Chemicals Vitamin C tablet‚ (1) standard 0.0110 M potassium iodate (KIO3) solution‚ (100 cm3) standard 0.060 M sodium thiosulphate solution‚ (Na2S2O3‚ 160 cm3) 1 M potassium iodide solution‚ (KI‚ 20 cm3) 0.5 M H2SO4‚ (150 cm3) freshly prepared starch solution. Apparatus Titration apparatus Principle In this experiment you are required to determine the vitamin C content of a commercial tablet and compare this with the manufacturers specification. Vitamin C is ascorbic acid‚ which is rapidly and quantitatively
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CHM 2210 – Fall 2012 – Test 4 Name (print):_________________________ 1. What is the IUPAC name for the following compound? a) b) c) d) 3-methyl-1-penten-4-yne 3-methyl-1-buten-4-yne 4-methyl-4-penten-1-yne 4-methyl-4-buten-1-yne 2. What is the major organic product obtained from the following reaction? 2 equiv Br2 a) b) c) d) 2‚3-dibromobutane 2‚2‚3‚3-tetrabromobutane 2‚3-dibromobutene 2‚2-dibromobutane 3. What is the best choice of reagent(s) to perform the following transformation
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Estimating the Vitamin C Concentration in Fruit Juices: A Redox Titration Prelab Assignment – Please turn your answers in on GaView prior to lab 1. How will you prepare a .02% (m/v) NBS solution? Calculations should be in your notebook before arriving to lab. 2. Provide the structure of vitamin C in its reduced form (ascorbic acid)‚ its ionized form (ascorbate ion- this is at equilibrium with reduced form when dissolved)‚ and its oxidized form (dehydroascorbate). 3. Why do you
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Artemis studied Medicine Wheel of Americas in Four Winds Society. She had received the Munay-Ki rites‚ and‚ works with Q’ero lineage of Inca shamans. Artemis has been giving Illuminations since 2009. Artemis has been a seer since her childhood and‚ lives in the Ceremony in her daily life. An Illumination is a shamanic healing modality of an imprint removal from the Energy Body. Energy body surrounds all living beings; it holds the past and current life information; manifests and continuously informs
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Fast food might be better in saving time and being more convenient‚ while home-made food might be better in quality. I do believe that home-made food is much better than fast food‚ because people’s health is... The questions by Dixit saab: 1.Chule Ki Roti is better or bread. 2.Fast Food is better or customs(regular ) food.‚ are most relevant in todays’s context. I prefer regular food but not fast food. Nutritious‚ hygenenic food is most important. Even in fast food if it is hygenic‚ nutritious
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population. The annual food waste in France is enough to feed the entire population of the Democratic Republic of Congo. Just five per cent of United States’ food waste could feed 4 million people for one day. In 2011‚ United Nations Secretary-General Ban Ki-Moon noted that there is enough food in the world‚ yet millions are still starving – and unless we take action‚ it will devastate our planet. "Everybody is waiting for somebody else to take action." Who could possibly disagree: food waste is
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a short journey to a modern village called Deorala which is situated in Rajasthan‚ a north-western Indian state. It was 4th September‚ 1987 and the entire village was drowned with sounds of bands‚ drums‚ hymns and religious chantings like ‘Sati ki pati ki jai’. An eighteen year old Rajput woman‚ Roop Kanwar‚ dressed like a bride‚ stumbled behind her husband’s body as if intoxicated‚ surrounded by armed youths. Soon after‚ she was buried under a heavy load of firewood in the funeral pyre of her husband
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Christen Salley Jonathan Purkiss English Composition II 24 October 2011 Annotated Bibliography Ki‚ Magdalen Wing-chi. "Ego-Evil and ’The Tell-Tale Heart ’." Renascence: Essays on Values in Literature 61.1 (2008): 25+. Literature Resource Center. Web. 24 Oct. 2011. This article discusses the comparison of the eye in Edgar Allen Poe’s “A Tell-Tale Heart‚” and how it relates to ego. Another comparison is also made to his similar short story “The Black Cat.” The writer states‚ “In "The Black
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aur Vicharatmak) Patra - 2 (Aupcharik‚ Anaupcharik)‚ UT‐2 Project SECOND TERM UT-3 Shram ki pratistha Vyakaran sambandhi Prashana Gadya Sahitya:Sachhi Veerta‚Bheer me khoya admi Padya:Nity ke dohay‚Jeevan ka jharna Ram sugreev maitry Vyakaran sambandhi Prashana‚Apathit Gadyansh - 2‚ Nibandh - 2 (Varnatmak aur Vicharatmak) Patra - 2 (Aupcharik‚ Anaupcharik)‚ PRE BOARD EXAM Gadya Sahitya:‚Manabata‚Shram ki pratistha‚Sammilit‚Apathit Gadyansh - 2‚ Vyakaran sambandhi
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“food and beverages”. HUL also has research centers in India. They are located at Mumbai and Bangalore. They have brought many innovations in their products through research in these centers. Kushiyon Ki Doli The company launched a multi-brand rural marketing initiative called Kushiyon Ki Doli‚ in 2010
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