The Separation and Purification of Organic Compounds Sunshine Marie Introduction Each year‚ many thousands of new or unknown organic compounds are prepared or extracted from natural sources such as plants‚ fungi and animals. In order to identify an unknown organic compound or the components of a mixture of organic compounds‚ it is necessary firstly to separate and purify the compounds. At any given temperature‚ a certain number of molecules of a substance in the liquid state have sufficient
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Components of Strategic Management Process can be referred to as procedures to be followed to achieve the purpose of strategic management. This is all part of the continuous process of improving the business in an effort to succeed and reach company goals. Strategic planning was developed as an alternative of then was called long-term planning. Strategic planning is more of leadership driven and vision based. The top management decides on the principles that guide the organization toward established
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Distillation is one of the most common separation techniques used in laboratories or industries where liquid chemicals are separated based on their volatilities. Distillation is usually done by vaporizing the liquid mixture in one vessel and condensing the vapors into another. The liquid mixture being distilled is called distilland and the resulting liquid is called distillate. In laboratories‚ there are several types of distillation used according to the needs such as simple distillation which involves
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us? o Nature – genes‚ heredity o Nurture – everything else that is not genetic (experience‚ environment) - Both are equally important in shaping who we are. There is also an interaction between the two. STUDY NOTES ONLY II – The Nature Component A) Genes: - 46 chromosomes‚ 23 pairs. - Genes carry DNA‚ which consists of thousands of genes amongst other things. - Genes = Basic Unit of Heredity - Gene complexes are genes working together to produce a trait or disease. - 4 Nucleotides:
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1 COMPONENTS AND SUBCOMPONENTS OF ENVIRONMENT 1.1 CLASSIFICATION OF ENVIRONMENT The term Environment can be broadly defined as one’s surroundings. To be more specific we can say that it is the physical and biological habitat that surrounds us‚ which can be felt by our physical faculties (seen‚ heard‚ touched‚ smelled and tasted.) The two major classifications of environment are : (A) (B) Physical Environment: External physical factors like Air‚ Water‚ and Land etc. This is also called the Abiotic
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phosphoric acid‚ and one boiling chip‚ were all added to a 10 mL round bottom flask that would be attached to the end of an assembled simple distillation set up. A sand bath was placed atop a hot plate‚ and the simple distillation mechanism was lowered into the sand bath with the bottom most piece (the 10 mL round bottom flask) submerged about half way. The distillation process was completed after a sufficient amount of liquid distillate had accumulated within the Hickman Still Head. Smaller volumes were
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Principles of Economics Components of Economy First Semester Introduction Human activities which generate income are known as economic activities. All the economic activities are classified into three categories viz. primary‚ secondary and tertiary. Activities that are directly associated with environment are known as primary activities as they refer to utilization of natural resources like land‚ water‚ vegetation‚ minerals etc. When primary goods are used to produce some other articles or
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Separation Lab Purpose: This lab was based on the separation of the components of a mixture. A mixture can be defined as a physical combination of two or more pure substances. Separation techniques are used to separate components that are not chemically combined. All of these techniques involve changes in the physical state of a chemical compound rather than chemical changes. Sea sand‚ table salt‚ and two other unknown substances will be separated using the separation techniques in order to demonstrate
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“Describe a theoretical approach whose influence on our understanding of perception has been particularly important‚ and explain your choice.” Recognition-by-components (RBC) theory (Biederman‚ 1987) has greatly influenced our understanding object perception and‚ more specifically‚ recognition. Recognition has been defined by Goldstein (2010) as how humans can categorise objects to give them meaning. RBC suggests that our recognition of objects is dependent on dividing the stimulus into a number
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Components of the Lithosphere -Rigid Outer Layer -Crust and upper mantle -tectonic plates Theory of Plate Tectonics -Theory that Earth’s surface is composed of large‚ thick plates that move and change in size -Combined hypotheses of continental drift and seafloor spreading‚ plus new observations using geophysics superconinents Pangea: super continent -Godwana: (Permian)‚ southern super continent‚ south America‚ Australia‚ new guinea Lavrasia: northern super continent Types of Plate Boundaries
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