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Mixture and compound
3 pages (750 words)
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...Mixtures, Ionic and Covalent Bonds College: Compounds and Mixtures, Ionic and Covalent Bonds A mixture is a substance that is composed of two or more elements mixed physically but not chemically bonded (Patten, 1995). Simple physical means such as filtering, use of a magnet or picking if the elements have big grains can separate mixtures (Phillips, 1998). A compound on the other hand, is a pure substance made of two or more chemically combined elements. Compounds are separable by chemical means such as electrolysis, oxidation and reduction (Phillips, 1998). A mixture and a compound also vary on the composition of the component elements. A compound comprises of a fixed ratio... , for example,...
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Mixture and a compound
5 pages (1250 words)
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...Mixture and a Compound al Affiliation This document contains elaborative differences between mixtures and compounds through their properties and formation, the variation of components that make them distinctive and how their components can be separated. It also describes how to differentiate an element and a compound despite being pure substances by results from decomposition. In the paper the metals, non-metals, and transitional elements are discussed to demonstrate the bonds. Ionic bonding formed between metals and non metals are explained and illustrated. Explanation following electrons transfer between the donor and receptor atoms that form cations and anions is also given. Documentation...
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Does the mixture of debt and equity in a firms financial structure matter why
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...mixture of debt and equity in a firm’s financial structure matter? Why? The ratio between the firm’s total debt and its total liabilities is considered as a measure of its financial leverage. It is calculated by dividing the total long term liabilities of a firm to its common shareholders’ equity. The company financial data is used by the accountants to calculate its debt to equity ratio. This ratio can be used by the investors and financial institutions while studying the financial condition of any firm. The higher the debt to equity ratio of the firm, the riskier the firm is in term of investment. This debt to equity ratio is also known as “financial leverage ratio”. There must... by debt...
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Describe how agency theory can be used to explain the mixture of measurement methods observed in contemporary financial reporting. You may provide examples, where relevant, to support your answer
2 pages (500 words)
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...Mixture of Measurement Methods Observed in Contemporary Financial Reporting Agency theory deals with the alignment of the interest of both the principal and the agent. One of the ways to do this is to have a system within the entity wherein incentives and rewards are available (Cohen and Holder – Webb, n.d.). To implement this system, the principal needs to have a basis for their calculation and for assigning monetary values to the criteria formulated for such a system. In order to achieve this, measurements methods have to be devised and to be utilised. This is one of the reason why the current measurement methods (i.e., historical costs for property... How Agency Theory Can be Used to Explain the...
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Development is a mixture of nature and nurture. Pick two areas of developmental psychology (e.g., language development, social development) and discuss the mixture of genetic and environmental influences
6 pages (1500 words)
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...Nature VS. Nurture Sur s Nowadays there are a lot of styles of parenting exist. About all of them are written many books and articles about parenting as a magnet attract users in the Internet. At the heart of these endless debates about how is better to raise children, is the idea of the special importance of education. However, there is one question that participants of parental wars are seldom asked: what if the style of parenting is not so strong influence on children? Meanwhile, according to a number of studies based on the observation of twins and adopted brothers and sisters, parents are not so important, as we are assured by moms, dads and powerful music teachers. Studies show... VS. Nurture Sur ...
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Does the mixture of debt and equity in a firm's financial structure matter Why
8 pages (2000 words)
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...?As per the general equation of accountancy, the assets of a company are financed either through equity or debt. In the ment of financial position or balance sheet of a company, the total of assets is always equal to the total of liabilities and debt. The decision of how to finance the asset of a company is of prime importance for the management of the company. In most situations, the management strives to strike a balance between the level of debt and equity in its capital structure. Equity is usually generated by issuing shares in the stock market where the company is listed. Initially at the time of the inception of the company, the shares are floated for the first time in the stock... per the...
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Lab proposal
5 pages (1250 words)
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...mixture Procedure: 1. Collect the unknown percentage composition of salt and sand mixture about 10 to 15 grams. Name the sample as 1 and then continue the procedure. Each time while collecting the new sample of mixture number it accordingly. 2. Rinse all the beakers, flasks and evaporating basins with distilled water and let them dry. 3. Evaluate the mass of dry 250 ml beaker. Note that error should not be more than 0.01g. 4. Put entire mixture of sale of sand... Separation of Salt from Sand Apparatus and Materials 1 balance 2 Hot plate 3 250 ml beaker 4 400ml beaker 5. 1 funnel 6. Coarse filter paper 7. 1 Erlenmeyer flask 8. 1 watch glass 9. 1 glass stirring rod 10. Sample of sand and salt mixtur...
