Liquid

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    other relevant accessories both online and in local smoke shops or specialty stores. The chief drawback to buying locally is that the prices tend to be much higher for the same items which are available online. Even the variety of the selection of e-liquids in the…

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    Enzymes Lab Report

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    reaction occurred in a beaker of solution, so at the end we needed to separate the solid drug out of the liquid. However, we didn’t want to end up with unreacted prodrug in our final sample, since we wanted to see how much actual drug we ended up with. In organic chemistry, a liquid-liquid extraction (LLE) is often used to separate two compounds with different properties. A LLE uses two liquids that can’t mix, kinda like oil and water. The active form of our drug actually has an electrical…

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    Epiglottis Case Studies

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    and liquid from going down the windpipe. Epiglottitis can block air from going into the windpipe, which can make it hard to breathe. Epiglottitis is an emergency. CAUSES This condition is usually caused by bacteria. The bacteria infect the nose and throat. The result is an upper respiratory tract infection. One type of bacteria that causes epiglottitis is called Haemophilus influenza type B (Hib). Other causes include: • Throat injury. • Throat burn, such as from drinking hot liquid.…

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    that animal fats could be substituted with vegetable oils in the substance we know as margarine. This meant that polyunsaturated fats such as vegetable oils could be hardened and made into “partially hydrogenated fats,” transforming from its natural liquid state to a partially solid state. This process is known as hydrogenation. There are two types of fats that will be focused on in this paper: unsaturated and saturated fats. Saturated fats are lipids which have no carbon-carbon double bonds,…

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    flow controllers (the type and serial number). Water, on the other hand, was delivered to an evaporator by a high-performance liquid chromatography pump (Agilent) at rates between 0.06 to 0.17 ml/min. The evaporator set at a temperature of 180C allowed to ensure water was in vapor form before entering the reactor. Furthermore, the transport of the water vapor and liquid organic feed was assisted by the nitrogen gas that flowed through the same pipe. The syringe pump used for the organic feed…

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    into the solvent. After a week, caffeine and theobromine are insolated in the solvent. The mixture then is ready to be spun in a centrifuge to pack the chocolate in the bottom with a layer of clear liquid containing dissolved fat. Set up a beaker of boiling water. Take the top layer of the clear liquid off from the centrifuge tube and discard it. Repeat the extraction with fresh portion of solvent hexane at least twice to make sure all the fat were extracted and the chocolate is fat-free.…

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    Activated carbon is a form of carbon that has treated in order to give it small pores, with lower volume, this increases the surface area accessible for adsorption. Adsorption is a procedure where solids are used for taking a soluble contaminate out of water. In this procedure active carbon is the solid that has been mentioned. The reason activated carbon is such a good filter is because of the huge surface area (between 300-2000m2/g), this is because surface area is proportional to adsorption…

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    Hobbytown Rocket V.S. Chemistry Rocket Research Paper A Rocket is a projectile that can operate on it's own without oxygen by the combustion of it's contents. Rockets are particularly interesting because it has transported mankind where they have never been before. That is why this project is on Rocketry, but with small scale rockets. The purpose of this project is to see if a homemade Chemistry Rocket, fuel made of baking soda and vinegar, can equal the endurance and/or the height of a…

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    Saturn Research Paper

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    highly inclined and consists of mixed prograde and retrograde. The most documented Saturn’s moons are Titan, Enceladus and, Rhea which are huge and have shown possibility of liquid water. Titan (Saturn VI) Titan is the largest of Saturn’s moon (3,201 miles in diameter) and has a dense atmosphere with evidence of surface liquid. Commonly described as a planet-like moon, it is 50% larger than earth’s moon and larger than Mercury. Observations reveal that Titan orbits Saturn once every 15 days…

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    According to Piaget’s study, children in the preoperational stage had difficulty understanding this concept and change their view on amount of liquid when the physical appearance changed. On the other hand, older children, those in the concrete operational stage, were not fooled with the change in appearance of the liquid. They understood that the liquid amount remained constant. This study shows that the mind of a 3-year-old thinks quite differently than the mind of a 9-year-old. Piaget’s…

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