titration use. 2. To find out the concentration of Vitamin C in the tablet. Theory: This experiment involves titration of redox reaction. Redox reaction means reduction and oxidation. In which oxidizing agent and reducing agent are mixed and oxidize/reduce each other. One losses electron(s) and increase in oxidation number when is oxidized‚ and vice versa. In order to find out concentration of the ascorbic acid in the tablet‚ a redox reaction of it with iodine was done. While iodine is an oxidizing
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restricted to iron or products made from it .Iron is easily prone to rusting making its surface rough. Chemically‚ rust is a hydrated ferric oxide Titanic‘s bow exhibiting microbial corrosion damage in the form of ‘rusticles’ Rusting an Electrochemical Mechanism ; Rusting may be explained by an electrochemical mechanism. In the presence of moist air containing dissolved oxygen or carbon dioxide‚ the commercial iron behave as if composed of small electrical cells. At anode of cell‚ iron passes into
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Chemistry 104: Analysis of Commercial Antacid Tablets Hydrochloric acid (HCl) is one of the substances found in gastric juices secreted by the lining of the stomach. HCl is needed by the enzyme pepsin to catalyze the digestion of proteins in the food we eat. Heartburn is a symptom that results when the stomach produces too much acid (hyperacidity). Antacids are bases used to neutralize the acid that causes heartburn. Despite the many commercial brand‚ almost all antacids act on excess stomach
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Q.1: what did Churchill mean in May 1945 by the term “Iron Curtain”? A.1: When Churchill stated “An Iron Curtain is being drawn upon their front.” He means that during 1945 when the war was over‚ he was talking about an imaginary line drawn between communism in the East and the democratic governments in the West. This was to prevent more fighting over the systems; Churchill knew that the Soviet Union were dangerous. Churchill wanted the allies to get to Berlin and take it before the Russians would
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MME 214 Metallography sessional Exp. 2 Microstructure of Wrought Iron Wrought Iron • Wrought iron was once the most important metallic engineering material but it has now been almost totally replaced by the different grades of steel. • A little wrought iron is still made and will probably continue to be made since it possesses certain extremely valuable properties. • Wrought iron is a soft but ductile metal made from pig iron by a low temperature oxidation process called ‘Puddling’. • It is
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Iron Man: The Real Hero In today’s society‚ the concern of people and laws are not about doing good but rather having the appearance of good. People no longer care about what they need to stand for‚ only that they look like they aren’t sitting down. In fact‚ men today are treated as outcasts when sticking up for a good thing when it doesn’t have a pleasant appearance. Men such as Thomas Jefferson‚ Leonidas‚ Joshua and Jesus‚ men that represent something greater than what meets the eye‚ are scarce
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Elmira Silchuk 12/22/12 Research Paper Mrs. McCune Iron Dome Since the beginning of civilization people have always needed to defend themselves from external forces trying to harm their well being. Today‚ that task has become excruciatingly difficult and demands an enormous amount of man power. The problem with a country needing a lot of man power is that people are a finite source‚ so what countries have done is developed ways of defending themselves with
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is without a doubt‚ how the PC tablet market is divided. From the time we invested in researching the tablet market a very clear hierarchy has appeared with Apple iPad being the market leader at 56%‚ Amazon Fire at 14.3% and Samsung Galaxy Tab at 8% from 2011 Q4. To be able to take Amazon in to account we had to discard the Amazon Kindle Fire and replace it with the Amazon Fire on the grounds that the Kindle Fire is an e-reader and is not considered as a PC tablet. Previously the Amazon Fire was
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Iron plays a key role in maintaining the body. It is used in the production of hemoglobin‚ a protein found in red blood cells‚ which transports oxygen to muscles and tissues throughout the body. On the other hand‚ too much iron is detrimental and can cause various significant diseases. C282Y and H63D are mutations found on the HFE gene and are the major cause of inherited iron overload (hereditary hemochromatosis). As a result‚ iron regulation is disrupted and too much iron is absorbed from a strong
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Iron Making Technology A thousand years before the age of empires in Rome and Greece‚ the Iron Age was ushered into the world with the clank and clatter of the blacksmith’s anvil. The transition from the Bronze Age occurred at different times in different spots on the globe‚ but when and where it did‚ the distinctive dark metal brought with it significant changes to daily life in ancient society‚ from the way people grew crops to the way they fought wars. Iron has remained an essential element
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