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Factors to consider for the design and development of emulsion
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...mixture of the immiscible liquids wherein the first liquid is suspended to the second liquid. A very common example of this mixture is oil-in-water or water-in-oil. It is very important to know the identity of the chemicals you are dealing with when applying emulsion. Physically, the mixture of two immiscible liquids is very visible to the eyes because of the phase interfaces of scattered light passing through the emulsion. System of immiscible liquids... are understood by integration of models at different length scales. The ultimate goal of emulsion is to know and understand the main factors of dispersion of the mixture. STABILITY is one factor...
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Mariah Carey
2 pages (500 words)
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...mixture of music genera. Mariah Carey is a well-known POP star since the nineties who has a unique vocal range and create unique musical combinations by mixing music genera. Mariah Carey has a unique vocal range, which became her trademark. It has been debated the number of octaves that Mariah Carey can reach, but most people believe the range to be five octaves. This unique vocal range caught the attention of many well-known recording companies as well as created a fan base for Mariah Carey. Mariah Carey's songs are unmistakable when those high ranges opera-like pitches blast through the radio. She is the only known singer... Musician: Mariah Carey Two reasons why musician is so playable: vocal range,...
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Extraction
1 pages (250 words)
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...mixture was dissolved in 30 mL of t-butyl methyl ether (TBME) which is a low boiling solvent and is non-toxic. This was then poured into a separatory funnel. When water was added it formed the bottom layer of the solution because it was denser than the TBME. By adding sodium bicarbonate NaHCO3 to the mixture and then gently mixing it the result was a water layer that contained sodium benzoate. Sodium bicarbonate was used because it was a weak base that would result in a strong acid. The funnel was stopped, the mixture shaken... Extraction Benzoic acid and naphthalene was used to show an extraction process. The procedure entailed mixing 2.5g of benzoic acid and naphthalene at a ratio of 1:1. The...
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Batch Distillation Column
2 pages (500 words)
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...mixtures. This process can be conducted in either a continuous or discontinuous manner. That the latter is the basis of batch distillation. In batch distillation, the apparatus for use are loaded with the mixture to be separated at the start-up time. Different fractions of the mixture are then taken out one after another that is in batches, thus giving this process its name. The batch operation is divided into two periods, which describe the entire process. These are; the start-up period, and the production period. A single batch column is able to separate a multi-component... BATCH DISTILLATION COLUMN BATCH DISTILLATION COLUMN Summary Distillation is a process that is vital in the separation of liquid...
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The routes of producing ethanol from sugar beet
1 pages (250 words)
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...mixture content has to undergo distillation. Distillation process is used to separate two or more compounds that have different boiling points and volatility. There is numerous process that is adopted to distillate the contents; this includes pressure-swing distillation, simple distillation, Reactive Distillation, molecular sieve adsorption distillation and salt separation (Halford & Karp, 2011, pg.409). In simple distillation, the mixture content is put into a distillation chamber where heating is done... Ethanol preparation from sugar beet affiliation Ethanol production Most of ethanol production in USA relies on processing starch and sugars found in sugarcane and corn (Singh, 2013, pg.408). This...
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The Universe
2 pages (500 words)
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...mixtures, compounds, and bonding. Difference between a mixture and a compound Even though both mixtures and compounds are products of elements, they have a number of differences. One of the differences between a mixture and a compound is that a mixture can be separated by physical methods while a compound can only be separated by chemical methods. The physical methods only involve movements of the mixture’s components without any form of reaction as in separation of compounds. As a result, separation of mixtures does not change composition of the components while separation... The universe 4th August The universe This paper seeks to discuss fundamentals of matter. The paper explores properties of...
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Process Analysis:How ice cream is made
2 pages (500 words)
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...mixture in order to enjoy the final product... ENG 101-09 Process Analysis Paper Making Homemade Ice Cream Eating homemade ice cream as a child brings back a number of memories to most people. Ice cream has always been regarded as one of the best deserts one can serve at large parties and small gatherings alike, and when made at home, tastes even better with a personal touch. Most people prefer making ice cream at home to both cut down on costs as well as give the ice cream a flavor familiar to familial secrets and ingredients. In order to make homemade ice cream, there are three steps that need to be followed that pertain to choosing the flavor, mixing the ingredients together and finally freezing the...
