Experiment: Titration of Acidic Household Substances Objective The purpose of this experiment is to determine the molarity and weight/volume percent of acetic acid in vinegar by titration with sodium hydroxide to a phenolphthalein endpoint. This procedure may be modified by titrating an acidic beverage such 7-up or Sprite. Equipment and Material (Total Time 60 – 90 min.) Variety of Berel Pipet Long glass stirring rod Wash bottle 10-mL graduated cylinder 100 mL beakers Material
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Just imagine being forced into a rail car knowing that you are on your way to the place you are going to die‚ the scared feeling that you may never see your family or friends again is the way that millions of Jewish people felt during the Holocaust on their way to the Auschwitz concentration camps. Auschwitz polish prisoner Pavel Stemin said‚ “Death‚ death‚ death. Death at night‚ death in the morning‚ death in the afternoon. Death. We lived with death. How could a human feel?” (Laurence‚ 2005)
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PNP –CNPPO Press Release Authority: PCI HONESTO ANTONIO GARON Public Information Officer Camarines Norte Police Provincial Office Camp Wenceslao Q Vinzons‚ Daet‚ Camarines Norte ------------------------------------------------- Date : 04 February 2013 1 Dies in a Vehicular Accident at Vinzons‚ Camarines Norte On February 3‚ 2012 at about 1:35 AM traffic accident transpired along Maharlika Highway involving a silver Kawasaki Fury motorcycle
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Ext. History Revision History- What historians chose to interpret from the surviving evidence of the past Source + Historians = Histories All historians have their own views and interests due to their upbringing hence that the process of selection and interpretation distorts our ‘knowledge’ further. Issues in historiography Training of historians Objectivity in history Oral societies and history Problems of historical research Universal history Evidence- selection Source- How? Truth-
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B6D1E1 Technology in Overcoming the Limitation of Sight Name: Chia Wenli Class: 2O Teacher: Cik Norhayati bt Md Nor Date: 3 Mei 2013 Content 1. | Objective | Pg 1 | 2. | Labeled picture | Pg 2 | 3. | The principle of sight | Pg 3 | 4. | Conclusion | Pg 4 | 5. | Reference | Pg 5 | Objective The aperture of a telescope is several times larger than the aperture of human eye so that the objects that cannot be normally seen by unaided eye can be seen. Light- gathering
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Energy can not be created or destroyed‚ but it can be transformed: the first law of conservation of energy. Since the earliest days of humanity‚ man has always been trying to control energy. It was not till the last century when Humans finally learned to harness the high concentration of energy existent in fossil fuels. Energy sources from fossil fuels such as oil and gas are going to run out eventually‚ they are non renewable sources of energy. Even though humans achieved to apply the first law
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Lesson 5 Review: Networking Models‚ Traffic and Devices The purpose of this activity is to reinforce what you have learned so far about local area networks technologies. 1. Describe the three modes of communication available on a network. Simplex Data travels in only one direction‚ similar to a public address (PA) system. Half-duplex Data travels in two directions‚ but in only one direction at a time‚ similar to a walkie-talkie. Traditional shared Ethernet uses half-duplex transmissions.
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Traditionally‚ symptoms of pain‚ swelling and inflammation were relieved by crudely placing ice cubes on the spot that hurts. Today modern medicine has given us Advil to alleviate common swelling and pain. Advil is the name brand manufacturing of Ibuprofen‚ a non-steroidal anti-inflammatory drug and analgesic. Advil is in the class with other drugs that is listed as “an essential medicine “by the World Health Organization which means that it is needed for basic health‚ is safe and cost effective
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Computer architecture or digital computer organization is the conceptual design and fundamental operational structure of a computer system. It’s a blueprint and functional description of requirements and design implementations for the various parts of a computer‚ focusing largely on the way by which the central processing unit (CPU) performs internally and accesses addresses in memory. It may also be defined as the science and art of selecting and interconnecting hardware components to create computers
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civilizations and writing systems caused the written law to appear. Nowadays each country has its own law. One of the oldest law systems in Europe belongs to England. There are three main sources of English law: European law‚ Parliament and The common law. One of the most important sources of the English law is case law (often called common law). Around 1250‚ a common law was produced to be applied consistently and could be used to predict particular decisions. Actually‚ there are three different
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