be ready when a crusty film begins to form on top. What you’re left with is a more concentrated solution of sodium acetate. (You may notice that your solution is slightly yellowish or brownish.) * As the solution boils down‚ sodium acetate crystals will be left sticking along the inside of the pot. Don’t mix them back into the solution; you’ll need them later‚ so use a spoon to gather and save them separately. * Don’t let the film on top of your solution become thick or developed; this
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University of Gujrat A World Class University Department of Computer Science COURSE DESCRIPTION Course Code CS-203 Course Title Data Structures Credit Hours 4 Category Core Prerequisite Knowledge and Experience in Programming Fundamentals and Object Oriented Programming Expertise in design‚ implementation‚ testing‚ and strong debugging of object-oriented programs. Inner Classes and Exception Handling Amis and Objectives “An apprentice carpenter may want only hammer and saw‚ but a master craftsman
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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 together
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recrystallization‚ which relies on the different solubilities of solutes in a solvent. Compounds‚ which are less soluble‚ will crystallize first. The crystallization process itself helps in the purification because as the crystals form‚ they select the correct molecules‚ which fit into the crystal lattice and ignore the wrong molecules. This is of course not a perfect process‚ but it does increase the purity of the final product. The solubility of the compound in the solvent used for recrystallization is important
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point was close to 100°C‚ the boiling point of water. A few milliliters of hot solution was removed from the flask with a disposable pipette and placed in a test tube. The test tube was set aside to cool and produce crystals. The color and melting point of the mini batch of crystals were used to assess the effectiveness of activated carbon treatment of the main batch to remove the colored impurities (vide infra). The temperature of the main batch of the reaction mixture in the Erlenmeyer flask
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beaker that contained the filtrate and the filtrate was undisturbed until it had cooled to room temperature and when no more crystals had formed. 4. The beaker was placed in an ice-water bath for 10 minutes. 5. The crystals were collected by using a Hirsch funnel by vacuum filtration. The filter cake was then washed with 2 small portions of 0.5mL of cold water. The crystals were pressed dry as possible on the funnel with a spatula. 6. The melting point of recrystallized benzoic acid was determined
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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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[pic] Work Breakdown Structure (WBS) Template This Project WBS Template is free for you to copy and use on your project and within your organization. We hope that you find this template useful and welcome your comments. Public distribution of this document is only permitted from the Project Management Docs official website at: www.ProjectManagementDocs.com Work Breakdown Structure (WBS) Company Name Street Address City‚ State Zip Code Date Introduction The WBS is a view
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Smart System or Structure What is a Smart Structure? A smart structure is a system containing multifunctional parts that can perform sensing‚ control‚ and actuation; it is a primitive analogue of a biological body. Smart materials are used to construct these smart structures which can perform both sensing and actuation functions. If truly smart‚ these intelligent systems can determine their present state‚ decide what is the optimum or more desirable state and carry out an appropriate
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TO QUESTIONS 1. How does the use of fluted filter paper hasten filtration? Why is it advisable to place a small piece of wire between the funnel and the mouth of the flask during hot filtration? Fluted filter paper is effective in preventing crystal formation in the filter paper. It is also often used in filtering hot saturated solution used during crystallization. One major advantage of a fluted filter is that it increases the speed of filtration. The crisscrossing of the folds help alleviate
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