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Process Analysis:How ice cream is made
2 pages (500 words)
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...mixture so the ice cream is not soggy neither snowy (How Products Are Made, n.d.). Pasteurizing the ice cream is one of the most important element in the process. In this process, the blended mixture is piped into a pasteurization machine which is made of stainless steel plates where an estimate of 182°F (83°C) temperature of water heats the plate on one side to ensure the finished product is bacteria free and a cold mixture of water cools the mixture on the other side. After which, regulating the desired texture of one’s ice cream is done by applying air pressure, as much as 2,000 pounds per square inch through placing the hot mixture of ice cream in a homogenizer which is responsible... Process...
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Assignment (Chemistry subject)
2 pages (500 words)
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...mixture and a heterogeneous mixture? Give one example of each Answer: Mixture: This is a mixture of two or more pure substance combined to form a mixture. It can consist of Matter having variable composition with definite or varying properties and can be separated into component elements or compounds. Example include carbonated soda, coarse mixture of sea water or even mixture of air that contain nitrogen, oxygen, carbon dioxide and many others. Homogeneous Mixture: They possess uniform composition and look. They include salt and water, soda, metallic alloys. Heterogeneous Mixture: They do not have uniform... Assignment Chapter Molecular Reasons 14- What is the difference between a homogeneous and a...
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How To Oxidate Cyclohexanol to Cyclohexanone
3 pages (750 words)
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...mixture in a salting out procedure using sodium chloride and ether. The extracted cyclohexanone had a refractive index (n20/D) of 1.467, which is close to the literature value of n20/D 1.450, indicating that the isolated cyclohexanone was of good purity. Introduction: KMnO4 and Cr (VI) compounds such as H2CrO4 have... The Green Oxidation of Cyclohexanol to Cyclohexanone Summary: Cyclohexanone was synthesized from cyclohexanol using a “green” reagent, sodium hypochlorite, as an oxidizing agent. In the first step, cyclohexanone was produced from cyclohexanol in a 34.82% yield using an oxidation reaction with sodium hypochlorite. In the second step, cyclohexanone was isolated from the cyclohexanone-water...
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The Green Oxidation of Cyclohexanol to Cyclohexanone
6 pages (1500 words)
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...mixture in a salting out procedure using sodium chloride and ether. The extracted cyclohexanone had a refractive index (n20/D) of 1.467, which is close to the literature value of n20/D 1.450, indicating that the isolated cyclohexanone was of good purity. Introduction: KMnO4 and Cr (VI) compounds such as H2CrO4 have... The Green Oxidation of Cyclohexanol to Cyclohexanone Summary: Cyclohexanone was synthesized from cyclohexanol usinga “green” reagent, sodium hypochlorite, as an oxidizing agent. In the first step, cyclohexanone was produced from cyclohexanol in a 34.82% yield using an oxidation reaction with sodium hypochlorite. In the second step, cyclohexanone was isolated from the cyclohexanone-water...
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Making a Chocolate Cake
3 pages (750 words)
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...mixture will decide the ultimate fate of the chocolate cake. The proportionate addition of the ingredients places the key role. One cup chocolate chips and butter is taken and melted at low heat level using microwave oven. Stirring is a significant at this stage until these ingredients melt. The melted mixture is poured into the electric mixture bowl. Refined sugar is added to the mixture. Now the same... Making a Chocolate Cake Whenever the “Chocolate Cake” is pronounced, it right away creates a lip-smacking effect within the mouth of everyone. Chocolate cakes are delicious and luscious in taste. They are mostly used as desserts. A chocolate cake is a must for any celebration. A birthday or any...
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Synthesis of Soap
1 pages (250 words)
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...mixture was heated on a water bath. Upon heating color change from colorless to slight yellow was observed. A 2 hoses reflux condenser was attached to the heated flask and the mixture was allowed to reflux for 15 minutes. The heat was turned off and the system was cooled. The reaction mixture was poured into a beaker containing... Your Module Synthesis of Soap The primary goal of this work is to synthesize soap from fat using the reaction below:Figure 1: Synthesis of soap (Clayden, et al., 1375). A round bottom flask equipped with a magnetic stirrer was charged with 15 g of shortening, 15 ml (45%, 6.75 g, 0.12 mol) of potassium hydroxide. 15 ml of ethyl alcohol was added to the flask and the reaction mi...
