| | | |Chem201L | | Determination of an Unknown Compound using Mixed Melting Point Method Winnie Adrian Ibanez‚ Jerome Allan Japitana‚ and Dante Jimenez III Group no. 7‚ 2Chem a Department of Chemistry‚ College of Science‚ University of Santo Tomas‚ España‚ Manila‚ 1015‚ Philippines |ARTICLE INFO
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The Melting Pot For hundreds of years‚ people have been immigrating to America. The list of reasons for this action can be infinite. The most common motive is to begin a new life. Inhabitants from all over the world desire to move to such a great country. This is because there are so many great opportunities in this country that can help people live a great life. Therefore‚ America is the blender and transcender of ethnicities because of language‚ social norms‚ and food. In the states‚
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Billions of Cryoconite holes are polluting the Earth’s icebergs. Cryoconite is made from a combination of desert dust‚ mixed with flakes of carbon‚ soot from wildfires‚ diesel exhaust‚ and coal-fired power plants. Cryoconite is a thick leaching black substance that absorbs the sun’s heat and speeds the melting process. Cryoconite is a toxic product of human industrialization. It is a bewildering concept to try to understand that humans have the capability of changing the basic chemistry of this massive
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Crystallization and Melting Points Organic Chemistry 221 9/19/2012 Intro/Purpose: The purpose of this lab was to use crystallization to separate a compound from a solvent and be able to choose the best solvent to do so. Then identify an unknown and verify purity using melting points. Solubility contributes to crystallization; because a solute has lower solubility at lower temperatures‚ which makes the solvent separate from the solution as a solid. This process is important to understand because
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Melting Pot Many cultures from different countries have come over to America and made it a “Melting Pot.” Each year in America‚ many immigrants come from different countries and shares their unique cultures with America. As Marin used the term Melting pot in his essay “Towards something American‚” it describes as an unused furnace that does not burn until imported values and lives stop being fed into the system; moreover‚ Marin mentioned that Americans have no culture. On the other hand‚ Taylor
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living standards‚ beliefs‚ or religious spectrum are what defines who we are as individuals‚ group‚ or nationality of people. Furthermore‚ Iceberg represents the core values of a person‚ the good‚ bad‚ and the ugly. Second‚ emotional character or the person’s essence is the underlying of a person or the iceberg theory what’s below the surface. Granted‚ iceberg or the tip of a person is how they speak‚ look‚ representation of their culture or what you can physically see or touch. Undoubtedly‚ to know
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trans-parent and reflects blue light and absorbs all other colors. Yet it tell you about other colors you only see the blue ice. The park shows you Icebergs that looks like mountains and the part of the park that trees is still there and how
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Lab #1: Melting Points of Organic Compounds Report Form May 15‚ 2014 1. A “Melting Point Range” refers to the range of temperature at which a solid melts into its liquid state. 2. Pure compounds have narrow or ‘sharp’ melting point ranges‚ 1°C or less if the compound is very pure. A less pure compound exhibits a broader melting point range‚ between 3°C to 10°C as well as a depressed or lower range. 3. Crushing the sample allows for greater surface area-to-volume ratio of the powder‚ this
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Melting Point Determination and Thermometer Calibration Lab Background: The melting point of a substance‚ a solid in this case‚ signifies the temperature at which the first crystal starts to melt until the temperature at which the last crystal disappears is reached. That being said‚ melting points are expressed in ranges‚ am organic compound will have a sharp range depending on the purity of the compound. Impurity of an organic substance will register an abnormal melting point based on its
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’ T he -Laughing Clowns coffee shop is situated in a rural city of Australia. The population is approximately 25‚000‚ yet this figure fluctuates markedly as a major university is situated in the town. The university has a large contingent of external students who fillthe population g~\Pleft by the internal students when they are on term breaks. There are seven coffee shops in the ll)Wn‚‚111d each of them has its own special atmosphere. The Laughing Clowns has been in existe.nce for ten
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