compounds of life) while all other compounds are called inorganic compounds. Classification of Compounds: A. Binary Compounds 1. Metal and Non-metal Inorganic compounds composed of just two elements‚ metal cations (positive ions) and non-metal anions (negative ions). These are referred to as metal-nonmetal binary compounds. There are two types of metals‚ some metals form cations with only one charge (e.g.Na+‚ K+) while other cations form
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1 Bromthymol Blue‚ 0.04% - 2 mL in Pipet 1 Copper (II) Sulfate‚ 0.2 M – 2 mL in Pipet 1 FDC Blue Dye #-1.0.1% - 2 mL in Pipet 1 Hydrochloric Acid‚ 1.0M-1 mL 1 Lead (II) Nitrate‚ 0.2 M- 2 mL in Pipet 1 PhenolphthaleinSolution1%1mL 1 Potassium Iodide‚ 0.1 M-2 mL in Pipet 1 Silver Nitrate‚ 0.1 N – 2 mL in white Dropper Bottle 1 Sodium Bicarbonate‚ 1 M – 2 mL in Pipet 1 Sodium Hydroxide‚ 1 M – 1 mL 1 Sodium Hypochlorite‚ 1% - 2 mL in Pipet 1 Starch Solution‚ 1% Stabilized - 2 mL in Pipet
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Modified Winkler Method for Dissolved Oxygen Determination Tiffany T. Lee Department of Biological Sciences‚ College of Science University of Santo Tomas‚ Manila‚ Philippines 1008 Date of Submission: February 17‚ 2011 Abstract In this experiment‚ the Winkler Method was used to measure the dissolved oxygen (d.o.) in a water sample from the pond in the Arch of the Centuries which had the owl statues. Then‚ the amount of oxygen is determined through a series of reaction. Usually‚ Winkler
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Chemistry SCH3U Unit 1 Lesson 1 Key Questions 1. List three physical properties and one chemical property of a) an iron nail * conducts heat and electricity well * solid at room temperature * ductile * rusts in water (chemical) b) gasoline * liquid at 20deg C * boils between 20 and 200 degrees Celsius * not soluble in water * flammable in the presence of oxygen (chemical) 2. People in a workplace should have access to MSDS sheets so that * chemicals
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Ind. Eng. Chem. Res. 1994‚33‚1687-1691 1687 Synthesis of Triphenyl Phosphate and Benzyl Benzoate with Phase-Transfer Catalyst in Heterogeneous Liquid-Liquid Reaction System S a t o r u Asai‚’ Hidemi Nakamura‚ Mitsunori Tanabe‚ and Kenji Sakamoto Department of Chemical Engineering‚ University of Osaka Prefecture‚ Sakai‚ Osaka 593‚Japan The synthetic reactions of triphenyl phosphate from diphenylphosphoryl chloride and sodium phenoxide and of benzyl benzoate from benzyl chloride and sodium
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------------------------------------------------- Titration From Wikipedia‚ the free encyclopedia (Redirected from Back titration) Not to be confused with the mathematical notion of tetration. This article is about volumetric titration. For other uses‚ see Titration (disambiguation). A Winkler titration to determine the concentration of dissolved oxygen in a water sample Titration‚ also known as titrimetry‚[1] is a common laboratory method of quantitative chemical analysis that is used
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the factors which affect its lytic activity. The assay method reported by Smolelis and Hartsell (1949) has been found to be accurate and highly adaptable to the study of this enzyme. This report concenms its application to the effect of pH‚ salts‚ ions‚ temperature‚ and manner of preparation of the cell suspension‚ on the activity of lysozyme. MATERIALS AND METHODS Preparation of the cell suspension. To expedite the testing of lytic activity by lysozyme ’and to reduce the possibility of daily
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CHEMISTRY 1184 Laboratory Manual for GENERAL CHEMISTRY I Jim Carroll Roger Hoburg Dana Richter-Egger August 2006 University of Nebraska at Omaha i Table of Contents Table of Contents ......................................................................................................................................... i Chem1184 SYLLABUS............................................................................................................................... ii Preliminary
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present. To access the degree of the alkyl halide formed (1° or 2° halide) and to determine whether Markovnikov’s addition occurred‚ two qualitative tests can be used: (a) reaction with alcoholic silver nitrate solution and (b) reaction with sodium iodide in acetone. For the silver nitrate test‚ one drop of alkyl halide is added to 2 mL of 0.1 M solution of silver nitrate in
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The Causes and Effects of Radiation A Research Paper Presented to Mr. Ronel Ramos Alcasarin St. Catherine Academy In Partial Fulfillment Of the Requirements for ENGLISH IV By: Hazel Dianne S. Cagalawan March 2013 The Research Paper attaches hereto‚ entitled The Cause and Effects of Radiation Prepared and Submitted by: Hazel Dianne S. Cagalawan In Partial fulfillment Of the Requirements in ENGLISH IV is hereby accepted: Mr. Ronel Ramos Alcasarin
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