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Practical Project
1 pages (250 words)
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...mixture control in an idle cut off state. Open the throttle to a position that can provide an average of 1100 rpm. Set the preheat control in a stalemate position... Practical project Operation of a reciprocating engine of an aircraft Reciprocating engine, also called the internal combustion engine, has seven components with each serving a specific function (Arcoumanis & Kamimoto, 2009). The most important components are the cylinders, pistons and valve operating mechanism. The reciprocating engine functions on a four stroke cycle, that is, the intake, compression, power and exhaust strokes. To start the engine, turn on the auxiliary fuel pump in case the aircraft is equipped with such. Position the mi...
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Organic Chemistry lab Determination of the Structure of a Natural Product in Anise Oil
2 pages (500 words)
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...mixture indicates a neutral mixture. It points to addition of insufficient 6M HCL which was required to make the reaction mixture acidic. The reaction mixture ought to have turned brown after addition of anise oil and heat, which turns white in addition of NaSOH3. References Lehman, John. Multiscale Operational Organic Chemistry. Prentice Hall, New Jersey, 2002.... Task DETERMINATION OF THE STRUCTURE OF A NATURAL OIL PRODUCT IN ANISE OIL The purpose of this experiment is to isolate the anise oilmajor component and unveil its structure and identity with use of IR spectroscopy and determination of melting point. 1. Reaction mechanism The phase-transfer catalysis is aided by Aliquat 336. Organophilic and...
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Stainless steel powder metrology
8 pages (2000 words)
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...mixtures of powder are used to form stainless steel alloys. Mixture one, which will be termed as “A” is 99 grams 316L 1gram of Si and the second mixture, which is termed as “B” is 95 grams of 316L, 1 gram of Si and 4 grams of Boron G683. All mixtures are pressurized at 600 MPa. 6 parts of mixture A and 7 of mixture B have been taken and processes at different temperatures in the furnace, the temperatures are 1220, 1230, 1235, 1240, 1280, and 1295o C. The report will analyze the various outcomes of the different experiments carried out under different conditions. PROCEDURE The mixtures underwent a complete procedure to obtain the results... and compare them according to different standards. The procedure of the experiment is...
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Lab report
1 pages (250 words)
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...mixture of barium sulphate (BaSO4), silver chloride (AgCl... Discussion The motive behind this laboratory experiment was to find ways in which wasted solution could be recycled. The results obtained from the experiment would be used by the waste disposal company to find an alternative use to waste solution instead of disposing them. The company believed that is was possible to use the waste solutions to make valuable solids and use this as an avenue of increasing the profitability of the company. The aim of this experiment was to investigate whether it was possible to make valuable solids from waste solutions. After carrying a series of experiments that involved mixing the various waste solutions, a...
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Elements, Mixtures and Compounds
4 pages (1000 words)
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...Mixtures and Compounds Schools Number and of (e.g., May 13, Elements, Mixtures and Compounds 1) Describe in detail the difference between a mixture and a compound.  A mixture comprises of two or more substances that are not held together by chemical bonds. On the other hand, a compound is made of two or more elements held together by chemical bonds (Leong & Aik, 2009). The differences between mixtures and compounds are discussed below: A mixture lacks fixed composition while a compound has a fixed composition. For example, a mixture of iron and sulfur can be taken in any proportion while a compound such as iron (II) sulfide always has a ratio of 7 : 4 by mass of iron and sulfur (Leong... Elements,...
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Elements, Mixtures and Compounds
4 pages (1000 words)
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...Mixtures and Compounds Schools Number and of (e.g., May 13, Elements, Mixtures and Compounds 1) Describe in detail the difference between a mixture and a compound.  A mixture comprises of two or more substances that are not held together by chemical bonds. On the other hand, a compound is made of two or more elements held together by chemical bonds (Leong & Aik, 2009). The differences between mixtures and compounds are discussed below: A mixture lacks fixed composition while a compound has a fixed composition. For example, a mixture of iron and sulfur can be taken in any proportion while a compound such as iron (II) sulfide always has a ratio of 7 : 4 by mass of iron and sulfur (Leong... ? Elements,...
