| Formal report | Professional Writing | | Maria | 10/20/2012 | | TABLE OF CONTENTS Introduction 1 Purpose‚ Scope and limitations 1 Application for all job specialties 1 Interpretation of results 2 Historical Prespective 2 Sources and methods 2 Chron-small business 3 American institute of cpa’s 3 The New York times 3 Accountant key 4 Washington consultants 4 Accountants next door 4 Wanted Analytics 5 Report organization 5 Formal Report Accounting
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DRIED MALUNGGAY (Moringa oleifera) LEAVES IN ETHANOL PRODUCTION A Research Proposal Presented to Carmona National High School Special Science Curriculum In Partial Fulfillment of the Requirements for Research I Proponents: Catangay‚ Jhantal A. Gicana‚ Emchie Elaine R. Marasigan‚ Jan Ian B. Natividad‚ Abigail Jacinthe B. Viaje‚ Kyrinne Kate M. Zara‚ Hazel Jane Muriel C. March 2012 CHAPTER 1 THE PROBLEM AND ITS BACKGROUND We all know that ethanol or ethyl alcohol has a very
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China Tea Report From Tea Garden To Cup China’s Tea Sustainability Report Wu Chen 2009 Social Resources Institute (SRI) 1/83 China Tea Report China’s Tea Sustainability Report 2009 Authors: Wu Chen Chinese Editor: Li Zhiyan‚ Tu Shiwen English Editor: Lu Xia Cover Design: Tu Shiwen Funding: SOMO Report Published by: Social Resources Institute Copyright statement: No part of this publication may be reprod
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Summary Caffeine is a stimulant for the central nervous system which will relax the muscle and increase the gastric acid and heart rate (Kelly‚ 2017). The analyzing of caffeine and caffeine metabolites in saliva is to quantitatively measure the ratio of concentrations of caffeine and metabolites. There are three different metabolites of caffeine and the majority of caffeine metabolite is paraxanthine. The ratio of concentration represents the activity of the first metabolism enzyme of caffeine‚ CYP1A2
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Isolation of Caffeine from Tea (12A) Introduction When a person drinks tea or coffee‚ it is not pure caffeine. It also has other natural substances. The purpose of this lab was to isolate caffeine from tea leaves. The methylene chloride removed nearly pure caffeine from the basic tea solution. Caffeine is a white‚ crystalline‚ bitter alkaloid‚ C8H10N4O2 ‚ usually derived from coffee or tea. Caffeine is used in medicine chiefly as a nervous system stimulant. Caffeine is used by humans to ward off
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substance dissolving in an aqueous solution. It represents the level at which a solute dissolves in solution. A more a substance dissolves‚ the higher the Ksp value it has. In this experiment‚ a system of a sparingly soluble salt in water is studied. From the solubility information at various temperatures‚ the changes in standard enthalpy‚ standard entropy‚ and standard free energy were established. II. THEORETICAL BACKGROUND The reaction that is studied in this experiment is the dissolution
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been changed. The lab demonstrates the use of chemical molecular behavior to isolate a particular set of molecules. Caffeine had already existed in the leaf itself but needed to be separated from the other chemicals. Caffeine’s chemical structure is relatively similar to the nucleic acid purine in that they use nitrogen and is bicyclic but lacks an alkene‚ amine and an amide. Caffeine has a solubility of 67.0 g/100 mL in boiling water but tannins also boil in hot water to form catechin. Catechin cannot
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EXTRACTION Organic Chemistry Laboratory This experiment was conducted in order to compare single and multiple extraction of caffeine from dried tea leaves and to calculate the percentage yield of caffeine for both extraction procedures. The group was assigned to do the multiple extraction. Before the extraction proper‚ the water bath containing the anhydrous sodium carbonate and distilled water was heated. As the sodium carbonate dissolves‚ tea leaves were added in the mixture and allowed to
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Dried Papaya Leaves as Organic Mulch for Tomato Plants Abstract Mulching in agricultural provides a safe yet equally profitable method of enriching and fertilizing the soil planted with crops. Most often-used mulches are of organic composition‚ such as dry leaves and barks. Unlike synthetic fertilizers and herbicides‚ these organic mulches pose no or little damage to the soil and crops. In this study‚ the effectiveness of dried papaya leaves as organic mulch for tomato was tested. Papaya mulches
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THE FEASIBILITY OF DRIED TOBACCO LEAVES AS A PESTICIDE AGAINST COCKROACHESChapter I Abstract Tobacco plants nowadays are very much needed and demanded by most of our dear consumers especially farmer and now that we are facing an intense economic crisis‚ and with that mere situation‚ the primary necessities which are very much needed by man in order for him to survive his daily living are now of higher prices compared to the last couple of years and that includes the demanding need and use of the
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