Background The melting point of a compound is the temperature at which the solid is in equilibrium with its liquid. A solid compounds changes to a liquid when the molecules acquire enough energy to overcome the forces holding them together. A mixture melting point is useful in confirming and used to indentify an unknown compound‚ which we will be doing in this particular experiment. Purpose Measure the melting points of pure benzoic acid and pure mandelic acid. Determine the eutectic composition
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ultrasonic power to break up medical solutions and suspensions into small aerosol droplets that are inhaled directly into the airways when you breathe in. This means a much smaller dose is needed than if you were to take the medicine as a tablet or liquid by mouth as just the airways and lungs are treated but little of it goes to other parts of the body. Non-Invasive Ventilation (NIV) – a cushioned mask fitted over the nose alone or both mouth and nose which in attached to an air pump machine. NIV
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is a change of state. As you know‚ matter exists in three states (or maybe four‚ the fourth being a plasma)‚ solid‚ liquid and gaseous. At different temperatures‚ the same substance may be in different states. Each state is characterized by the way the interatomic forces act. In solids‚ the atoms (or molecules) are held firmly together in a closely packed crystal structure. In liquids‚ the crystal has fallen apart rendering the substance shapeless. Nevertheless a liquidhas certain coherence‚ being
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To provide heat to dry products Why is it necessary to atomise fuel? Even though fuel oil is classified as a flammable liquid‚ most fuels will not burn easily in a liquid state. If you were to drop a lit match in a container of fuel oil‚ it would PROBABLY go out almost immediately (don’t try this!). In order for fuel oil to burn‚ it must first be transformed from a liquid to a vaporised state ~ atomised. Atomisation increases the exposure of the fuel to the oxygen in the air; this promotes combustion
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QTC™ Material can be made to withstand extreme temperatures limits. * Used for switches and keyboards. Thermochromic Ink * These materials change colour when there is a change in temperature. * Thermochromic ink comes in two forms: Liquid crystals and Leuco dyes. * Leuco dyes are easier to work with and allow for a greater range of applications. * Applications of thermochromic ink include: flat thermometers‚ battery testers‚ clothing. Mr
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place it in the proper holder under the hood. Discussion: Melting point is an example of a physical property. This is lieu of the fact that we are observing a sample without changing the composition of the matter. As there are 3 states (solid‚ liquid and gas)‚ the same matter remains intact in all three states. We use melting point measuring in organic chemistry as this is a method to identify a pure solid compound and compare it to the melting points listed in various sources of published data
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1. Label heating curve graph of a substance other than water (NOT WATER‚ make up a substance if you have to‚ but don’t use 0 oC and 100 oC The graph must include: • An illustration (not fancy) of how the molecules are arranged in the solid phase‚ liquid phase‚ gas phase and during the phase changes. • How KE and PE change during different parts of the graph. • Labels for each part of the graph with an appropriate equation. • Labels for the melting point and boiling point. The information may
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PERFORMANCE OF ROLLING OIL IN A TANDEM MILL Presented By: Darshan Keshari Mgr (ILS)/ Ranchi Indian Oil Corporation Ltd Acknowledgements: Dr. D. Saxena‚ IOC R&D Sri. S.K. Panda‚ IOC MD Dr. S. Paul‚ IOC R&D Sri. Sunil Kumar‚ SAIL- BSL. PROCESS FLOW DOIAGRAM OF A TYPICAL STEEL PLANT TANDEM MILL FATE OF METAL STRIP DURING ROLLING COLD ROLLING ROLLED COIL ROLLING OIL HAS TO TAKE CARE OF THE ROLL PROFILE AND LOAD FOR EFFECTIVE HEAT REMUVAL AND PROVIDING MINIMUM RECEDUE
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Experiment no: 01 Experiment name: Study on garments washing and dyeing machine. Objectives: * To observe about the garments washing and dyeing machine. * To study about the garments washing and dyeing machine. * To study about the mechanism of garments washing and dyeing machine. Equipments: * Garments washing machine. * Garments dyeing machine. * Hydro extractor machine. * Tumble dryer machine. * Electrical machine. * Air compressor. Specification
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* Assaalamualaikum and a very good evening ladies and gentlemen. * Thank you for coming today‚ i hope all of you can gain some benefits from this informative presentation. * I have one question to ask before i proceed with my presentation‚ how many of you intent to work in oil and gas industry in future? i believe each one of us has a big opportunity to work in oil and gas industry. * So i am here to present about drilling mud which is one of the most important things in oil and gas
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