Abstract: The purpose of this experiment was to determine the percentage purity of the iron(II) salt in an unknown sample. We performed titrations using Potassium permanganate which is a strong oxidizing agent‚ with unknown sample dissolved in deionized water. The result of the experiment was a 99.5% purity for the anhydrous iron (II) ammonium sulfate. Introduction: In this experiment‚ oxidation/reduction (or redox) will be used in the titration analysis of an iron compound. We will use potassium
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Abstract: The objective of the experiment was to verify the molar volume of a gas and gas constant.¹ The method in which was used to determine the volume of H2 gas at standard temperature and pressure and the gas constant was to measure a strip of magnesium and place it inside the gas buret which contained hydrochloric acid‚ blue dye and distilled water and allow the reaction to occur. Once the reaction was complete and there were no visible gas bubbles‚ the volume was obtained and recorded.
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The main reasons why TRNC had not acquired the right to self-determination begins with the violations of international law and ends with the losing of hope for the re-unification of the island. First of all‚ there have been violations made by Turkey‚ which has led to the lost right of self-determination. The primary reason that the TRNC can not be perceived‚ is the fundamental outcome of Turkey’s unlawful invasion and occupation of the northern part of the island under control‚ that violated the
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Date Performed: September 9 ‚2011 SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSOCIATION CONSTANT OF METHYL RED M.C. Caligagan ‚M.N.Q. Tolentino and M.Q. Clores Institute of Chemistry‚ College of Science University of the Philippines‚ Diliman‚ Quezon City‚ Philippines Received :September 21‚2011 ABSTRACT This experiment aims to determine the acid dissociation constant value of Methyl Red by means of spectrophotometry. Ten samples were spectrophotometrically analyzed under a UV-Vis
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Ngoc Pham Chem162B Lab #2: Trends in Periodic Table Date: 01/10/2011 Lab partner: Ian Bauer Result Section: Table I: The solubility of the alkaline earth metal ions | SO42- | CO32- | C2O42- | IO32- | Mg2+ | S | I | S | S | Ca2+ | I | S | S | I | Sr2+ | S | S | S | I | Ba2+ | I | I | I | S | Key: I- insoluble‚ S-soluble Table II: Color of water (Halide) and Halogen (Hexane) layers | Cl2 | Br2 | I2 | Hexane layer | Clear | orange | Pink | Water layer | Clear‚
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Application of Statistical Concepts in the Determination of Weight Variation in Samples del Castillo‚ Kevin S. Department of Food Science and Nutrition‚ College of Home Economics University of the Philippines‚ Diliman‚ Quezon City‚ Philippines Date: 26 November 2012 ____________________________________________________________________________________ Results and Discussion Statistics is one of the important tools used in chemistry. It defines the measurements gathered‚ and characterizes
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1 Practical report: Determination of concentration using a standard curve Introduction Spectrophotometer is an instrument that confirms the measurement of specified wavelength of light that passes through medium. The measurement of light absorbance by a solution is also done with spectrophometer. Absorption spectrum Spectrometers are mainly and widely functional in identifying the components of solutions that helps determine the components’ concentrations. Compounds are experimentally identified
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Application of Statistical Concepts In The Determination Of Weight Variation In Samples Margabacus Insti of Chemy‚ Univ of the Phili‚ Dili‚ QC ------------------------------------------------- Dept of MolBio and Biotech‚ CS‚ Univ of the Phili‚ Dili‚ QC ABSTRACT ------------------------------------------------- The objectives of the experiment are to use the analytical balance correctly‚ to gain an understanding of some concepts of statistical chemistry‚ and to apply statistical concepts in analytical
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RESEARCH ARTICLE Determination of lead and cadmium contents in sausages from Iran A. Abedi a‚ R. Ferdousi a‚‚ S. Eskandari b‚ F. Seyyedahmadian a‚ R. Khaksar c a National Nutrition & Food Technology Research Institute‚ Shahid Beheshti University of Medical Sciences‚ P.O. Box 19395-4741‚ Tehran‚ Iran (info@nnftri.ac.ir) b Food and Drug Control Laboratories (FDCLs) – Food and Drug Laboratory Research Center (FDLRC)‚ Ministry of Health and Medical Education‚ P.O. Box 11136-15911‚ Tehran‚ Iran
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Andy Chen and Alexander Van Buren 9/15/11 AP Chemistry Dr. Isotone Lab 1: Determination of the Empirical Formula of Silver Oxide Lab Objective: In this experiment‚ the percent composition and empirical formula of silver oxide will be determined. Silver oxide will be heated until it decomposes to silver metal and oxygen‚ and the percent calculation and empirical formula can be calculated based on combining the ratios of silver and oxygen in the reaction. Summary of
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