Melting Point Determination Identity and Purity of Solid Organic Compounds Objectives • To introduce the technique of melting point determination. • To use the concept of melting points for identification and characterization of organic compounds. • Properly fill and use a capillary melting point tube. • Determine accurate melting point ranges for a wide variety of organic substances. Introduction The melting point of a solid can easily and accurately be determined
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Pol Pot (Saloth Sar) was an infamous war criminal and the leader of the Cambodian communist movement called the Khmer Rouge. He was also the Prime Minister of Democratic Kampuchea from 1975-1979. Pol Pot’s totalitarian regime brought severe hardships on Cambodia‚ killing at least 1.5- 3 million people. This is at least one-fifth of the Cambodian population. Pol Pot brought a reign of horror with devastating effects to the people of Cambodia as a ruthless dictator for 4 years. The Khmer Rouge and
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Introduction The purpose of the experiment was to determine the melting points of compounds using a Mel-Temp device. The melting point of naphthalene‚ urea‚ and sulfanilamide are found. This is then followed by the measuring of an unknown compound‚ and an impure sample (a small amount of naphthalene mixed with the unknown). Experiment In the lab‚ the height of the chemical in the capillary was set to 2-3 mm thickness. The voltage at the Mel-Temp started at a low setting of 1.5-2. The heat was
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REPORTIntroductionWater is a liquid that freezes and also melts at 32*F (0*C). Melting and freezing points are temperatures when a solid substance turns to a liquid. Liquid is a substance that flows to fit its container.Water Water is a liquid that is odorless‚ colorless‚ and tasteless. Water freezes and melts at 32*F (0*C). As water freezes it expands by one-eleventh. The amount of pressure on the water when it is freezing changes the melting point. Water that reaches 40*F it is at its maximum density. The
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kindergarten‚ so I thought I was more superior than the rest of my class‚ which made me want to read more often. In third grade my teacher started reading a book aloud to my small‚ obnoxious ‚ excited class. “Today we’re starting a new book called Snot Stew.” The class scribbled colors on a sheet the teacher gave us while she reads‚ I worked on my late math‚ passionately wishing for a coloring sheet. I enjoy the book so much I get off task on my math. This memory made me more interested in books because
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legitimized in a couple states‚ it is still surrounding us; legitimately or not. Individuals all around the globe wonder why it’s not lawful all over the place. How can it be that this medication has gotten to be illicit everywhere throughout the world? Pot in the United States of America has been quarreled over since the medication and its belongings were initially found a huge number of years back. Cannabis has been checked in numerous structures and demonstrated to convey extremely positive impacts
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Latino Culture: The Struggle with the American ‘Melting Pot’ The year is 1776. In an act of defiance of the oppressive rule of the powerful nation of Great Britain‚ the political leaders of the British-American colonies sign into existence the United States of America. Even before this inception of the United States‚ North America had been seen as a place where one could move to start a new life and reap the full rewards for one’s work. These opportunities combined with the new United States government
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In the short story “The Metaphor” by Budge Wilson‚ a girl named Charlotte has a wonderfully flamboyant English teacher‚ Ms. Hancock. Mrs. Hancock has a certain way of making reading‚ writing and interpreting stories come alive for Charlotte. However‚ Charlotte’s mother does not approve of Ms. Hancock and is extremely rude and disrespectful to her. After Ms. Hancock passed away‚ Charlotte’s mom stated "lf you would examine this whole‚ perfectly natural situation with a modicum of rationality‚ you
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The Metaphor The people you interact in your live influences who you become. In Budge Wilson’s short story "The Metaphor" two characters named ’Miss Hancock’ and ’Charlottes Mother’ are both important role models for Charlotte‚ who is the main character. These women have very different personalities‚ with a few similarities. Miss Hancock and Charlotte’s mother have a few similarities. One characteristic is that they are both important role models in Charlotte’s life. At school‚ Charlotte idolizes
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The early American Christian attitude of limited tolerance for other religions is still apparent today with the issue of NFL players not standing for the National Anthem. Football is so meaningful to American culture‚ that it has become a segment of many people’s religion‚ so when an athlete decides to sit during the National Anthem‚ fans view it as a slight to their religion and their country at the same time. Football fans are a part of one large community where people come from all different
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