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Saponification Lab Report
2 pages (500 words)
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...mixture was heated for fifteen minutes testing it with water to check for saponification. 6. The end product was placed in a 100Ml beaker and alcohol evaporated from the solution. 7. 30mL of distilled water was added to the mixture and heated while stirring. 8. 1mL of the final product was tested for action against grease. 9. 0.5mL of detergent was mixed with distilled water... Saponification Lab Report Background The Purpose of experiment is to produce potassium soap from saponification of fat. Saponification refers to the process of soap synthesis from fats. Saponification takes place when triglycerides which are present in fats react with bases such as potassium or sodium hydroxide. The end result...
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Concrete
15 pages (3750 words)
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...mixture for use in buildings dates back to almost 3000 years. Egyptians used this technology, which is evident from the construction of pyramids by them, many years back. Syrians used concrete even before Egyptians did. However, the Roman Empire refined the use of concrete mixture, which involved blending process somewhat similar to the present technique. Concrete remains the most essential part of our daily activity, as people need to take shelter... Aspdin, a stonemason discovered Portland cement in 1824. The name Portland came from the mining area, which produced the tough stone required for making such cement, which came from stones quarried on the Isle of Portland, in Great Britain....
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Nutrition assignment
2 pages (500 words)
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...Mixtures, Fruits & Vegetables Part Identifying Flours Flour comes in many varieties. Find at least four different kinds of flour at the grocery store. Fill in the tables below and answer the question at the end for extra credit. Kind of flour Price of flour per pound Store where you found it Gluten or gluten free Best use of the flour in a baked product* All- purpose flour 0.530 El- super markets Gluten Pies, yeast bread, pancakes, waffles, Danish pastry. Buckwheat flour 0.10 Grantstone supermarket Gluten- free Cookies, galettes, quick bread. Cake flour 0.195 El- super markets Gluten cakes Semolina flour 0.899 Grantstone supermarket Gluten Pasta, Italian puddings... due: Assignment 4: Flour...
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Separation of Mixtures of Solids
3 pages (750 words)
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...MIXTURES PURPOSE This experiment was performed to become familiar with the separation of mixtures containing solid components. DATA Table 1. Recorded Weights During the Experiment Before Separation A. Weight of weighing dish 0.6 g B. Weight of mixture + dish 4.7 g C. Net weight of mixture (B - A) 4.1 g During Separation D. Iron fillings 1.2 g E. dry sand 0.4 g F. Benzoic acid 0.2 g G. Salt 0.7 g H. Total weight of separated solids (D+E+F+G) 2.5 g Comparing before and after separation Percent loss during procedure ([4.1-2.5/4.1]*100) 39% OBSERVATIONS Table 1 summarizes the weights recorded during the experiment. As can be seen, the total weight of the mixture’s components after... separation...
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Organic Synthesis Sterine, (S)-Phenyl-1-Propanol and 1, 4-Dyhydrobenzoic Acid
4 pages (1000 words)
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...mixture was heated to 800C for 13minutes until palladium began to form solid. Maintaining the temperature at 800C, 6ml of sodium sulphate solution was added. There was a further addition of 4.5 sodium sulphate followed by stirring of the mixture for 35minutes at the same temperature until the catalyst turned black. The catalyst was separated using Buchner funnel... ORGANIC SYNTHESIS OF STERINE, (S)-PHENYL PROPANOL AND 4-DYHYDROBENZOIC ACID by Physical address ORGANIC SYNTHESIS OF STERINE, (S)-PHENYL-1-PROPANOL AND 1, 4-DYHYDROBENZOIC ACID Abstract This report explores suitable and safe experimental procedures followed when conducting a synthesis of styrene, (S)-Phenyl-1-propanal and 1, 4-Dihydrobenzoi...
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Effect of oil viscosity on the flow structure in in horizontal oilwater flow
3 pages (750 words)
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...mixture of water and oil characteristics of σ = 20.1 mN/m not reported before was set up in an acrylic pipe of 24.5 mm. Phase inversion, pressure gradient and flow patterns data of the experiment, are collected and put under analysis with expansive observations. The oil viscosity effect on pattern structure... Effect of Oil Viscosity on the Flow Structure in Horizontal Oil–Water Flow The pressuregradient and flow pattern of oil with the accompanying immiscible liquids is a topic of intense study interest. This is partially for the reason that fluids with dissimilar features display diverse flow behaviors in dissimilar pipes shapes of diverse functioning settings. In this research experiment, a...
