Separating a Mixture of Compounds Exp. No. 2 name Chemistry 145 February 2‚ 2014 I. Purpose The purpose of this experiment was to separate this mixture into components‚ determine the mass and percentage of each component. In addition to test the accuracy of an alternative method of subtraction to find the mass of the sodium chloride directly. Start with a mixture of sand (SiO2)‚ sodium chloride (NaCl)‚ and ammonium chloride (NH4Cl)‚ and use these separation processes: sublimation filtration
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Summary Purpose To purify the component (unknown) of Pancetin from last experiment and then compare its melt point to the two other possible substances. Theory Panacetin should be made up of about 50 percent of the unknown component that we previously separated out of Panacetin for testing. We suspect that this unknown compound is either acetanilide or phenacetin. From the solubility of acetaminophen and phenacetin‚ we could know both of them are relatively soluble in boiling water but insoluble
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Components of Pharmacology The main components of pharmacology in substance use disorders include understanding how the methods of administration and routes of absorption affect the high in individuals. There is undeniably a chemical side to addiction. If a person consumes a substance‚ it can have an effect on the brain (Clinton‚ 2009). Pharmacology is simply the study of how the body reacts to medicines and how those medicines affect the body (National Institute of Health [NIH]‚ 2011). Methods
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Chapter 2 The Components of Matter Elements‚ Compounds‚ and Mixtures: An Atomic Overview An element consists of only one kind of atom. An element is one kind of substance – the composition is fixed. Each element is unique because the properties of its atoms are unique. Molecules are structures containing two or more atoms chemically bound together. Diatomic molecules are two-atom molecules such as elemental oxygen. A compound is a type of matter in which two or more different elements are chemically
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current and retired military from the federal government. Though there variations of how all of the Americans are cared for‚ there are common components that make each version of the healthcare system a whole. The following will describe the basic service components and why they are necessary to make a healthcare system complete. The first of these basic components is Primary Care. Primary Care is defined as a basic level of health care provided by the physician from whom an individual has an ongoing
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Valduron Cleare English 119 18th October‚ 2011 Cultural Component The components of culture are: the attitudes‚ beliefs‚ customs‚ traditions‚ art‚ clothing‚ food‚ language and achievements of society that are passed on to each generation. With that explanation I’ve realized that culture is in almost every aspect of our lives. I experienced at least four of these components during my recent trips to Arawak key. Firstly‚ as a tradition for most Bahamian birthday celebrations‚ the main
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Ideas created by members of a society - Material culture Tangible things created by members of a society - Only humans rely on culture rather than instinct to ensure survival. The Components of Culture - Although culture vary‚ they all have five common components: a) Symbols b) Language c) Values d) Beliefs e) Norms A) Symbols - Anything that carries a particular meaning recognized by people who share culture - Example
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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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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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Separating the Sexes‚ Just for the Tough Years 1. The middle school years (grades 7 and 8) are known to be the “tough years”. These are the years when the uneven pace of girls’ and boys’ physical‚ emotional‚ and cognitive development is most noticeable. Girls are ahead of boys on all counts‚ and both suffer. Educators debate whether separating boys and girls during these difficult years might improve students’ academic performance. Separate Classes are now prohibited in public schools that receive
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