¥°. Summary of Results A. Melting point of Benzoic Acid Temperature (¡ÆC) Observation Unmelted White salt First liquid appear point 122 Grainy and shiny white Becoming all liquid 125 Clear B. Melting point of unknown #42 1st trial Temperature (¡ÆC) Observation Unmelted Shiny light yellow crystal First liquid appear point 99 Grainy yellow Becoming all liquid 101 Clear 2nd trial Temperature (¡ÆC) Observation Unmelted Shiny light yellow crystal First liquid appear point 95 Grainy
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respective rules. Though Communist leader Pol Pot and German nationalist Adolf Hitler can be compared in several ways‚ there are also myriad differences between their ascendancies. The social dispositions and executions of Adolf Hitler and Pol Pot‚ although similar in several ways‚ also differed for numerous reasons during their supremacies. The social perspectives and exploits of Hitler and Pol Pot have multiple similarities. For example‚ both Pol Pot and Hitler advocated and‚ to an extent‚ succeeded
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world’s ice is slowly melting‚ so that also means our glaciers are melting (shrinking). This is a problem worldwide. The oil‚ coal‚ natural gases‚ and fossil fuels we burn affect our atmosphere and increase the temperatures that melt our glaciers. If the glaciers continue to melt rapidly ocean levels will rise‚ there will be flooding‚ there also could be droughts. This is a very serious issue today but I’m just going to tell you about two places for now. How does the melting of glaciers affect people
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Potoooooooo or Pot-8-Os (foaled in 1773) was a famous 18th-century Thoroughbred racehorse‚ known for his defeat of some of the greatest racehorses of the time and his later life as an influential sire. Pot-8-Os was a chestnut colt bred by Willoughby Bertie‚ 4th Earl of Abingdon‚ in 1773. He was sired by Eclipse‚ his dam Sportsmistress traced to Thwaites’ Dun Mare from the number 38 family and she was sired by Warren’s Sportsman. He was the first foal of Sportsmistress‚ who also produced the Epsom
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Postural Orthostatic Tachycardia Syndrome (POTS) From the time we are born till the time we die there is a muscle inside of us that is the root of our existence‚ it’s a muscle so dominant that we can actually hear and feel it throughout our growth‚ daily activities‚ and emotions of our everyday life. Inside our body there is a powerful muscular pump‚ which is known as the one of the main organs in the human body. This hollow‚ cone shaped‚ pump lies slightly left within the center of the chest
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Although this nation has long been called a “melting pot”‚ one would not have to look too deep into that analogy to see that it may not be the best way to describe the combination of people from various parts of the world that have chosen to live here in the United States. If various components were to be added and melted down into a pot of sorts‚ it would be reasonable to deduce that the result would leave an amalgamated form of matter of which the various components that construct it would now
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VI: Conclusion: The melting point of a compound is the temperature at which the solid is in equilibrium with its liquid. A solid compound changes to a liquid when the molecules acquire enough energy to overcome intermolecular forces holding them together in an crystalline lattice structure. The melting point range is defined as the span of temperature from the point at which the crystals first begin to liquefy to the point at which the entire sample is liquid. This data can be tabulated experimentally
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The Purity and Purification of Solids Melting Points CH-337 Abstract: The purpose of this experiment was to find the eutectic point for the mixture of naphthalene and biphenyl. This was done by measuring the melting point of both pure substances and five mixtures of different ratios. The purpose of the second section was to identify an unknown sample by measuring its melting point and mixing it with two known substances and comparing them. The results suggest that the eutectic point is closest
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TECH0701: Measuring the Melting Points of Compounds and Mixtures Introduction This exercise dealt with the melting points of pure mandelic acid and benzoic acid. The eutectic temperature and composition of mandelic and benzoic acid mixtures were determined. And finally‚ an unknown was identified by its mixtures and melting point. The melting point of a compound is used by organic chemists not only to identify the compound‚ but also to establish its purity. To determine the melting point two temperatures
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Secondary POTS means that there is an underlying cause for the symptoms that occur leading to damaged nerves. Secondary causes include anemia‚ adrenal disorders‚ Ehlers-Danlos‚ Lyme Disease‚ tumors‚ and many others. Anemia can show symptoms of POTS. Problems with the adrenal gland‚ which produces the stress hormone cortisol and other hormones that maintain adequate salt and water in the body‚ can lead to orthostatic symptoms and low blood pressure. Ehlers-Dalos in a genetic disorder that affects
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