Date: 25 Nov‚ 2004 Objective: 1. To standardize sodium thiosulphate for 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
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| | Case Three – Competition in Energy Drinks‚ Sports Drinks and Vitamin-Enhanced Beverages Introduction: The problem which I will be looking at in this report is whether the energy drink‚ sport drink and vitamin-enhanced beverages are able to be sustainable in the beverage industry. Of the four companies to be discussed; will all of them still be around in 10 years? During the mid-2000’s these alternative beverages enjoyed rapid growth; they had premium prices and high profit margins
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Through the conversation in the night between the blind man and the narrator‚ the narrator learned some valued lessons from the blind and from himself. These good lessons are not only for the narrator but also for us. In the beginning of the story‚ the narrator thought that the sighted man can see anything and of course he was better than the blind. However‚ from the blind man’s stories about his life‚ the narrator learned that the blind man just was physical blind but he knew everything like
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Arab Open University Tutor Marked Assignment (TMA) FACULTY OF LANGUAGE STUDIES A210B TMA COVER FORM (2013) Branch: | Program: | Course Title: | Course Code: | Student Name: | Student ID: | Section Number:: | Tutor Name: | Mark Allocated to TMA | STUDENT MARK | 20% | for content : a max of 20 marks | marks deducted for lang. & communication errors: a maximum of 4 marks | Earned Mark | | | | | Notes on plagiarism: A. According to the Arab
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Joycelyn Anne Ellis Book: To Kill a Mockingbird Topic: ‘Cry about what‚ Mr Raymond?’ ‘Cry about the simple hell people give other people.-without even thinking…’ 1479 Words ‘Cry about what‚ Mr. Raymond?’ ‘Cry about the simple hell people give other people.-without even thinking…’ In the novel "To kill a Mockingbird" by Harper Lee‚ one of the main ideas depicted is about "the simple hell people give other people." In "To kill a Mockingbird"‚ this idea is cleverly written through a number
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The Big Sleep: Analytical breakdown The big sleep represents our class’s first exploration into what is known as “Hardboiled” fiction. The advent of Hardboiled literature means an escape from classic detective novels where all we find are ingenious investigators and mind numbing puzzles designed to impress and surprise us. In such novels‚ the protagonist is often observed from a third person point of view; where insight into the (genius) mind of the protagonist isn’t revealed till the end of the
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* Hypothesis The vitamin C content will be fewer in the cooked green pepper than the one hasn’t * Objective To investigate the effect of heating on the vitamin C content of green pepper. * Background (copy from the task sheet)and Biological principle * All fruits and vegetables contain a certain amount of vitamin C; also called ascorbic acid is a water-soluble vitamin that is necessary for normal growth and development. * the cooking process of green pepper will decrease the concentration
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Everybody Loves Raymond is a television sitcom based on a seemingly typical modern American household. The show is based around a loving but somewhat unequal marriage between Ray and Debbie. Thrown into the mix is Ray ’s overprotective mother‚ his domineering father‚ and his insecure brother. Most or these characters play into the American perception of what a man or a woman should be. Each personality has it ’s own way of portraying one ’s gender‚ in turn making the sitcom more appealing to Americans
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Limestone Grinding Mill for sale-Clirik professional grinding mill plant Application of limestone grinding mill ： HGM Series limestone grinding mill is the equipment specializing in producing fine and superfine powder of non-inflammable‚ non-explosive and brittle materials with Mohs’s hardness under six‚ such as calcite‚ chalk‚ limestone‚ dolomite‚ kaolin‚ bentonite‚ talc‚ mica‚ magnesite‚ illite‚ pyrophyllite and vermiculite‚ sepiolite‚ attapulgite‚ rectorite‚ diatomite‚ barite‚ gypsum‚ alunite
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Laboratory Report: Experiment 3 Analysis of commercial vitamin C tablets Name: Cheung Chun Hin‚ Harry Class: 6L (12) Date: 14-10-2009 Objective: To determine the content of vitamin C in commercial tablets (redox titration and back titration) Principle of method: Vitamin C‚ which is ascorbic acid‚ reacts with iodine rapidly in an acidic medium. C6H8O6 (aq) + I2 (aq) C6H6O6 (aq) + 2H+(aq) + 2I- (aq) Since iodine dissolves slightly in water‚ ascorbic acid cannot be titrated
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