of solvent extraction‚ also known as liquid-liquid extraction‚ a method of separating two materials with different physical and/or chemical properties. Two methods of evaporation will be used to finally determine the concentration of impurity- one using an explosion-proof hot-plate‚ and one using a rotovap. III. Theory Fig. 1a+1b. Figure 1a shows how water and oil separate in the separatory funnel‚ while figure 1b shows the actual apparatus. Liquid-Liquid extraction is a versatile and dependable
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If you think that the people who work alone are the ones who’ll never succeed in life‚ think again. These people aren’t alone‚ they’re independent. Pay close attention to these people. They are often the ones that become leaders. Independence is the ability to accomplish tasks without help‚ and the ability to control one’s own life. Independence is the key to adulthood. As an adult that has either found a job or has just started college‚ it is important that you realize that you’ve been given responsibilities
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Chapter 1: Introduction Chapter 1: Introduction Ionic liquids (ILs) can be viewed as a new and remarkable class of solvent. They are also a type of materials that have a long and useful history‚ where the earliest material that meets the current definition of IL was observed in the mid-19th century when a separate liquid phase called the “red oil” was observed in Friedel-Crafts reaction [17]. Over the following years‚ there has been a rapid growing of interest in ILs due to the realization
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Tammy Wang‚ a new customer‚ to fulfill a large one-time-only special order for a product similar to one offered to regular customers. The following per unit data apply for sales to regular customers: Direct materials $455 Direct labor 300 Variable manufacturing support 45 Fixed manufacturing support 100 Total manufacturing costs 900 Markup (60%) 540 Targeted selling price $1440 Grant’s Kitchens has excess capacity. Ms. Wang wants the cabinets in cherry rather than oak‚ so direct
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Two Variable Inequalities Ashford University MAT222 Two Variable Inequalities In this week’s assignment‚ we examine two-variable inequalities. This includes independent variables‚ dependent variables and graphic solutions of these inequalities although graphs can express many different possibilities of answers. In this week’s assignment‚ number 68 on page 539 in our text Elementary and Intermediate Algebra (Dugopolski‚ 2012) is our given problem. The graph below is similar
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are the major types. Insulin-dependent diabetes mellitus (IDDM‚ type 1) is frequently arisen when the immune system recognizes β-cells of pancreatic islet and destroys them. As a result‚ the body is not able to metabolize glucose properly due to lack of insulin production. It is usually affected young adults who are less than forty years old‚ and characterized by polyuria‚ polydipsia‚ polyphagia‚ weight loss‚ nausea and vomiting. On the other hand‚ non insulin-dependent diabetes mellitus (NIDDM‚ type
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Rate of Evaporation of Different Liquids Objective of the Project This project is of the rate of evaporation of different liquid‚ in which we also discuss the factors which affect the rate of liquid. Introduction When liquid is placed in an open vessel. It slowly escapes into gaseous phase ventually leaving the vessel empty. This phenomenon is known as vaporization or evaporation. Evaporation of liquids can be explained in the terms of kinetic molecular model although there
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Name:Shin Park|Date:06/14/2013| Exp 5: Liquids and Solids|Lab Section: | Data Table: Boiling Point Trial 1 Trial 2 Trial 3 Temperature when the last bubble has emerged ___83_˚C __82__˚C __82__˚C Average temperature from all three trials ___82.33_˚C % error ___.0849_% Melting Point Trial 1 Trial 2 Trial 3 Temperature when the acetamide melts __82__˚C _81___˚C __82__˚C Average temperature from all three trials ___81.66_˚C % error
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Hypothesis Testing Paper Homelessness is an ever growing problem that the numbers seem to increase in severity in the larger cities. Chicago‚ Illinois has numbers that exceed more than 93‚000 individuals that are homeless and out of those there is close to 20‚000 that also suffer with a mental illness. In addressing the link between mental illness and homelessness it is clear that the numbers are large due to lack of medical care and the de-institutionalization from the 1960’s. In an attempt to
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Lab report: Viscosity of Liquids Introduction This experiment focuses on measurements of different trials of various concentrations. The collected data is used to compare and contrast to the ideal binary solutions and their components. The Ostwald viscometer is a useful laboratory equipment to measure the viscosities of many binary solutions. Background Molecules have the ability to slide around each other‚ result in a flow. Such a flow has a resistance called viscosity. Microscopically
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