Investigating the vitamin C content of fruits and fruit juice Aim: In this investigation‚ I aim to measure and compare whether there is a higher content of vitamin C in a fruit or a juice by measuring the volume of the sample required to decolourise a solution of dichlorophenolindophenol (DCPIP). Introduction: For this experiment‚ I aim to investigate and compare the content of vitamin C in the fruit against the fruit juice. The theory of this method is a titration with dichlorophenolindophenol
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Many people have never heard of C-ASIST and are always amazed to hear what they do for the community. I now have an ‘elevator speech’ prepared for when people ask what it is. I always say “C-ASIST‚ is a non-profit organization that offers a free health clinic once a month to help the underinsured and the uninsured.” People don’t know how it works and how the founders are able to run a free clinic‚ but I explain to them that it is all volunteer based so they do not have to pay anyone that works at
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From 100 CE to 600 CE‚ the Roman Empire experienced many changes‚ both politically through power of leaders‚ and culturally religion. Rome also had some continuity‚ like the fact that it remained an empire through all of the 500 years mentioned. Although it stayed somewhat the same‚ its changes far outnumbered its continuities. Cultural changes in Rome were mostly due to the rise of Christianity during this period. Toward the beginning of the era (circa 100 CE)‚ many pagan religions were very prevalent
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Why is Vitamin C good for you? Health The most well-known health benefit of blackcurrants is that they contain large amounts of Vitamin C. Vitamins are substances we need to enable our bodies to live‚ grow and reproduce normally. Vitamin C is an essential nutrient - it cannot be made by the human body and we must therefore eat foods which contain it (Bibliography Ref: 13). Because the body breaks down Vitamin C very quickly and does not store very much‚ we need to eat Vitamin C containing foods
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EBZ 437 Electronic Business Tutorial 3 Activities: 1. Read the case study below (from Turban et al‚ 2008) before the tutorial. 2. Look at: a. Campus Food web site (campusfood.com) and Campusfood.com. campusfood.com (take care with time zone – some outlets will be closed after 8pm US time) b. eMediaWire. “Titan Poker Teams Up With Campusfood for Tournaments Aimed at College Students.” February 16‚ 2006. emediawire.com/releases/2006/2/emw346598.htm 3. Be prepared to discuss the questions at the end
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controlled using Internet technologies within the business. All of these communication‚ control‚ and transaction-related activities have become an important part of electronic commerce. 4. The main Functions of a value added network are provided the connections between most trading partners and responsible for ensuring the security of the data transmitted. VANs usually charged a fixed monthly fee plus a per-transaction charge‚ adding to the already significant expense of implementing EDI.
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moderator or innovator of social change CHANGE: Social and economic conditions: - Increased mobility of the population: People ready to move from rural to urban or smaller urban to larger urban areas to take advantage of more jobs and better education facilities. - The growth of knowledge: technological advances results in an increase of knowledge available. This growth in knowledge has led to a recognition that schools also need to teach students how to handle change and deal with as yet unknown
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and analysis of two compounds from unknown solution C ABSTRACT Liquid C and solid C were both extracted from unknown solution by first using chemically active liquid-liquid extract‚ followed by vacuum filtration. Liquid C and solid C were then purified with the use of simple distillation and recrystallization respectively. Through the process of recrystallization‚ the percentage purity of solid C was found to be 6.01%. The melting point range of purified solid C was 117.0 – 119.0C while the
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Vitamin c in fruit juice using dcpip titration Preparing the standard ascorbic acid solution 1. Weigh out accurately about 0.2 g ascorbic acid and make up to 1 L with distilled water. 2. Calculate the concentration of the ascorbic acid solution: C = n/V = m/M/V. Sample calculation: mass of ascorbic acid = 0.205 g C (ascorbic acid) = 0.205/176.12/1.00 = 0.00116 M Preparing the DCPIP solution Weigh out accurately approximately 0.24 g DCPIP (Mr = 268.1g/mol) and make up to 1 L with
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References: Waves & oscillation‚ A. P. French Physics of waves‚ W. C. Elmore & M. A. Heald Introduction to Electrodynamics‚ D. J. Griffith Electrodynamics‚ Gupta‚ Kumar & Singh Optics‚ A. K. Ghatak Engineering Physics‚ Satya Prakash
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