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Methadone
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...mixture with the levo rotator form being more active pharmacologically. This synthetic drug primarily mimics morphine in its ability to act at the µ opioid receptors however with the advantage of lacking addictive potential. Introduction Drugs used for therapy in human and animal medicine may have a biological origin or may be synthesized artificially. Whatever the source, all drugs have a particular chemical structure and modifications in the structure have been attempted historically to enhance their therapeutic effect or reduce their side effects. Thus the subject... ?Methadone All drugs are primarily chemical moieties which exert their pharmacological actions by interacting with receptors inside...
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OOS-Deviation assignment detecting the presence of diethylene glycol in toothpaste by thin layer chromotography
1 pages (250 words)
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...mixture in the ratio of 85:10:5 of Toluene, Developing Solvent Acetone and 5M of Ammonium... Hydroxide. Additionally, for detection purposes, you will require 6.7 mg/mL of developing the solvent of Potassium Permanganate Staining Solution. Procedure of detecting DEG in toothpaste Centrifuge tube of 50mL polypropylene to sample a preparation of toothpaste with a weight of around 1.0g. To disperse the toothpaste, add 5mL of water and vortex for around 1 minute. Next is the addition of 5mL of acetonitrile to the mixture followed by vortex about 1 minute. Prior to collecting around 1mL of the supernatant, centrifuge the mixture until you obtain a crystal-clear...
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Fire Protection Essay
1 pages (250 words)
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...mixture, etc) in ceilings/roofs (Avillo, 2002). For windows smaller pane and double or tempered pane glass is preferred while skylights must not be made of flaming material. Firewalls, rated wall to resist fire, can be constructed to avoid the spread... Running head: Building Construction Building Construction for Fire Protection s Building Construction for Fire Protection Construction with steel comprised of a steel skeleton made of steel columns and I-beams. The frame is able to support the attached building (floor, roof, wall, etc.) due to its rectangular shape. Due to their strength, steel frames are employed in skyscrapers. Concrete is one of the most significant ingredients in construction to impro...
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Using Roof Shingle for Asphalt Pavement
3 pages (750 words)
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...mixture used for manufacturing and paving roads. The amount of asphalt shingles is kept constant at 5% in the aggregate mixture for desirable properties. It has been researched that increasing the amount of asphalt shingles to 7.5% in the aggregate mixtures renders the mixture soft and compromises pavement performance... ?Using roof shingles for asphalt pavements Asphalt shingles are used widely in order to create roofs especially for residential applications. It is estimated that asphalt shingles comprise between two thirds and four fifths of all materials used in the United States to create roofs (North East Recycling Council, 2012). Asphalt shingles are manufactured using a number of substances...
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Separation of Mixtures of Solids
3 pages (750 words)
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...MIXTURES PURPOSE This experiment was performed to become familiar with the separation of mixtures containing solid components. DATA Table 1. Recorded Weights During the Experiment Before Separation A. Weight of weighing dish 0.6 g B. Weight of mixture + dish 4.7 g C. Net weight of mixture (B - A) 4.1 g During Separation D. Iron fillings 1.2 g E. dry sand 0.4 g F. Benzoic acid 0.2 g G. Salt 0.7 g H. Total weight of separated solids (D+E+F+G) 2.5 g Comparing before and after separation Percent loss during procedure ([4.1-2.5/4.1]*100) 39% OBSERVATIONS Table 1 summarizes the weights recorded during the experiment. As can be seen, the total weight of the mixture’s components after... SEPARATION OF...
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Separation Strategies for Isoprenoids from Aqueous Solutions
10 pages (2500 words)
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...mixture. Thus distillation is a physical separation process, and not a chemical reaction. Basically, the operation, as performed in the laboratory, involved the use of a heat source, a distilling flask, a condenser, and a receiver to collect the distillate. This simple... ?Separation Strategies for Isoprenoids from Aqueous Solutions Executive summary Isoprenoids are a of biomolecules of great interest given theirbiological activity. Thus several separation techniques have been developed to isolate them from their natural sources, which in most case are aqueous medium. These techniques include conventional ones such as the distillation techniques, chromatographic techniques, crystallization and solvent...
