AIM: To outline what a precipitation reaction is‚ describe ways which one can predict whether a precipitation reaction would form or not‚ describe the uses of precipitation reactions in everyday activities and industries BACKGROUND INFORMATION: Precipitation is the formation of a solid in a solution during a chemical reaction‚ such as evaporation. A substance that causes precipitation when it is added to a solution is called a precipitant. This can occur when an insoluble substance is formed in
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PROJECT IN CHEM LAB. Submitted by: BHEA MARIE MENDOZA Submitted to: -CATIONS and ANIONS- Cations are positive charged ions. A cation has fewer electrons than protons. Anions are negatively charged ions. An anion has more electron than protons. The nature and magnitude of charge on ion depend on the position of an element in the periodic table. In forming an ion‚ an atom of a main group element loses gains electrons to obtain the electronic configuration of the noble gas
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CHEM 163: SYNTHESIS AND ANALYSIS OF A COPPER(II) COORDINATION COMPOUND INTRODUCTION In this multi-week experiment‚ you will synthesize a compound and then analyze it to determine its empirical formula. The substance you will prepare is a vividly colored coordination compound of copper. Based on the reagents used in the synthesis procedure‚ you can assume that the final compound contains copper(II)‚ ammonia‚ sulfate‚ and water. In
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wastes are not well understood during the process of incineration. Thus‚ the aim of this work is to investigate pyrolysis and oxidation kinetics of the medical wastes‚ including cottons‚ gauzes‚ saline bottles‚ stomach medicines with the thermal gravimetric analysis (TGA) method. Experimentally‚ the degradation of cottons and saline bottles in pyrolysis and oxidation occurred at about 530 K and 510 K as well as 630 K and 530 K‚ respectively. Oxygen affects the degradation reaction of cottons and saline
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Eunjin Choi CHEM 161L (603) 6/2/2014 Lab report 1: Density Purpose: The purpose of this lab was experimentally determining the familiarization between volumetric and gravimetric using common equipment. Procedure: Equipment: Objects for density determination – a metals‚ and Teflon ball 50 mL graduated cylinder 100 mL graduated cylinder 50 mL beaker Electronic balance Calcaulator Water Ammonium sulfate Step: Part 1.Measurment of the density of a solid 1. Three
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Mesothelioma‚ more precisely malignant mesothelioma‚ is a rare form of cancer that develops from the protective lining that covers many of the body’s internal organs‚ the mesothelium. It is usually caused by exposure to asbestos.[1] Its most common site is the pleura (outer lining of the lungs and internal chest wall)‚ but it may also occur in the peritoneum (the lining of the abdominal cavity)‚ the heart‚[2] the pericardium (a sac that surrounds the heart) or tunica vaginalis. Most people who
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Nanotechnology in the Army Name: College: Course: Tutor: Date: Nanotechnology in the Army Nanomaterials can be designed at the atomic level‚ lending more control over their properties‚ and making them better suited to their desired purpose. Most nanomaterials derive their enhanced abilities from the large increase in surface area that results when individual particle-size decreases. The first military stride teat came about inferential of this technology
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Gravimetric Analysis of Galvanized Steel Purpose The goal of this lab is to determine the thickness of the coating of zinc on galvanized steel using the mass and volume of a sample of galvanized steel‚ and by using a larger mass; it is possible to minimize percent uncertainty. Reactions Molecular: Complete Ionic: Net Ionic: Oxidation Half Reaction: Reduction Half Reaction: Data and Calculations Density of Zinc: Density: Specifications of Galvanized
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protein‚ 6.6 g fat and 24.4 g carbohydrate per 100 g serve. A IV only B I and IV C II and IV D II‚ III and IV 6 Analytical chemists use a variety of techniques. Give an example of the information provided by each of the following techniques. a gravimetric analysis b volumetric analysis c chromatography d
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