Chemistry Investigatory Project To determine minimum amount of Bleaching Powder Required to disinfect different samples of Water. INDEX I. Introduction o Purification of Water o History of Water Purification o Bleaching Powder II. Experiment o Aim o Requirements o Theory o Procedure o Observations o Result o Precautions Introduction 98% of the Earth’s water is present in the oceans with an average salinity of 3.5%. The remainder of the
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Laboratory 4: Separation of a Mixture of Solids Numbers 1 to 4 below are not written out in your Lab Manual. They are provided here to help you do your calculations more clearly. 1. Separating out the Iron: Mass of Weighing Dish: ___0.6_______g (Read all masses to the decimal places allowed by the balance/scale‚ typically one or two decimals‚ i.e. a tenth or a hundredth of a gram.) Mass of Weighing Dish plus Solids Mixture: ____7.5______ g Mass of Solids Mixture: ___6.9_______
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NANOTECHNOLOGY IN WATER PURIFICATION Introduction Nanotechnology is the manipulation of matter on a near-atomic scale to produce new structures‚ materials‚ and devices. This technology has the ability to transform many industries and to be applied in many ways to areas ranging from medicine to manufacturing. Research in nanoscale technologies is growing rapidly worldwide In the case of nanoscale materials‚ the uncertainties are great because the characteristics of nanoscle materials may be different
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The Constitution nowhere contains an express injunction to preserve the boundaries of the three broad powers it grants‚ nor does it expressly enjoin maintenance of a system of checks and balances. Yet‚ it does grant to three separate branches the powers to legislate‚ to execute‚ and to adjudicate‚ and it provides throughout the document the means by which each of the branches could resist the blandishments and incursions of the others. The Framers drew up our basic charter against a background rich
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amount of protein‚ and percent yield and an increasing trend for specific activity and fold purification. These trends come about naturally when performing multiple purification steps. To determine the success of each purification step‚ the more important factors to look at are the total activity units‚ total protein amount‚ and percent yield. Looking at our purification table (table 7) our purifications were not very successful. While our total protein followed the normal decreasing trend‚ as
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SEPERATION OF A MIXTURE Purpose: The purpose of this lab is to find out how components of a mixture can be separated and analyzed. Procedure: The procedure for this lab report is as follows: 1. Mixture is taken‚ and has to be measured in order to meet the requirements of 2-3g. 2. The mass of the tray is measured and then the scale is zeroed out and the mixture is added to find out the mass of the original mixture. 3. Next‚ find the mass of the 250mL beaker‚ zero out the scale
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The term Ponzi scheme was named after Charles Ponzi‚ a con man from the 1920s. Ponzi began his “business” by buying and selling international reply coupons. He was able to persuade some friends to invest in this endeavor‚ by telling them that he could double their investments. Essentially‚ Ponzi made no profit off of this scheme because the circulation of money from new investors is what sustained his “business”. Unfortunately for Ponzi‚ many investors and the media began to question the legitimacy
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Nitration and Purification of Bromobenzene Abstract: An electrophilic aromatic substitution reaction was performed on bromobenzene with nitric acid producing both 2-bromonitrobenzene and 4-bromonitrobenzene. Products of the reaction were purified through multiple recrystallizations and column chromatography creating multiple crops of a yellow powder. The percent yield of products was determined to be 51%. The melting point of Crop 1 was found to be 110-115 °C‚ and Crop 2 was found to be 37-90
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Individual Project ENGL107— English Composition II November 20‚ 2010 Using Resources Introduction Ponzi Schemes are also called pyramid schemes. A pyramid scheme is a non-maintainable business replica which involves the exchanging of money solely for purposes of joining other investors or individuals into the business venture‚ without any services being distributed. In a Ponzi scheme‚ potential investors are wowed with the promise of hefty returns‚ by the fraudster savvy‚ skill or other secrets
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0 SCHEME OF AMALGAMATION APPROVED BY BOARD OF DIRECTORS OF M/S VAYUDOOT LIMITED AND M/S NATIONAL AVIATION COMPANY OF INDIA LIMITED (NOW AIR INDIA LIMITED) FILED WITH APPLICATION OF MERGER ON 12.08.2009. 1 SCHEME OF AMALGAMATION FOR AMALGAMATION OF OF VAYUDOOT LIMITED‚ TRANSFEROR COMPANY WITH NATIONAL AVIATION COMPANY OF INDIA LIMITED‚ TRANSFEREE COMPANY (Under Sections 391 TO 394 and 396 of the Companies Act‚ 1956) 1. PREAMBLE: 1.1 M/s Vayudoot Limited (hereinafter
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