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Formation of Isoamyl Acetate
1 pages (250 words)
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...mixture was stirred for 2 minutes after which a catalytic amount of sulphuric acid was added. The reactive mixture was refluxed for 15 minutes under vigorous stirring. During reflux a colour change... Your Module Formation of Isoamyl Acetate The purpose of the experiment is to conduct a condensation reaction between isoamyl alcohol and acetic acid to obtain isoamyl acetate. According to the procedure description, acetic anhydride was used to obtain the required ester: Figure 1: Synthesis of isoamyl acetate (Clayden, et al., 310). A 50 ml. round bottom flask equipped with a magnetic stirrer was charged with acetic anhydride (6 ml, 6.49 g, 0.064 mol.) and isoamyl alcohol (5 ml, 4.05 g, 0.046 mol). The m...
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Chemistry
3 pages (750 words)
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...mixture is Cu2O CuO contain 1.500g Mass of li produced =1.252g % Composition of li in the mixture; 1.252g * 100 = 83.47% 1.500g 100%- 83.47% = 16.53% = % of oxygen in the mixture. Cu2O... Isaac Mutinda Order: 127810 CHEMISTRY WEEK Q This is a good advice because it will help in achieving accuracy and hence uncertainties in measurement are avoided. Q.2. These data are in accordance with the multiple proportion which states that when two elements combines together to form more than one compound, there is a simple numerical ratio between the different masses of one element which ...
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Tears of the Black Tiger: A Critical Analysis
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...mixture of romance and action. Evidently, this Thai film seems to introduce nothing new other than the contemporary rich girl-poor boy association and the related conflicts. There is the opposition from the girl’s family and a band of bandits to threaten the lives of the altruistic hero and his beloved. Admittedly, the film is a go back to the Thai action movies of the 1960s. It is a good mixture of melodrama with action. Poor Seua Dum bonds with Rumpoey, but they are separated as her family moves away due to World War II. As they reunite later, they reveal their love for each other... Tears of the Black Tiger A Critical Analysis ‘Tears of the Black Tiger’ is a colorful movie that has a vibrant mixture ...
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Batch Distillation Column
2 pages (500 words)
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...mixture at the particular instance. In particular, the mole fraction of methanol in the mixture... MCCABE-THIELE ANALYSIS OF BATCH DISTILLATION Results and Inferences The following results were obtained during the batch distillation experiment: Thermocouple After 15 minutes After 30 minutes Steady State T1 77 78 70 T2 64 63 64 T3 63 63 63 T4 63 63 63 Take-off sample: 66 Bottom Sample: 97 After 15 minutes After 30 minutes Steady State Top 1.33089 1.32980 1.32937 Bottom 1.33445 1.33448 1.33447 From the Composition-Refractive Index graph that has been provided, the above data on refractive index at different times becomes useful. The refractive index for the sample is indicative of the composition of the mi...
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Paraphrase a reports and solve past exams papers
8 pages (2000 words)
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...mixture for 60 seconds. The pressure was released by inverting the funnel. The mixture was then shaken until a double layer was seen. The top layer was washed with 50ml of brine before adding sodium bicarbonate (50ml). The funnel was shaken gently until no effervescence was observed. The top organic layer was washed with water followed by brine in the funnel. Both brine and water ought to be 40 ml. The top organic layer... was then transferred into a conical flask before adding anhydrous magnesium sulphate. The mixture was swirled and filtrated in a round bottomed flask. The final product was then distilled in a pre-weighed flask that is ice-cold. The weight and melting point...
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Algebra Math Problem
6 pages (1500 words) , Download 2
...mixture problems in which itemsof various types or grades are sold at distinct values. This is particularly useful for starting entrepreneurs who consider establishing business on a small-scale with simple calculations carried out. Application: Matthew would like to put up a small coffee-bean store selling two special varieties of coffee – Arabica(M) and Robusta(H). He estimates obtaining profit from each kg of Arabica(M) worth $10.50 and from each kg of Robusta(H) costing $9.25. If he desires to have 2500 kgs of bean-mixture sold for $9.74 per kg, how much of each kind must be present in the mixture? Solution: Let x = the quantity... Final Project The system of linear equations may be applied to...
