Preparation and Recrystallisation of Aspirin Contents Page Synopsis iii 1 Introduction 1 1.1 Objective 1 1.2 Background 1 2 Theory 1 3 Procedure 2 3.1 Materials 2 3.2 Preparation 2 3.3 Recrystallisation 3 3.4 Determination of Melting Point 3 4 Results and Calculation 4 4.1 Mass 4 4.2 Percent yield 4 4.3 Melting Point 4 4.4 Appearance 4 5 Discussion 5
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Cash Flow Preparation 27. Crosby Corporation Statement of Cash Flows For the Year Ended December 31‚ 2008 Cash Flow from Operating Activities: Net Income (Earnings after Taxes) $160‚000 Adjustments to determine cash flow from operating activities: Add back depreciation 150‚000 Increase in accounts receivables
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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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Introduction An electrophile is a reagent attracted to electrons and accepts an electron pair in order to bond to a nucleophile. Electrophiles will attack benzene and result in hydrogen substitution. However‚ this is not thermodynamically favoured because a sp3 hybridized carbon is generated‚ which disrupts the cyclic conjugation. In order to regenerate the aromatic ring‚ a proton is lost at the sp3 hybridized carbon. Thus‚ p-Nitroaniline can be prepared by means of electrophilic aromatic substitution
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MINDORO STATE COLLEGE OF AGRICULTURE AND TECHNOLOGY MAIN CAMPUS ALCATE‚ VICTORIA‚ OR. MDO. LOAN ANALYSIS with WEEKLY PAYROLL VISUAL BASIC 6 PROJECT SUBMITTED BY: HAYDEE B. BONSOL BSAEn-II SUBMITTED TO: MRS. JENNY T. FERNANDO INSTRUCTOR According to Matias Arreola in his book ENGINEERING ECONOMY‚ there are many changes that have occurred in the Philippines. Some of changes are: the continuing increase in the cost of materials‚ equipment and labor caused
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Contribute to organization development Assignment 1 As manager develop an organizational development plan that addresses your challenge. A strong market for RFID technology has been created with the need for optimization of total cost and accurate asset tracking and monitoring. In the past few years‚ the coffee shops have embraced RFID in their supply chains and are beginning to enjoy real business benefits from the technology. Companies in different sectors have come to realize that RFID technology
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Preparation of Potash Alum A PROJECT REPORT SUBMITTED TO CHEMISTRY DEPARTMENT DIST: AMRELI GUJARAT BY:-ANURAG AGARWAL ROLL NO: XII SCI. 2009-2010 PRINCIPAL INTERNALEXAMINER EXTERNAL EXAMINER CERTIFICATE Certificate This is to certify that this project work is submitted by ANURAG AGARWAL to the Chemistry department‚ Aditya Birla Public School‚ Kovaya was carried out by him under the guidance & supervision during academic year 2008-2009
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Title: preparation of films for staining Objective: to produce a thin smear of bacteria adhering to a clean microscope slide as preparatory to staining. Procedure: A. From broth cultures 1. Inoculating loop was sterilized using Bunsen burner and let to be cool before use it to obtain bacterial suspension from the tube. 2. The bacterial then placed in the center of the clean microscope slide. It also speared to produce thin films. 3. The films are set to air dry before wafting the slide gently
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Tutorial preparation No6 To be posted on Studynet by Tuesday 10th March 9 AM Read Chapter 2 of the course book ‘Global Perspectives in Business’ PAGES 40-57 and your lecture notes. Task 1: What is the difference between ethnocentricity and the self-referencing criterion? (150 words) Ethnocentricity is defined to be a tendency to use one’s own culture as the standard to judge and evaluate other cultures. In other words‚ taking an ethnocentric point of view means using one’s understanding
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Title: COMMUNITY DEVELOPMENT 1 COMMUNITY DEVELOPMENT Course code BDS 112 Course title: Community Development Purpose: To introduce the students to the community development principles and concepts in order to equip them with knowledge to enable them appreciate and understand communities and how development is achieved at this level. Course Objectives: By the end of the course‚ the students should be able to: 1. Understand the theoretical basis of community development and how this is
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