"Percent yield determination of a precipitation reaction and determination of fats in chips" Essays and Research Papers

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    Determination is the essence of life. If you take a look at any successful person‚ that is one thing in common that they all share. Whether it be a Fortune 500 CEO‚ or a successful small business owner‚ determination is one of the most important traits you can have in your life. In the new generation today‚ most people don’t have goals in their lives‚ and are extremely lazy‚ and most importantly‚ lack determination to accomplish anything. These terrible character traits displayed by our youth could

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    ABSTRACT/ SUMMARY After preliminary heating‚ the sample is cooled at a specified rate and examined at intervals of 1°C for flow characteristics. The lowest temperature at which movement of the specimen is observed is recorded as the pour point. INTRODUCTION In the cloud point experiment‚ waxes will appear and thickens the oil and clogs fuel filter and injectors in engines. The wax also accumulates on the cold surfaces and forms an emulsion with water. The appearances of cloud point determine

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    Construction of a Standard Curve for the Determination of Protein Concentration 09/13/12 PCB 3023-007 Results Figure1: Standard curve. This graph was constructed from the fixed amounts of Bovine Serum Albumin (BSA). Varying amounts of BSA at a concentration of .5µ/µl were mixed with the water and 1mL of coomassie dye. The equation y=0.0259x +0.0511 represents the best fit line for a data set taken from µg of protein equals two to ten µg. Optical density (OD) was surveyed using a Mach

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    Determination is a characteristic very few people have. But‚ in this case the main character has this uncommon attribute. In the book Through my Eyes (Tebow)‚ Tim‚ a determined football player‚ shows a plethora of events of him never giving up. Tim Tebow never gave up on anything‚ including his education‚ football career‚ and farming. School work was especially challenging for Tim considering that he was diagnosed with dyslexia as a child. Isn’t it hard to imagine getting a good education with

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    LAB REPORT # 1 DENSITY DETERMINATION CHEMISTRY 100 – 04 INTRODUCTION: The purpose of this experiment is to find out the density of the unknown solid object by determining the mass and the volume through the experiment. To do this we will be get the mass of the object and determine the volume of the object by placing it into a liquid. Then we will divide mass by volume and get its density. PROCEDURE: 1) Obtain a solid metal 2) Weigh the dry sample carefully to

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    we can then calculate the water evolved. The first method we use to determine the percent composition is Gravimetric. With this method we use the mass of the reactant and the mass of the product. Another way to acquire the percent composition is by the Volumetric Method. This method requires measuring the water displaced by the O2 gas. If the experiment is done correctly‚ we should be able to calculate the percent composition of KClO3 by using both methods. Theory: This experiment requires us

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    2278-7763 461 DETERMINATION OF THE LEVELS OF NITRITE IN HOMEMADE BREWS‚ SPIRITS AND RAW MATERILS USED USING UV – VISIBLE SPECTROSCOPY IN NAIROBI COUNTY Jeremiah O. Masime*‚ Ruth Wanjau‚ Charles Onindo Kenyatta University‚ Chemistry Department‚ School of Pure and Applied Sciences ABSTRACT Homemade brews and the raw materials used can be a major source of nitrate and nitrite in human diet. Because of the potential health hazards result in high intake of nitrate and nitrite‚ determination of these ions

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    Accred Qual Assur (2005) 10:172–176 DOI 10.1007/s00769-005-0914-6 PRACTITIONER’S REPORT V. Kmecl J. SuÐin ˇˇ L. Zupancic-Kralj Validation of analytical methods used for determination of nitrate in soil Received: 7 April 2004 Accepted: 3 November 2004 Published online: 24 March 2005  Springer-Verlag 2005 V. Kmecl ()) · J. SuÐin Agricultural Institute of Slovenia‚ Hacquetova 17‚ 1000 Ljubljana‚ Slovenia e-mail: veronika.kmecl@kis.si Tel.: +386-1-2805164 Fax: +386-1-2805255 ˇˇ L. Zupancic-Kralj

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    Experiment IV Solubility of Dissolved Oxygen Purpose To demonstrate the effect of partial pressure‚ temperature and salinity on the solubility of dissolved oxygen and to demonstrate the interference of nitrite in dissolved oxygen analysis by the Winkler Method. To demonstrate the use of the oxygen electrode and the difference between activity and concentration. References 1. Mancy‚ K. H.‚ Jaffe‚ T.‚ "Analysis of Dissolved Oxygen in Natural and Waste Water‚" USDHEW Public Health Service

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    ELECTROLOYSIS OF WATER: DETERMINATION OF THE FUNDAMENTAL ELECTRONIC CHARGE PURPOSE: The fundamental electronic charge of water will be determined. A system of collecting the formation of H2 and O2 using two inverted glass collections tubes and a 1-L beaker filled with water will be setup. An electrolyte (H2SO4) will be added to water to make it an electrical conductor. A small amount of electricity will be applied to the water (roughly 400 mA) to oxidize the oxygen and reduce the hydrogen

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