For my science fair project‚ I figured out what solvent would work best to erase permanent marker. The solvents I tested were: lemon juice‚ vinegar‚ water‚ and rubbing alcohol. I tried each of these solvents on a permanent marker line on plastic‚ paper‚ fabric‚ and wood. In this research paper‚ I will be talking about what a permanent marker is‚ how they are made‚ why they work so well‚ what rubbing alcohol is and its common uses‚ what vinegar is and its common uses‚ what water is and why water is
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water it resulted insoluble and in ethanol it resulted soluble. This substance could not be tested for electrical conductivity because the water was insoluble. We then tested for the PH value and it was neutral. The flame test was negative. There was no pigment in the flame. For our second unknown‚ the substance color was powdery-white‚ glittery‚ and clumpy. The odor was like rubber. When we tested the solubility in water in water it resulted soluble and in ethanol as well. The electrical conductivity
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oxygen‚ which can be combined in many different ways. The commonest as known as ethyl ethanol‚ which is a specific alcohol compound (C2H5OH) and formed from the fermentation of yeast‚ sugars and starches. This alcoholic formation also releases carbon dioxide (Simon‚ Reece‚ Dickey 2010‚ p.103). The compounds of alcohols are structurally similar to carbohydrates‚ consist one or more hydroxyl (OH) group. Ethanol is the
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India is the largest producer of sugar in the world. In terms of sugarcane production‚ India and Brazil are almost equally placed. In Brazil‚ out of the total cane available for crushing‚ 45% goes for sugar production and 55% for the production of ethanol directly from sugarcane juice. This gives the sugar industry in Brazil an additional flexibility to adjust its sugar production keeping in view the sugar price in the international market as nearly 40% of the sugar output is exported. The annual projected
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ABSTRACT The study aims to produce biodegradable plastic using cassava starch as its main component. Cassava starch was mixed with water‚ epoxydized soya bean oil (ESBO)‚ glycerol‚ and polyvinyl alcohol (PVA). The mixture was then compressed and tested. Three preparations were made from the mixture. The first preparation contained 50 grams starch‚ 50 grams water‚ 50 grams PVA‚ 2.5 grams ESBO‚ and 2.5 grams glycerol. The second preparation contained 65 grams starch‚ 65 grams water‚ 50 grams PVA‚ 2
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Dr.Tawfeq al.Qaimare Rifqa Shawer Lab report 5 21-3-2013 Adsorption Chromatography Introduction: The technique of adsorption chromatography may be illustrated by a description of how two dyes are separated when a solution of the dyes is passed through a column of powdered silica contained in a vertical glass tube‚ it’s a method used to separate solids or liquids. At the first the two dyes are adsorbed at the top of the column‚ giving this region a nearly dark blue color. However‚ when
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Part A: Compound (copper sulphate‚ sand and table salt) dissolved into hot water the solution turned a blue homogenous colour‚ leaving unwanted sand particles and a small amount of undissolved copper sulphate laying at the bottom of the beaker. Ethanol was added to the mixture and crystals started to from. After cooling duration crystals are visibly bound together. Part B: Spinach extract is visibly dark in colour with very little transparency‚ thick viscosity and no visible particles. The
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other chemicals. The chemical processes of wine-making involve several of these components and the amount of each is important in determining the character of the wine produced. Glucose to Ethanol The most important chemical reaction in the wine making process is the breaking down of glucose by yeast‚ forming ethanol and carbon dioxide as gas. There are various important factors at this stage which affect the wine. First‚ sulphur dioxide gas is passed through the crushed grapes to kill off wild yeasts
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Other Important Topics in Column Design Outline Sub-Flowsheets Thermodynamic model (Fluid Package) selection Solver selection Sub-flowsheets HYSYS has a multi-flowsheet architecture. A big flowsheet can be split up into smaller sub-flowsheets. Each sub-flowsheet has its own streams‚ operations‚ PFD and an independent fluid package. The column in HYSYS is a sub-flowsheet where independent operations are possible H83 PS1/H84 CFL Templates A template
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everyday life. Alcohols range from a percent chain starting at one and commonly ending at twelve. Alcohols are named after the number of (OH) hydroxyl groups within them‚ Methanol being one‚ Ethanol containing two carbons and so on. For this experiment the alcohols used were Methanol‚
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