Henry Su December 12‚ 2001 Chapter Notes Chemistry 221 Chapter 13 Dr. Rahni Titrating Polyfunctional Acids and Bases 13A—Polyfunctional Acids -Phosphoric Acid is a typical polyfunctional acid H3PO4 + H2O ( H2PO4- + H3O+ Ka1 = [H3O+] [H2PO4-] = 7.11e-3 [H3PO4 ] H2PO4- + H2O ( HPO4-2 + H3O+ Ka2 = [H3O+] [H2PO4-2] = 6.32e-8 [H2PO4- ] HPO4-2 + H2O ( PO4-3 + H3O+ Ka3 = [H3O+] [PO4-3] = 4.5e-13 [HPO4-2]
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Sesame production is one of the major agricultural activities and accounts for a large share of agricultural export. The sesame sub sector employs a large number of Ethiopians‚ generates over 90% of the values of oil seeds exports and contributes a lot to the government revenue (Indiog‚ 2007)) Sesame production trend in Ethiopia indicates that almost the production is increasing‚ especially in southwest and northwestern parts of the country which is driven by high market value and suitability of
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There are many things people have to go through to reach their dreams. Just like the author Sandra Cisneros said in her book “The House on Mango Street.” Esperanza and her family from “The House on Mango Street” had to go through countless things to find the house of their dreams and to reach the American Dream. The three main struggles to the American Dream and that Esperanzan’s family had to go through are poverty‚ language barrier‚ and education. Recently‚ there are three main obstacles to reaching
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1. Understand what is the same about all life‚ and what makes life diverse LOCS A. List the five characteristics all organisms on Earth share B. Explain why the first four are required for life C. Differentiate heterotrophs and autotrophs 2. Understand that energy to sustain life is derived from chemical potential energy LOCS A. Relate the distance of electrons from their protons to the concept of chemical potential energy B. Define exergonic and endergonic chemical reactions
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apparatus while hot water was used to extract oil from decorticated sesame seed. The yield from both method varied and the free fatty acid also increases with storage time. CHAPTER ONE 1. INTRODUCTION Sesame‚ common name for a genus‚ containing about 15 species of herbaceous plants native to Africa and Asia‚ applied especially to one of its species that is widely cultivated for its seeds. The oil extracted from sesame seeds is used in cooking‚ as salad oil‚ and in making margarine
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Fatty acid composition of oil extracted from raw white sesame seeds and their changes during different heat treatments: Fatty acid composition of the oil extracted from raw white sesame seeds (RWS) is shown in Table (4): The most abundantly found fatty acids were 18:2 (linoleic acid) being 45.68%‚ followed by 18:1 (oleic acid) 35.83%. Other fatty acids were found in considerable amount are 16:0 (Palmitic acid) 9.15% and 18:0 (stearic acid) 6.90% for RWS. The results obtained are in agreement
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The goal of reaching the “American Dream” is sought after by many all around the world. The “American Dream” is what minorities view as the ideal life. The difficulty and problems that can can occur while trying to obtain this goal were highlighted in The House on Mango Street by Sandra Cisneros. It highlights the many issues that face minorities while trying to obtain the “American Dream” such as discrimination‚ poor education‚ and lack of money as well as many other obstacles they have to overcome
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Ms. Mulhern APUSH Pd. 2 14 Nov. 2016 DBQ: Revolutionary War Since the French and Indian war‚ it was clear that the citizens of the New World were split between staying with the British empire‚ or leaving for potential freedoms‚ rights‚ and other possibilities that were not present under the British monarchy. The split in the people foreshadowed the waging of the Revolutionary War‚ and the eventual emergence of a new political system. Although‚ the steps to waging the revolution were in no way easy
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Goal‚ Goals‚ Goals‚ Darrah White 07/28/2013 1. What steps does your textbook’s author recommend for achieving your short term goals? The textbook’s author recommends achieving short term goals should have two steps. First identify your short term goals‚ decide each goals importance at this current time‚ then pick the goal that is most crucial to achieve at this time. Secondly‚ list all the necessary steps it will take to achieve this goal‚ then determine
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Establishing‚ Presenting and Using Outcome Measures ∗ Outcome measures are important to accreditation and other forms of evaluation. Outcome measures are quantifiable indicators that gauge productivity‚ in this case productivity of a school or graduate program of public health. Although this paper refers to schools‚ the information and advice herein are also applicable to graduate programs outside schools of public health. These quantifiable indicators may represent a school in its entirety‚ or
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