11/10/2014 experiment 1 Analysis of Commercial Vitamin C Tablets Objective To employ titration technique to determine the content of vitamin C in commercial tablets using volumetric analysis and compare it with the manufacturers’ specifications. Introduction Deficiency of essential antioxidant Vitamin C in human will lead to scurvy. In this experiment‚ the vitamin C content of commercial tablets is determined and then compared with the manufacturers’ specifications. Vitamin C‚ ascorbic acid C6H8O6
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needs a daily intake of Vitamin C to stay healthy; therefore‚ one should be aware of what fruits he/she should ingest daily or more days to obtain stronger stamina and the abundance of antioxidants in the body to reverse oxidation. Vitamin C or L-ascorbic acid is essential for normal growth of humans and it helps in the repair and reconstruction of body tissues lost over time. It is an antioxidant that blocks the damage caused by free radicals. People who take Vitamin C daily tend to build up a great
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poor growth placed the twins in danger‚ but she refused the surgery until too late‚ reportedly on cosmetic grounds—she is alleged not to have wanted the resulting vertical scar. * In 1987‚ Angela Carter‚ who was dying of cancer‚ also refused a C-section. She sought to remain pregnant until the 28th week of pregnancy‚ the point at which doctors had once told her her baby would have the best chance to survive. At 26 weeks‚ however‚ physicians felt that the child had a 50% chance of surviving
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CHEMISTRY 221 LABORATORY�QUANTITATIVE ANALYSIS EXPERIMENT: DETERMINATION OF ASCORBIC ACID IN VITAMIN C TABLETS THEORY: Ascorbic acid‚ C6H8O6‚ MM = 176.13‚ can be oxidized to form dehydroascorbic acid by bromine via the following reaction: The bromine or iodine used in the titration is generated by adding an excess amount of KBr or KI to an acidified solution of the sample according to the following reaction: BrO3- + 5 Br- + 6 H+ 3 Br2 + 3 H2O IO3- + 5 I- + 6 H+
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C) Cognitive (J.Piaget‚ L. Vygotsky ) They posited children learn from hand on experiences. However unlike Piaget he claimed that timely and sensitive invention by adults when children are learning a new task (zone of proximal development) could help children to learn new tasks. Vygotsky also stressed the importance of social interaction he felt other children can guide each other’s development as well as adults. Vygotsky also thought that children needed to be active in their own learning and
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The C-130 The C-130 Hercules was born from a request by the United States Air Force for a replacement transport aircraft for the C-119 Flying Boxcar‚ C-47 Skytrain‚ and C-46 Commando‚ which were inadequate for modern warfare after the Korean War. The USAF wanted a plane that could have a capacity of 92 passengers‚ 72 combat troops or 64 paratroopers fly a range of around 1‚100 nautical miles‚ have the ability to fly with one engine shut down‚ and be able to take-off from unprepared runways (MotoArt
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July 21‚ 2011 Journal # 2: Cole‚ “10 Major Threats to the Environment”‚ WAE277-279 Part one: Summary According to the article‚ “10 Major Threats to the Environment’’ by Jeremy Iggers (the author) discusses about global warming and 10 major threats to the environment and what we can do to minimize it. There is a lot of evidence pointing to the earth getting warmer because of increased carbon dioxide in the atmosphere which is released when fossil fuels are being burnt. As a result‚ polar caps
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Porter’s Five Forces Analysis 1. Threat of Substitute Products (LOW) The possibility threat of substitutes is moderately low; since there are few substitutes from other industries (if any); and most of them are seemed to be obsolete or have on foot out of the door‚ e.g. digit camera in the place of film camera and fax machines in place of overnight mail delivery. Consider that Sony has built a good reputation and strong customer loyalty‚ it effectively position the company’s products against product
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“The Love Song of J. Alfred Prufrock” By: T. S. Eliot The poem by T.S. Eliot “The Love Song of J. Alfred Prufrock” is a dramatic monologue written in 1915. Close to the end of the poem Mr. Prufrock stated “It is impossible to say just what I mean” (104). This statement will be analyzed to discover the hidden connotation of this phrase and convey the speaker’s ultimate goal. The questions that will be answered are: What does Prufrock mean when stating “It is impossible to say just what I mean” (104)
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Risk and Threat Assessment Risk and Threat Assessment There is strengths and weaknesses; threats and vulnerabilities of every organization’s security system. These issues tend to be those of the same at national and global levels; crime and criminology tend to have an impact on it. Denny’s is a worldwide corporation that has franchises that have rented their names to continue to run the establishments as well as acquiring three different corporate level restaurants located in South
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