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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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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Research Question: How the amount of vitamin C in fruit juices affects its freshness and till what extent is the information provided on the pack by manufacturers is reliable? Background Information: Hypothesis: -fresh juices have more vitamin C than long-life -juice that is ‘not from concentrate’ is best in terms of vitamin content -if heat destroys vitamin C then heat-treated long-life juices will have lower concentrations -if heat destroys vitamin C then boiled fruit juice will have lower
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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‚ reacts with
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MUS 354: The Beatles After the Beatles (Fall 2012) You are signed in as: Da Yin Top of Form Sign Out Bottom of Form Home Classroom Exams/Assignments Grades Help Exam #1 Time Limit 50 minutes Starting Time 9:40 pm Arizona time Top of Form 1 Beatle ______________ sings lead on this syncopated melody. Paul Ringo John Yoko George 2 One writer describes this 1971 John song as "leaping right out of the radio" with its dramatic‚ unaccompanied vocal choir opening and powerful funky rock bass and
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Hepatitis C is a liver disease that is caused by hepatitis C virus. The virus enters into the liver cell‚ use the cell’s genetic to make copies of itself which then affects more cells. Causes Hepatitis C is usually transmitted through blood to blood contacts. It can be transmitted by sharing needles when injecting‚ toothbrushes and razors‚ tattoo or body piercing with equipment that has not been properly sterilized. It can also be sexually transmitted. It is not passed on by everyday contact
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Section C (Edexcel IGCSE in English Language A) May 2010 Imagine that your school or college has been awarded a large sum of money to spend on improving facilities‚ and on increasing opportunities‚ for students. Write the text of a speech you might give to the Student Council‚ outlining your ideas on how the money should be spent. November 2009 “Schools are stuck in the past. They don’t adequately prepare young people for real life in the modern world.” Write about what you think schools
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Components of C++ An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations. C++ is rich in built‐in operators and provides following type of operators: Arithmetic Operators Relational Operators Logical Operators Bitwise Operators Assignment Operators Misc Operators This chapter will examine the arithmetic‚ relational‚ and logical‚ bitwise‚ assignment and other operators one by one. Arithmetic Operators: There ar
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Q1: Jon Fries‚ Fletcher Anderson‚ Craig Schuster‚ and Catherine Sprauer are the main figures in this case and they had important responsibilities in F&C International‚ Inc. Jon Fries was the President‚ CEO‚ and managing director of F&C international‚ Inc. He was in charge of the total management of the company. The key responsibilities of Jon Fries were to align the company‚ internally and externally‚ with his strategic vision. His duties were to facilitate business outside of the company while
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Question 1 Which one of the following operators computes the remainder of an integer division? Answer / % \ ! .2 points Question 2 Which one of the following is defined as a sequence of characters? Answer String Constant Integer Variable .2 points Question 3 Which one of the following variables is assigned with valid literals? Answer int salary = 0; salary = 5000.50; unsigned short salary1 = 0; salary1 = 1E6; double salary2
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