Selective Precipitation of the Barium Magnesium Group ABSTRACT The purpose of this lab was to identify the cations from the barium magnesium group present in an assigned unknown solution through selective precipitation. This was a qualitative lab where the theory of the common ion effect was used in several steps. Once the experiment was completed‚ it was determined that unknown solution #4 contained Ba2+‚ Sr2+‚ and Mg2+ ions. INTRODUCTION Selective precipitation is a part of chemistry
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How do rainbows form? 2-24-2007 One of the most fascinating things occurring in nature‚ is the formation of a rainbow. Everyone‚ at one time or another has seen a rainbow‚ and without a doubt‚ has wondered why these beautiful things are not seen all the time? This is exactly what will be explained in this paper. A rainbow‚ simply put‚ is the dispersion of white light (from the sun)‚ through a prism (raindrops) into a visible spectrum. To see the rainbow the viewer must be between the
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mission‚ to design strategies to achieve long term objectives‚ and to develop policies to achieve annual objectives. The process of performing an external audit should include as many managers and employees as possible. This creates understanding and commitment from organizational members. There are a few external forces that an organization should take into account while making strategies. These forces can be divided into five categories: * Economic Forces: Economic factors have a direct impact
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environment from my awareness or don’t hear a story my roommate tells me while checking Facebook on the computer. However‚ when hearing my name from a distance‚ I can automatically switch gears and will listen to what is being said. The reason for this is selective attention. When on the mound during a softball game‚ I selectively pay attention to the pitch I am about the throw and how I’m going to go about that pitch. I process information from one part of the environment and exclude all the other parts. I
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A Prisoners Tale of Prison A Prisoners Tale of Prison A prison is a penal institution administered by the state or federal government. It is a place for the confinement of persons convicted of criminal offenses and is therefore part of a larger penal system‚ which includes other aspects of criminal justice such as courts‚ law enforcement‚ and crime labs. Nevertheless‚ many people are critical of the US’s prison system the idea of locking up those who commit crimes against a society simply to
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and was proposed an offer of receiving money in order to prevent the case from going to trial‚ I would simply tell the victim not to take the bribe. Yes‚ indeed the victim may be going through financial problems‚ but is the money really worth the pain that the offender has brought upon you? Receiving money from a person who is capable of committing such a horrible crime like rape not only makes you look bad‚ but in fact‚ allows the offender not to receive the full punishment he or she deserves and
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...................................3 METHODOLOGY AND CONSULTATION ..................................................................4 Consultation during the development of the NSA Briefing Papers...............................4 Acknowledgements ......................................................................................................5 1. INTRODUCTION...............................................................................................6 2. 2.1 2.2 2.3 SCARCE AND CRITICAL SKILLS:
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her instinct‚ she warned him about the upcoming peril‚ but she was only a woman and he was Caesar‚ therefore he didn’t listen to her. Murder‚ death‚ chaos‚ and war could have all been stopped‚ only if Caesar would stand firm and stand back from his principles. Calphurnia was a minor character whose judgments‚ if listened to by Caesar‚ could have changed the entire course of the play. Calphurnia’s dream was very detailed and insightful. Caesar did give some attention to it before Decius changed the
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JUVENILE OFFENDERS AND THE DEATH PENATLY Juvenile Offenders and the ideas of how to punish them for their crimes has been a national topic of discussion with just about everyone you meet. From the local politicians to the concerned parent who worries about their children. What punishment juveniles should receive has always been a sensitive subject. From state to state‚ city to city the views and opinions vary and varies on what should be the correct punishment for a juvenile offender. The juvenile
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Selective breeding (also called artificial selection) is the process by which humans breed other animals and plants for particular traits. Typically‚ strains that are selectively bred are domesticated‚ and the breeding is normally done by a professional breeder. Bred animals are known as breeds‚ while bred plants are known as varieties‚ cultigens‚ or cultivars. The cross of animals results in what is called a crossbreed‚ and crossbred plants are called hybrids. In animal breeding techniques such
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