INVESTIGATION #2 DETERMINATION OF THE WATER OF CRYSTALLISATION April 4‚ 2012 OBJECTIVE: Chemical compounds that contain discrete water molecules as part of their crystalline structure are called hydrates. Hydrates occur quite commonly among chemical substances‚ especially among ionic substances. More often than not‚ such compounds are either prepared in‚ or are recrystallized from‚ aqueous solutions. Hydrates exist for ionic compounds most commonly‚ but hydrates of polar and non polar covalent molecules
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Determination of blood type Introduction: A blood type is a classification of blood based on the present or absence of inherited antigens substances on the surface of RBCs‚ these antigens are made by proteins‚ carbohydrates‚ and glycolipid‚ Now there are total of 8 blood type known for the international society of blood transfers ( ISBT)‚ Also 600 antigens are known for ISBT‚ Antigens are a type of protein (Y shaped) found in blood and it has a great role in the immune system to recognize any
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(FAs) can ultimately be degraded through different pathways which include alpha‚ beta‚ and omega-oxidation. Alpha-oxidation occurs at carbon 2 of the chain‚ b-oxidation at C3‚ and omega-oxidation at methyl end of the fatty acid. The location of each mechanism also differs as alpha- oxidation occurs in peroxisomes only‚ beta-oxidation can take place in both peroxisomes and mitochondria. Omega-oxidation occurs in the endoplasmic reticulum of the various tissues. The importance of the differentiation
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The problem of determination of phraseology‚ phraseological unit and classification of phraseological units interested home and oversea linguists (Sh.Balli‚ A.V.Counin‚ N.M.Shansciy‚ N.N.Amosova‚ A.I.Smirnitsciy‚ acad. V.V.Vinogradov‚ V.N.Teliya). In the given work we we consider the most current and complete notions of phraseology‚ phraseological unit and we analyse classifications FE‚ offered by home and oversea linguists‚ with the purpose of creation of the own classification built on the sign
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------------------------------------------------- Chapter 1 - The Last Sermon of the Holy Prophet(P.B.U.H) ------------------------------------------------- Question and Answers Q.1 When and where was Prophet Mohammad (P.B.U.H) born? Ans. Hazrat Mohammad (P.B.U.H) the prophet of Islam was born in the year 571 A.D at Makkah. Q.2 To which tribe did Prophet Mohammad belong? What did they believe in? Ans. Prophet Mohammad belonged to the noble family of Quraish. They believed and worshiped idols
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Pennies are easily spent and worth one cent‚ so if I was you I wouldn’t let that precious penny walk out of my life. Pennies are very expensive to produce. We have spent over eighty million dollars over the production of pennies‚ while pennies are only worth one cent. Even though some people want to get rid of the penny‚ it would be better if we keep it because it is apart of or culture. Also‚ we could avoid price increases from rounding up‚ and pennies are good for charities. Many people have
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Experiment #6: Colorimetric Determination of pH Almira‚ Faerie Carleen Lucile L. Gallardo‚ Charlotte O. Group #6‚ Chemistry 18.1‚ MHEG1‚ Ma’am Arlou Angeles September 23‚ 2013 I. Abstract The acidity of the four unknown solutions were determined with the use of colorimetry using McIlvaine’s buffer solutions varying in proportion of its constituents (disodium phosphate and citric acid). These buffer solutions were subjected to the addition of corresponding pH indicators and the variation of
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A penny‚ something that someone would consider unworthy‚ could symbolize a strong relationship between a father and a son that could not freely express their love for each other due to the fear they carried inside them "If Father hadn’t been there‚ I might have told her the whole story." Despite the fact that the Father didn’t express his love for his son on a regular basis‚ he offered Pete a very shiny penny that revealed the hidden love he had for him. Although the act of giving the penny to his
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Practical 4 Determination Of Fruit Firmness Introduction The development of sensors to measure fruit internal quality variable is one of the challenges of post – harvest technology. Several variables can currently be measured‚ including sugar content‚ firmness and internal disorders. Fruit quality is related to both internal variables (firmness‚ sugar content‚ acid content and internal effect) and external variables (shape‚ size‚ external defects and damage). Increasing consumer demand for high
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Food Chemistry 138 (2013) 227–233 Contents lists available at SciVerse ScienceDirect Food Chemistry journal homepage: www.elsevier.com/locate/foodchem Analytical Methods Determination of volatile N-nitrosamines in meat products by microwave-assisted extraction coupled with dispersive micro solid-phase extraction and gas chromatography – Chemical ionisation mass spectrometry Man-Chun Huang‚ Hsin-Chang Chen‚ Ssu-Chieh Fu‚ Wang-Hsien Ding ⇑ Department of Chemistry‚ National Central
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