Technology Solution to a Business Problem Subject of Course Project Advanced technology is proved to be beneficial for organizations and business more than ever before‚ it helped in bringing business close. It assisted in each and every aspect of business from making team of best employees‚ to booking order‚ delivery of products and their support. We need to use advanced technology in order to help business needs of an organization or use specific technology to solve a business related issue
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Title: pH and buffer solutions Aim This experiment was carried out to determine the role of buffer solution and the factor which affect the buffer capacity. Besides‚ this experiment was carried out to investigate the solubility of protein casein over a range of pH concentration. This experiment also was carried out to determine the isoelectric point of the casein and the effect of the isoelectric point toward the casein solution. Methods Verification of the Henderson-Hasselbalch equation
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BUFFERS By: Luis P. Bazan‚ RPh.‚ Ph.D. A buffer solution is a solution of: 1. A weak acid or a weak base and 2. The salt of the weak acid or weak base Both must be present! A buffer solution has the ability to resist changes in pH upon the addition of small amounts of either acid or base. Consider an equal molar mixture of CH3COOH and CH3COONa CH3COOH (aq) H+ (aq) + CH3COO- (aq) Adding more acid creates a shift left IF enough acetate ions are present 16.3 Which of the
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Experiment 3 : Preparation of Solutions and Buffers Objectives : 1. To study and understand the principle theory and formula of preparation of buffer and solution. 2. To learn the methods of buffer and solution preparation. 3. To focus on concentration units of molarity‚ percentage of concentration‚ and dilution of solution. Introduction : When a substance‚ called a solute‚ is dissolved in another substance‚ called the solvent‚ a solution is formed. A solution is known as a homogeneous
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Mixtures and Solutions can often become confusing because solutions are mixtures‚ but not all mixtures are solutions. A mixture can either be homogeneous or heterogeneous. A homogeneous mixture is where the mixture’s components are distributed uniformly within the mixture. A heterogeneous mixture is where the components are not uniform. Mixtures can either be miscible or immiscible‚ the difference being whether or not the mixture forms a homogeneous mixture or not. In a solution a solute is soluble
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constituents as cations and non-metallic constituents as anions. In this experiment‚ you will analyze a known solution that contains the entire Group I cations—silver‚ lead‚ and mercury (I)—and an unknown solution to determine which ions are present and which are absent. II. DISCUSSION: The chlorides of Pb2+‚ Hg22+ and Ag+ are all insoluble in cold water. They can be removed as a group from solution by the addition of HCl. The reactions that occur are simple precipitations and can be represented by
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of Manila) Intramuros‚ Manila COLLEGE OF NURSING Benedict’s Solution Submitted by: Marco Antonio A. Baltazar BSN IV-3 Submitted to: Prof. Marilyn Agravante Community Health Nursing Benedict’s Solution What is Benedict’s Solution? Benedict’s solution‚ deep-blue alkaline solution used to test for the presence of the aldehyde functional group‚ - CHO. The substance to be tested is heated with Benedict’s solution; formation of a brick-red precipitate indicates presence of the aldehyde
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This assignment must be submitted no later than November 22nd‚ 2011. 1. What is a true solution? Explain why the solute does not settle out of a solution. Is it possible to have one solid dissolved in another? Explain. In metals it would be called an alloy. 2. An aqueous solution of KCl is colorless‚ KMnO4 is purple‚ and K2Cr2O7 is orange. What color would you expect of an aqueous solution of Na2Cr2O7? Explain. Orange. 3. Explain why hexane will dissolve benzene but will not dissolve
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mangosteen skins? 4. Which plant extract when combined with alum is suitable for dyeing a synthetic fiber? 5. Which plant extract when combined with copper sulfate is suitable for dyeing cotton? 6. Does the acidity-basicity of the dye solution affect the quality of the dyed product? What you need Dye materials: plant parts such as peelings of mangosteen fruit‚ purple camote‚ and eggplant or red mayana and pandan leaves Fabrics: cotton‚ rayon‚ or any synthetic fiber Mordants:
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A Proposal to Investigate Effective Solutions to Lack of Access of Engineering Students in Bilkent University to the Exams of the Past Years Çağatay Güleç 20902028 1.0. INTRODUCTION Students of engineering departments in Bilkent University need to study hard for their exams in order to get satisfactory grades from their departmental courses. To accomplish that‚ they need to solve either sample problems from their course books or questions from the exams of previous years. A preliminary
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