2.82 g hydrated crystal (CuSO4*5H2O) * Evaporating dish * Bunsen burner * Electronic balance * Metal tongs * Ring stand Procedure: 1) Determine the mass of evaporating dish and watch glass. 2) Add between 2 and 3 grams of the hydrated crystal to the evaporating dish. 3) Determine the mass of the dish and crystal. 4) Heat the substance until it turns white. 5) Let the dish cool. 6) Determine the mass of the dish and anhydrous crystal. 7) Clean up
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Piezoelectric crystals are one of many small scale energy sources. Whenever piezoelectric crystals are mechanically deformed or subject to vibration they generate a small voltage‚ commonly know as piezoelectricity. This form of renewable energy is not ideally suited to an industrial situation. The ability of certain crystals to generate Piezoelectricity in response to applied mechanical stress is reversible in that piezoelectric crystals‚ when subjected to an externally applied voltage‚ can change
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take a melting point for reference) • add a boiling chip or boiling stick (otherwise‚ it may "bump" and spill) • use a minimum amount of hot solvent (Add a bit‚ heat/swirl. Not dissolved? Add more!) NOTE: IF YOU USE TOO MUCH SOLVENT‚ YOU WILL GET NO CRYSTALS! 3) ONLY IF NEEDED: Decolorize • most pure compounds are white and give colorless solutions (looks like water) • to remove color (really trace contaminants)‚ add activated charcoal (adsorbs the impurities) 4) ONLY IF NEEDED: Gravity filter to remove
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Isn’t Worth Messing With” Daly‚ Melissa. "Meth: Isn’t Worth Messing With." Current Health 2 35.1 (2008): 26-29. Health Source - Consumer Edition. Web. 28 May 2014. "I didn’t think it was a big deal‚" says Jose‚ now 17‚ of his first time trying crystal meth. When Jose was 13‚ a girlfriend offered him some‚ saying it would give him a good rush. He figured‚ why not — it would just be a one-time thing. "I’d smoked marijuana before‚ but I didn’t know how to deal with this high‚" says Jose‚ from California
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Crystal Reports |Crystal Reports is the standard reporting tool for Visual Studio .NET used to display data of presentation quality. You can display | | |multiple-level totals‚ charts to analyze data‚ and much more in Crystal Reports. Creating a Crystal Report requires minimal coding since it| | |is created in Designer interface. It is available as an integrated feature of Microsoft Visual Studio .NET. | | With Crystal Reports for Visual Basic.NET‚ you
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Oscillators & Oscilloscope Morgan Dennis @02514008 Partners: Brittany Smith‚ Michelle Trang‚ James Anderson‚ Madison Shaw OBJECTIVE: We are going to study the features and operation of the oscilloscope. We will use the instrument to measure the frequency and amplitude for various sources. Ultimately‚ the oscilloscope will display the Lissajous figures. APPARATUS: The major apparatus used include; Oscilloscope‚ two audio oscillators‚ battery and connectors. THEORY: The oscilloscope
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Jett Theology 22 February 2013 The Dark Crystal The Dark Crystal is an allegorical movie that shows the relationship of good and evil in not only the bible but also the current world. In this movie Jen‚ the supposed last of the Gelflings‚ is sent on a quest to repair the dark crystal insuring that Skeksis don’t rule their world forever. Upon his fulfillment of the prophecy the dark and light (good and evil) are united as one being. The Dark Crystal has many components that lead the audience
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PrFan Blades Rolls Royce is unique for its patented manufacturing process of its hollow wide-chord titanium fan blades. To make these fan blades light and strong the fan blades are made from titanium 6-4 alloy with a hollow internal “Warren–Girder” structure. This is done using 2 processes namely Superplastic forming and Diffusion bonding. The manufacture process starts with 3 sheets of forged titanium. A material called stop-off is printed onto 2 of the sheets which will stop them from joining
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[pic] AE2009 Aerospace Materials Assignment Report Use of Smart Materials in Aerospace Industry List of Contents 1. Introduction 3 1. Purpose 4 2. Background 4 3. Scope 4 2. Types and Applications of Smart Materials 1. Piezoelectric Material 5 2. Shape Memory Alloys 14 3. Magnetostrictive Materials 20 4. Rheological Fluids 22 3. Discussion 25 4. Conclusion 26 5. References 27 Abstract This report will cover the different types of smart
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LABORATORY REPORT 4 PREPARATION OF ALUM FROM ALUMINUM METAL Huy Nguyen October 2nd‚ 2012 The objective of the laboratory is to synthesize alum (KAl(SO4)2.xH2O) from aluminum powder and to determine the proportion of water in the alum crystals. Alum is a product from the reaction between potassium hydroxide and sulfuric acid. The reaction include several steps‚ as followed: Aluminum powder reacts with potassium hydroxide to generate Al(OH)4- ions and release hydrogen. 2 Al(s) + 2 KOH(aq)
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