Separating a Mixture of Compounds Exp. No. 2 April 8‚ 2014 I. Purpose The purpose of this experiment is to separate three components; SiO₂‚ NaCl‚ and NH₄Cl through Sublimation‚ filtration and evaporation to determine the mass and mass percentage of each component. II. Experimental Method Equipment Chemicals Evaporating Dish Powdered Mixture A 2 50ml beaker Water Balance Thermometer Bunsen burner III. Raw Data and Calculations Mass of empty evaporating dish 76.00g
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Chemistry 112: Anion Analysis Page 7 ANION ANALYSIS M uch of the work you will be doing in the Chemistry 112 laboratory will be concerned with identifying positive and negative ions‚ that is‚ cations and anions‚ in solutions whose composition is unknown. This procedure is called QUALITATIVE ANALYSIS. The modern chemist frequently wishes to identify the constituents in a very small amount of substance‚ and so he depends heavily on instrumental methods of analysis. While the procedures
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PG ENGINEERING SOLUTIONS ENTERS SECOND DECADE OF PROJECT MANAGEMENT INNOVATIONS MBA 6941 Project Management The title of my article is PG Engineering Solutions Enters Solutions Enters Second Decade Of Project Management Innovations and was written by Alexander Lopez from The Caribbean Business Newsletter. PGES is owned by Carlos Pesquera which is the former secretary for the Department of Transportation. His accomplishments include the $2 billion dollar grant to improve water system and the
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A State of Mixture by Richard Payne investigates the entwining of Zoroastrian and Christian groups in late antique Iran. Payne claims that “Zoroastrian and Christian elites‚ institutions‚ and symbols came to commingle in a political culture that the present book calls ‘a state of mixture‚’ employing a metaphor current in contemporaneous Iranian political thought.” This quote summarizes and lays out the foundation for the rest of the arguments that he covers in his book‚ arguably making it his thesis
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Isolating the Components of a Three Component Mixture The purpose of this experiment was to separate the component of three mixtures sand‚ sodium chloride and calcium carbonate then calculate the percentage by mass of each component recovered from the mixture. The other purpose of this experiment was to show us the students the concepts associated with physical and chemical properties of substances. Me and my lab partner‚ obtained a mixture of a un known proportion from the instructor and
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Analysis of Soda Ash and Carbonate-Bicarbonate Mixture Submitted: February 27‚ 2013 Department of Chemical Engineering‚ Faculty of Engineering University of Santo Tomas España‚ Manila Abstract A standard acid solution like HCl can be used as titrant for the analysis of both soda ash and a carbonate-bicarbonate mixture. In the analysis of soda ash‚ the volume needed to neutralize the soda ash is used to compute for its alkalinity‚ in this experiment we obtained a 17.6 % alkalinity with an error
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SOLUTION MINING A Laboratory Exercise in Extracting Copper from a Synthetic Copper Ore Your Name __Mel Hine______________________ Partner’s Name __Jay Ranson____________________ Date _October 2‚ 2012____________ Introduction This laboratory exercise involves the use of dilute sulfuric acid (H2SO4) to leach copper
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TECH0701: Measuring the Melting Points of Compounds and Mixtures Introduction This exercise dealt with the melting points of pure mandelic acid and benzoic acid. The eutectic temperature and composition of mandelic and benzoic acid mixtures were determined. And finally‚ an unknown was identified by its mixtures and melting point. The melting point of a compound is used by organic chemists not only to identify the compound‚ but also to establish its purity. To determine the melting point two
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of a Mixture Containing Calcium Carbonate and Naphthalene Objective: Finding a method to successfully separate a mixture of calcium carbonate and naphthalene. Properties to be considered: Calcium Carbonate Naphthalene Solubility in water slightly insoluble Solubility in ethanol insoluble partially Melting point 825 degrees C 80.2 degrees C Boiling point decomposes 218 degrees C Procedure: Subliming the mixture seemed to be the most practical solution due to
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The oriental plane tree Chinar which reflects the mixture of colors is the specialty in Kashmir for the civilians and tourists. It seems to be more beautiful in autumn when its leaves containing the different colors. A mixture of red‚ light purple‚ honey-yellow and yellowish color of chinar leaves add more beauty in the Kashmir valley. It brings the happiness on the faces of Kashmiri civilians who are living in the appearance of Indian military for a couple of years. All the visible sceneries of
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