WATER SAMPLE (WINKLER METHOD) INTRODUCTION In an alkaline solution‚ dissolved oxygen will oxidize manganese(II) to the trivalent state. 8OH-(aq) + 4Mn2+(aq) + 2H2O(l) －－＞ 4Mn(OH)3(s) The analysis is completed by titrating the iodine produced from potassium iodide by manganese(III) hydroxide. 2Mn(OH)3(s) + 2I-(aq) + 6 H+(aq) －－＞ 2Mn2+(aq) + I2(aq) + 6H2O(l) Sodium thiosulphate is used as the titrant. Success of the method is critically dependent upon the manner in which the sample is manipulated
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NEW OIL ESSAY Water is a resource lots of people take for granted. When water starts to become more scarce throughout time‚ who should take control over it? Public companies? Or Private? I believe the answer to this dilemma is that public companies should mostly take control of the water system but still work with private companies to benefit the water supply the most. They should mostly control the water supply because I think that private companies won’t be able to handle the water resources properly
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cooking oil from moringa seeds. Conclusions After the data have been collected‚ analyzed and interpreted‚ the researchers therefore conclude that: 1. There is a significant difference between the moringa oil and the commercial oil in terms of quality. This proved that moringa seed is effective as an alternative in producing quality cooking oil. 2. Set-up A which is moringa oil yielded a higher mean based on the evaluation done by randomly selected people than Set-up B which is commercial oil. This
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Research Methods There are two categories of research methods: qualitative and quantitative. Quantitative data collection usually involves numbers‚ graphs and charts‚ whereas‚ qualitative data collection methods deals with feelings and other non-quantifiable elements. The most popular qualitative methods of data collection and analysis in business studies are interviews‚ focus groups‚ observation‚ case studies‚ games and role playing etc. Popular quantitative methods of data collection and analysis
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Definition of the Problem (1) A few years ago‚ I watched a terrifying story on ABC’s 20/20. It was a story about a teenage girl who had gotten pregnant. She successfully managed to keep her pregnancy from everyone‚ even her immediate family. She secretly gave birth to a baby girl -- by herself -- at the basement of her house. Out of fear‚ she covered the baby with a blanket and the baby died. There was an investigation and trial on the teenage girl‚ whether she should be convicted of murder
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Caysasay Academy (OLCA) in TaalBatangas. Nature of the project The project concerns the design of a suitable network infrastructure for the Our Lady of Caysasay Academy‚ TaalBatangas. This project shall be undertaken by a team of senior IT students from the Lyceum of the Philippines University‚ Manila. The team is composed of four members – Kris Joy A. America‚ Justin Albert B. Capacillo‚ Erickson P. Miclat and Mark B. Parra. The scope of the project involves linking the seven buildings of OLCA via
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process. Although gays and lesbians are generally tolerated within Philippine society‚ there are still widespread cases of discrimination. Swardspeak is a vernacular language derived from Englog (English-Tagalog) and is used by a number of gay Filipinos. It uses elements from Tagalog‚ English‚ and Spanish‚ and some are from Nippongo‚ as well as celebrities’ names and signature brands‚ giving them new meanings in the context of this unique language. A unique trait of swardspeak is that it immediately
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where evidence was found to be strong‚ partial or missing. Reference to select publications are made as part of an initial desk based data collation exercise‚ however‚ it is recognised that this is not intended to be comprehensive. Expert opinion from stakeholders‚ organisations and individuals has been sought to supplement the desk review. In general‚ the evidence base was particularly strong in the following areas: Process optimisation and characterisation – there is a large body of scientific
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Mount Carmel College of Nursing Columbus‚ Ohio Nursing 521: Advanced Pathophysiology CASE STUDY#1: CONGESTIVE HEART FAILURE Stephanie Barber September 21‚ 2011 INITIAL HISTORY: 66 year-old white male increasing shortness of breath over the last month noticed feet and ankles swelling by end of the day has occasional episodes of chest tightness has been waking up in the middle of the night with acute
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Comparative Nutritional Quality of Palmstearin Liquid Oil Blends and Hydrogenated Fat (vanaspati) S. Ray and D.K. Bhattacharyya* Department of Chemical Technology‚ University Colleges of Science and Technology‚ Calcutta University‚ Calcutta - 700 009‚ India ABSTRACT: An attempt was made to use high-melting lowdigestible fat palmstearin as a vanaspati substitute by blending it with polyunsaturated fatty acid-rich liquid oils. This blending produced fat products of zero-trans fatty acid content
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