identify what analgesic Jasper was given we took samples of the different analgesics and crushed them. We used a melting point apparatus to find out what the melting point was and matched it with acetaminophen‚ aspirin‚ or ibuprofen. Then we used the Infrared Spectroscopy to determine the function group of the molecules to help us identify which analgesic was used. Between the symptoms‚ melting point‚ and results of the infrared spectroscopy we were able to identify what analgesic Jasper ingested. Results:
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Preparation and melting point of Aspirin Aspirin is a painkilling drug and is produced worldwide to reduce and stop pain. Aspirin is made up of ehtanoylation of 2-hydroxbenzenecarboxylic acid in a presence of phosphoric acid. AIM: The aim of the experiment is to prepare and produce aspirin as pure as possible. I will do this threw preparing the aspirin and purifying the product threw recrystallization. I will then obtain a melting point of my product to get an estimate of its purity. By the end
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freezing point or melting point of water is the temperature at which water changes phase from a liquid to a solid or vice versa. The freezing point describes the liquid to solid transition while the melting point is the temperature at which water goes from a solid (ice) to liquid water. In theory‚ the two temperatures would be the same‚ but liquids can be super cooled beyond their freezing points so that they don’t solidify until well below freezing point. Ordinarily the freezing point of water is
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generally high melting points‚ are loose and flexible with their electrons‚ conduct electricity well‚ and have low solubility in water. Ionic compounds are generally crystals‚ have a high melting point‚ and usually have high solubility in water and conduct electricity well when dissolved in water. Covalent compounds have individual molecules‚ have a low melting point‚ and do not conduct electricity‚ and their solubility in water depends on the type of covalent bond. In the melting point test‚ the
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EXPERIMENT 1 COLLIGATIVE PROPERTIES OF SOLUTIONS Date: December 03‚ 2013 Locker 21 Members: Vanessa Olga Dagondon Christine Anne Jomocan Janica Mae Laviste Nablo Ken Menez A. TYPES OF DISPERSED SYSTEMS Results and Discussion The first part of the experiment aims to differentiate the different dispersion systems. In this experment‚ three systems are introduced: true solution‚ colloidal dispersion and coarse mixture. The said three systems are classified through a property of colloids known as the
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Part A.3. Some of the cyclohexane solvent vaporized during the temperature versus time measurement. Will this loss of cyclohexane result in its freezing point being recorded as too high‚ too low‚ or unaffected? Explain. -The freezing point will be higher because the loss of solvent means that the molarity of solute is too high. The melting point will be lower than expected. 5. Part B.2. The solute dissociates slightly in the solvent. How will the slight dissociation affect the reported molar mass
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temperature be raised when determining a melting point? When can the temperature be raised more quickly? 2) If there is an Impurity present in a sample‚ what is the effect on the melting point? 3) Explain why a) salt‚ spread on roads in the winter‚ helps prevent icing in‚ for instance‚ southern Ontario‚ and b) salt is useless on the much colder roads of Manitoba. 1) You would have to slowly raise the temperature up when determining the melting point due to the sensitivity of the dulcin being
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claim). -The Salicylic acid that I obtained had a melting point range around 157-158 degrees Celsius for Part A. For Part B the melting point range was 156-157.5 degree Celsius. Part B‚ I would say the sample is less pure because of the notion that impurities lower the melting point. Since part A ‘s melting point was higher and closer to the melting point of the pure sample‚ it was more pure. The pure Salicylic acid that I got the melting point for had a range from 158-159 degrees Celsius. The impure
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Melting Ice * Salt is routinely used to make icy roads and sidewalks safe in the winter. As soon as the salt comes in contact with the ice‚ the surface of the ice starts to melt. This only works‚ however‚ if the temperature outside is at or near freezing. If it is too cold outside‚ the ice itself becomes very dry and salt is not as effective in melting it. Salt Reduces Freezing Temperature of Water * Salt works by lowering the freezing temperature of water. Salt water needs to reach a colder
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98075 Dear Mrs. Sylva‚ After days of research‚ I have come upon one of the substances that will be the ideal compound for the glaze. I conducted a test to analyze the solubility of the substance in water and alcohol‚ the conductivity‚ and melting point. Some substances came very close to passing all the tests‚ but only one substance was able to pass all of them. I recommend using sodium carbonate as your substance. Of all the substances‚ only two were covalent and two were ionic. The ionic
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