚ “sugar” usually refers to all carbohydrates of the general formula Cn(H 2O)n‚ an organic compound. This exercise is focus on sugar as an organic compound and its properties. Objectives: 1. To identify the properties of organic compound - sugar. 2. To observe some physical properties and changes on an organic compound during the actual conduct of experiment. Materials: A
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The Magnesium Oxide Lab In a compound the atoms of different elements are present in numbers whose ratio is usually an integer or a simple fraction. The simplest (or empirical) formula of the compound expresses that ratio. Simplest formulas are determined by establishing the mass of each element present in a sample of the compound. From those masses one finds the number of moles of each element present. The mole ratio is also the atom ratio in the compound and that ratio provides the subscripts
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