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    Aspirin Lab

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    Conclusion: The purpose of this lab was to synthesize and purify aspirin. The theoretical yield was calculated to 3.766g. The actual yield of pure aspirin was 2.863g with a yield of 76%. The percent yield indicates that our synthesis was a success but the yield is low and indicates that some of the aspirin was lost during synthesis. Some reasons for loss can result from human error such as loosing product from sticking on the spatula and the Buchner funnel and several weighings. Also‚ when transferring

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    Cheese Lab

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    Cheese lab Introduction Scientists work to create new and improved versions of cheese-curdling enzymes‚ as well as to improve the yields and qualities of cheeses. Modern-day cheese makers want to produce large amounts of high-quality cheese in the most economical way. Purpose ▪ Determine which curdling agent produces cheese the fastest. ▪ Determine which curdling agent produces the most cheese. ▪ Examine numerical data to support predictions. ▪ Examine variables that can

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    Acknowledgement 5

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    Acknowledgement We would like to extend our warmest thanks to Almighty God for he is the source of our strength and power. Our sincerest thanks to our families‚ parents‚ brothers and sister‚ relatives‚ Mr. Darwin Ryan F. Ting for he’s patience in teaching us the techniques in writing the proposal. We wish to thank to all the authors of the books and some sample whose were able to help us a lot in conducting the study about the Thesis0. MASINAG Glass‚ Aluminum and Iron Works ‚ we thanks

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    EYMP 5

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    CYPOP 2: Care for the physical and nutritional needs of babies and young children 6.1 When planning meals for young children it is best to meet their nutritional needs. Each meal should be the right consistency for the child and include all of the major food groups. There are five food groups‚ bread‚ cereals and potatoes (starchy food)‚ fruit and vegetables‚ milk cheese and yoghurt‚ meat‚ fish eggs‚ beans‚ lentils (protein) and foods high in fat and sugar. When planning a meal the fruit

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    Lab Analysis

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    Iker Lopez Anatomy & Physiology P2 Wednesday‚ September 19‚ 2012 Heart Rate Response to Baroreceptor Feedback Lab Fundamental Question: Does the body respond to its environment? Testable Question: When the body is in the squat position to normal while the time limit stays the same and how far you squat is the same‚ will the heart rate recover after returning to standing position in 10 seconds? Hypothesis: If the body moves back to normal position from squatting position while the time limit

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    M19 Lab

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    M19 Lab: Reactance and Impedance Roger Argo ECEN 150 Introduction: Purpose: 1.  Practice calculating reactance and impedance. 2.  Observe the phase shift between voltage and current caused by reactance and impedance. 3.  Learn how to make AC voltage phase shift measurements with an oscilloscope. 4.  Become more familiar with laboratory instruments and reading instrument operating manuals. Equipment / Materials 1. 0.1 UF Capacitor 2. 1 Kilo ohm Resistor 3. Oscilloscope 4. Generator

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    Penny Lab

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    diagram. 2. Mass and record the mass of the penny. 3. Using a graduated cylinder‚ measure 60.0 mL of 3.0 M HCl and pour it into your 100mL beaker. 4. Place the penny in the HCl solution etch side up and record observations for 3-5 minutes. 5. Place the beaker in your lab drawer. 6. Answer question #1 for tomorrow. Read and prepare a data table for Day II. DAY II 1. Using your forceps‚ carefully remove the fragile copper jacket that is left from the penny. Rinse it gently in distilled water. 2. Dry

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    Lab 1 Heart Rate Lab Answers

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    Lab 1: Heart Rate Lab (Revised Fall 2010) Lab 1. Heart Rate‚ Physical Fitness‚ and the Scientific Method Prelab Assignment Before coming to lab read carefully the following pages on the scientific method and then answer the prelab questions at the end of this lab handout. Be prepared to discuss and/or hand in your responses to the prelab questions at the start of lab. Introduction Biology is a dynamic field of study whose aim is to unravel the mysteries of life itself. Throughout history‚ humans

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    5 Inequality

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    UNIT 5 INEQUALITY: CASTE AND CLASS Structure 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.1 Introduction Notion of Social-Inequality Nature of Caste-Inequalities in India Caste as the Invention of Colonial Modernity or a Legacy of Brahmanical Traditions Nature of Class-Inequality in India Interrelation of Caste and Class Hierarchies Social-Inequalities‚ Development and Participatory Politics Summary Exercises INTRODUCTION The normative and democratic pillars of institutions and doctrines enshrined in

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    Titration Lab

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    Titrations are also often used to determine the pH of a solution. This is important because without knowing how acid or basic a solution is people could hurt themselves and others but mixing chemicals together that are lethal. The objective of the is lab is to develop familiarity with the concepts and techniques of titration and to determine the concentration of an acidic acid solution. It was necessary to add Phenolphthalein because it acts as an indicator‚ that is a weak acid‚ so it is easier

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