this experiment was to obtain some experimental measurement of Vapor Liquid Equilibrium for the Ethanol – Water system to verify the literature data. For this the Ethanol – Water system was heated to a certain temperature which is called the equilibrium temperature at atmospheric pressure and equilibrium temperature and compositions of vapor and liquid were measured. At the equilibrium temperature the samples of both vapor and liquid were taken in two different test-tube and the refractive index of
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absolute zero (-459 degrees Fahrenheit‚ 0 degrees Kelvin‚ -273 degrees Celsius) to liquid nitrogen temperatures (-321 F‚ 77 K‚ -196 C)‚ they have no electrical resistance. The temperature at which electrical resistance is zero is called the critical temperature (Tc) and varies with the individual material. For practical purposes‚ critical temperatures are achieved by cooling materials with either liquid helium or liquid nitrogen. The following table shows the critical temperatures of various superconductors:
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SECTION - A 1. Name the technique to separate [1] (a) Salt from Sea – water (b) Butter from curd 2. Define velocity. [1] 3. What do you mean by free fall? [1] 4. Mention any 2 advantages of using Italian bee variety in honey production. OR (a) Identify soluble and solvent in the following solutions: [3] (i) Aerated drinks (ii) Tincture of iodine (iii) Lemon water (b) State the principle of each if the following methods of separation of mixtures
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prevent any disease. I believe that the claims made by DVX Pro Liquid are too good to be true‚ and it is truly not that effective. I believe that products similar to this have just taken advantage of a sudden increase in popularity and demand for deer antler spray and are covered by the Dietary Supplement Health and Education Act of 1994 to sell their product without backing up their claim. In order to prove my hypothesis‚ DVX Pro Liquid would need to be
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Liquid crystal display Reflective twisted nematic liquid crystal display. 1. Polarizing filter film with a vertical axis to polarize light as it enters. 2. Glass substrate with ITO electrodes. The shapes of these electrodes will determine the shapes that will appear when the LCD is turned ON. Vertical ridges etched on the surface are smooth. 3. Twisted nematic liquid crystal. 4. Glass substrate with common electrode film (ITO) with horizontal ridges to line up with the horizontal
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reason for conducting the research is to know how the colors of our favorite candy-coated sugary rewards came to be and that method of knowing is what we call “Candy Crhomatography”. Chromatography by definition according to Webster’s dictionary means “ a method for separating the constituents of a solution (gas or liquid) by exploiting the different bonding properties of different molecules”. In this case‚ the molecules being broken down are the different molecules that make up a certain color. Colors
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Liquid Gold “The sounds of gunshots rang out throughout the town‚ piercing the veil of quiet like a hot knife through butter. Bushranger PJ Sebastian winced at the sound of every shot‚ keeping his fingers crossed and begging that none of the shots hit their mark. Desperately‚ he limped towards the tree line‚ as if he had any other choice in the matter‚ begging that the tall‚ menacing oak and gum trees could protect him from his assailant. Blood was pouring out of his thigh. He clutched at the wound
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Liquid Film Motors [pic] Fiona McLaughlin Zoe Cheng Loreto College Coleraine Comments Abstract We have carried out an experimental and theoretical study of liquid film motors. This phenomenon was first reported in 2009. Two papers have been published on arXiv.com‚ the first describing the phenomenon (Shiryaeva et al)‚ the second offering a theoretical model for the observations (Amjadi et al). The
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ORGANIC CHEMISTRY LAB 2: Separation of Organic Liquid Mixtures Introduction: In this experiment‚ a mixture of two compounds‚ cyclohexane and toluene‚ was separated into fractions by the techniques of simple and fractional distillation. The individual fractions that were gathered from the distillation were analyzed using gas chromatography (GC) and used to compare the efficiencies of the two different distillation techniques. The ultimate goal of this experiment was to determine whether simple
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A Homemade Dishwashing Liquid A Scientific Research Project Presented to the Research Department College of Engineering‚ Technology and Computer Science ___________ In Partial Fulfillment of the Requirements for the Course General Chemistry ____________ Presented by: Bañares‚ Michael Ray Romero‚ Jo Cris Fernando‚ Caroline Ebora‚ Mark Bryan Escuro‚ Edmund BSIT Electrical A11AM October 2013 Republic of the Philippines City of Taguig Taguig City University
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