E20-1 Experiment 20 Consumer Chemistry: Vitamin C in Fruit Juices The Task The goal of this experiment is to determine the concentration of vitamin C in a range of different fruit juices (fresh and preserved) using titration and to rank these sources of vitamin C. Skills At the end of the laboratory session you should be able to: * use a pipette correctly‚ * use a pipette filler safely‚ * manipulate a burette and carry out a quantitative titration properly‚ * weigh a sample
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Many people enjoy the company of a pet‚ whether it be a cat or a dog; these animals provide a person with companionship and affection. Pet owners become emotionally invested in their pets and treat them as if they are part of the family. Some pet owners will pamper and shower these animals with affection as well as let them have the run of the house. However‚ a person needs to remember animals do not function as humans or have the capacity to reason. There are people who believe wild or exotic animals
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Activity 6.1.2: How Did She Die? Introduction Throughout the course you have investigated the life and death of Anna Garcia. You have learned basic biology and medicine by following Anna through her life. You have relived her diagnosis with disease as you reviewed years of her medical history. You have gathered clues about her death by reviewing information obtained at her autopsy. But the mystery remains. How did Anna Garcia die? In this activity you will receive one final autopsy report and
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CLEAN WATER ACT 1. Overview: a. Congress’s Overall Objective with the Federal Water Pollution Control Act (later CWA): (§101): “restore and maintain the chemical‚ physical‚ and biological integrity of the Nation’s waters.” National Goals: i. To completely eliminate the discharge of pollutants into the navigable waters by 1985. 1. Not going to happen without stronger standards ii. Interim goal (101(a)(2): to make the water quality such that it’s fishable/swimmable
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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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Easy Clean‚ Co.: Evaluation of Internal Control Environment[1] LEARNING OBJECTIVES Evaluate a new audit client ’s control environment. Provide an initial evaluation of certain components of the client ’s control environment Appreciate the judgment involved in evaluating the overall internal control environment based on interview data Provide support for your internal control assessments Ted is a manager in the Business Advisory and Assurance Services division of a
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Oedipus Rex pgs. 159 – 198 a. Characters The major characters are Oedipus‚ Creon‚ and Tiresias. Oedipus‚ the king of Thebes‚ is completely stubborn. He doesn’t want to listen to Creon or Tiresias about the truth of who he is. Creon‚ Oedipus’s brother-in-law‚ is businesslike. When he brings the news from the oracle‚ he suggests that they should go into a more private place to talk. He also makes a lot of deals to reason with Oedipus’s rage towards him. Tiresias‚ the blind prophet‚ is secretive
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Accessibility to clean water(Problems associated) Vietnam is considered as one of the world’s most populated country in the worth since ranked thirteenth in recent survey. Vietnam has a river count of about 2360 rivers in the country with its length of more than 10km. These rivers serve as important economic values and use. There have been very causes of water pollution which deprives most people in Vietnam access to clean water or even water at all. The ecosystem around Vietnam’s rivers is eventually
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Shayra Lafuente Mr. Franco Junior English 5 December 2012 Exotic Animals As Pets According to HSUS‚ the human society of the United States‚ wild animal trade is a multi-billion business‚ following to drugs and weaponries on the black market. It is a fifteen billion dollar industry in America alone. Keeping wild animals as pets not only risks your life but the people around you too. Not to mention‚ the animal itself and the environment. There has been numerous cases where the animal
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Bad Choices Many people find the idea of owning an exotic pet as exciting. But what people dint take into consideration is to understand the animal itself. Owners need to know how to care for this animal and to know what it needs on a daily basis. Although it may seem like a great idea and an exciting thing to do but also know the consequences of what can happen if they are not satisfied. They can be unpredictable; their behavior may change with season. Owning exotic animals can lead to chaos
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