Determination of Sulfate by Gravimetry Jose Luis E. De Guzman University of Santo Tomas‚ Sampaloc‚ Manila The determination of the percentage of sulfate in a sample is done as an instrument of learning a quantitative method of analysis‚ i.e.‚ of the gravimetric analysis. This type of analysis‚ which makes use of the weight of the samples was used for the experiment and required the precipitation of our analyte‚ SO4-2‚ and its filtration as a BaSO4 precipitate so as for weighing it. The weight
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Gender and Social Constructions The German Chancellor‚ the President of South Korea‚ the President of Taiwan‚ and a US Supreme Court Justice. What do all these jobs have in common? They are all positions held by women. However‚ in our modern day patriarchal-based society‚ we have a negative connotation towards female politicians. The common misconception of most women is that they are not built to lead. Nevertheless‚ this is a myth that cannot be backed by evidence unless sexist ideas have now become
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Determination of rate of photosynthesis INTRODUCTION Photosynthesis is the major process by which light from the sun is captured by plants‚ algae and some bacteria to produce energy. It is a process in which light energy is converted into chemical energy which is then stored in sugars. Photosynthesis occurs in two stages‚ light-dependant reactions and light-independent reactions. In light-dependent reactions the chlorophyll traps light energy which is then used to excite electrons and split water
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CHAPTER-1 INTRODUCTION 1.1 PAVEMENT DEFINITION Surface or pavement is the durable surface material laid down on an area intended to sustain vehicular or foot traffic‚ such as a road or walkway. In the past gravel road surfaces‚ cobblestones and granite settles were extensively used‚ but these surfaces have mostly been replaced by asphalt or concrete. Such surfaces are frequently marked to guide traffic. Today‚ permeable paving methods are beginning to be used for low-impact roadways
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DECAY AND DRTERIORATION OF BUILDINGS CAUSES OF OCCURANCE OF CRACKS The important causes responsible for occurrence of cracks in buildings‚ are as under: 1) Cracks due to moisture changes. 2) Cracks due to temperature variation. 3) Cracks due to elastic deformation and creep. 4) Cracks due to effect of chemical reaction. 5) Cracks due to movements of ground. 6) Cracks due to vegetation. The various causes of formation of cracks and measures adopted to prevent them are described
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CIPAA The Proposed Enactment of CONSTRUCTION INDUSTRY PAYMENT AND ADJUDICATION ACT (CIPAA) CIPAA Background The Government has long realized problems facing parties to construction contracts in securing regular and timely payment that impacts cash flow during project implementation. In ensuring the smooth implementation of construction projects‚ problems of this nature must be addressed especially at the onset of the 10th Malaysia Plan. On 15th July 2009‚ Cabinet has agreed that CIPAA
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"Explain how production possibilities curves can be used to demonstrate the problem of unemployment‚ the effects of technological change and the benefits of economic growth."A production possibility frontier (also known as production possibility curve) represents all the possible combinations of the production of two types of goods and services that the economy can produce at any given time through graphical means. It is used to clearly demonstrate the problem of unemployment‚ the effects of technological
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Background: Pepsinogen is an inactive protein that is the mucus lining of the stomach. When converted to pepsin‚ the enzyme is used to break down large or undigested protein they has been absorbed by the small intestine. The digestive power of pepsin is greatest at the acidity of normal gastric juice (pH 1.5–2.5). In the intestine the gastric acids are neutralized (pH 7)‚ and pepsin is no longer effective. "Pepsin (biochemistry)." Encyclopedia Britannica Online. Encyclopedia Britannica‚ n.d. Web
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WESTBAND CONSTRUCTION LTD. 9910 39 Avenue P.O. Box 2408 Edmonton‚ Alberta T5J 2R4 October 27 - 2011 City of Edmonton Drainage Branch Dear Madam / Sir‚ Request for Change Order: Regarding to our meeting dated July 30‚ 1993; WestBan Construction Limited needs City’s approval for extra time and cost to precede with additional scope of the construction work (changing slope in North and East banks‚ adding required shoring for stabilizing the soil‚ leaving shoring in the ground‚ pouring
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An oligopoly describes a market situation in which there are limited or few sellers. Each seller knows that the other seller or sellers will react to its changes in prices and also quantities. This can cause a type of chain reaction in a market situation. In the world market there are oligopolies in steel production‚ automobiles‚ semi-conductor manufacturing‚ cigarettes‚ cereals‚ and also in telecommunications. Often times oligopolistic industries supply a similar or identical product. These
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