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Fusion style in Jazz
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...mixture of jazz and rock. The rock bands in an attempt to improvise added jazz elements to their music. According to wikepedia.org (Web, 2008): “Jazz fusion is a musical fusion genre that developed … from a mixture of elements of jazz such as its focus on improvisation with the rhythms and grooves of funk and R&B … the beats and heavily amplified electric instruments and electronic … of rock.” According to Scaruffi, 2008: “Credit for "inventing" jazz-rock goes to Indiana-born white vibraphonist Gary Burton, … experiment with rock rhythms on The Time Machine (April 1966), that featured... Your Full 6 December Fusion Style in Jazz The fusion style of Jazz was developed in 1966. It started out as a...
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The song: Eleanor Rigby by the Beatles (2:08)
1 pages (250 words)
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...mixture of harmony and melody. The lead melody in the song is sounding Dorian mode which is relatively sharper than the degree of harmony in the song. The opening of the song is C-major. The reason behind this mixture of melody and harmony is that the composition has a consonant note. Metronome marking in the song is evident from the tempo. As per standard, Eleanor Rigby plays 120 beats per tempo. This is the reason behind considering... Technical Music Analysis of Eleanor Rigby The song Eleanor Rigby opens up with verse (where refrain lyrically covers verse). The reason behind its opening with verse is because the chorus changes music change in the song along with eight bars. Eleanor Rigby is a mixture...
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Potent and specific genetic interference by double-stranded RNA in Caenorhabditis elegans
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...mixture has the capacity to produce interference that is very effective. In the development of a dsRNA (double-stranded RNA), the evident feature is the potency of the antisense-sense mixture in the interfering activity. Figure 1 Placing the double-stranded structure in cis has no effect on the potent activity of the interference. That is, double-strand sequences that are positioned on level 3 or 5 of a single-strand segment are not able to trigger interference. Using unc-54, fem-1 and hlh-1... Potent and Specific Genetic Interference by Double-Stranded RNA in Caenorhabditis Elegans One of the significant functions of RNA is to impede the functions of endogenous genes. There has to be certain...
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Design, synthesis and pharmacological tests of leukotrienes A4 hydrolase inhibitors as a potential targets of interest in cancer
34 pages (8500 words)
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...mixture of isomers, 10 ml) were added bromonitromethane (279.9 mg, 2 mmol), dimethylamine bromide (1.134 g, 9 mmol) and potassium fluoride (8.7 mg, 0.15 mmol). The flask was equipped with a Dean-Stark system and the mixture... ?Aims: The aim of this project is to design, synthesis and pharmacological tests the LTA4 hydrolase inhibitors as highly promising compounds in cancer treatment. Objectives: Based on resveratrol, synthesize new, potent LTA4 hydrolase inhibitors with high antitumor activity. Test in vitro all the synthesized resveratrol derivatives to prove their efficiency as LTA4 hydrolase inhibitors and as novel, promising molecules in cancer treatment. Experimental section General information...
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Technical Definition and Description
5 pages (1250 words)
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...mixture with other elements, usually with the iron ore. The manufacturing process is illustrated in the diagram below. Steel Manufacturing Process (Source: Green and Batchelor, “The Manufacture of Steel”) From the above presented diagram, it can be identified that the steel manufacturing process consists of three major steps, which are discussed hereunder. Vanadium Recovery. Vanadium is an element, which is converted into steel through a certain specific process. In this step, the molten iron is allowed to float over a surface, wherein it dissolves titanium, manganese, silicon... Technical Definition and INTRODUCTION Steel is an alloy of metal usually made by the composition of iron and carbon. The only...
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Engineering Materials Characterization of PM Stainless Steels
4 pages (1000 words)
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...mixture were used to produce stainless steel. The one this report has special emphasis in the one with boron added to the powder mixture. Over the course of the report, certain aspects of boron and its effectiveness as a alloy element in ferrous mixtures will be discussed. Also the effect of temperature and the hardness effect on the steel produced from the mixture... -0.15%) may induce sufficient harden-ability and strength in powder metallurgy steel as to lower the level of the alloying element and increases the compressive nature of the powder. These small amounts may be sufficient enough to hardened the alloy with the correct heat treatment. For understanding purpose the terms sintering or hardenability should be explained. Sintering or hardenabilty...
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