Determination of Ascorbic Acid in Vitamin C Tablets Done by: lora ID #: Date:12/3/2011 Objectives: The aim of this experiment is to determine the weight of ascorbic acid in three vitamin C tablets by titrating it directly with KBrO3‚ then back titration by Na2S2O3. Introduction: Vitamin C is a weak acid and a water soluble substance and it is often called ascorbic acid. It is useful for many biological activities and main functions such as: it is used to provide reducing equivalents for biochemical
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CASE STUDY SOLUTION OF PROFESSOR’ LALU SCRIPTS INDIAN RAILWAY’S TURNAROUND FOR PRODUCTION AND OPERATION MANAGEMENT CASE-1 ‘PROFESSOR’ LALU SCRIPTS INDIAN RAILWAY’S TURNAROUND Summary In December 2006‚ as many as 137 undergraduate students from the universities of Harvard and Wharton gathered to listen Indian Railways minister‚ Lalu Prasad Yadav at Rail Bhavan. These foreign universities had expressed to know how Lalu converted the loss making Indian Railway into Rs. 20 billion profit making
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Concepts and Cases This page intentionally left blank g F O U R T H E D I T I O N ENGINEERING ETHICS Concepts and Cases CHARLES E. HARRIS Texas A&M University MICHAEL S. PRITCHARD Western Michigan University MICHAEL J. RABINS Texas A&M University Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States Engineering Ethics: Concepts and Cases‚ Fourth Edition Charles E. Harris‚ Michael S. Pritchard‚ and Michael J. Rabins Acquisitions
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Service Enterprise IE-497B Dr. A.Ravindran October 5‚ 2007 Case Study #2 (Clean Sweep‚ Inc.) Made by: Moises Eidelman 1 Question #1) Plot the Run Charts for (a) total number of complaints and (b) complaints for each crew. Part (a) Table 1 Total number of complaints per month month 1 2 3 4 5 6 7 8 9 # complaints 35 31 24 21 16 14 8 15 14 Figure 1 Run chart for total number of complaints 2 Part (b) Table 2 Total number of monthly complaints per crew month
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Case Incident 1 Is There a Price for Being Too Nice? Agreeable people tend to be kinder and more accommodating in social situations‚ which you might think could add to their success in life. However‚ we’ve already noted that one downside of agreeableness is potentially lower earnings. We’re not sure why this is so‚ but agreeable individuals may be less aggressive in negotiating starting salaries and pay raises. Yet there is clear evidence that agreeableness is something employers value
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(section 007) Office Hours: Tuesday 3:30 pm to 4:00 pm or anytime by appointment Instructional Material: Strategic Management Concepts By Frank Rothaermel - McGraw-Hill Companies‚ Inc. - 2012 – First Edition‚ Paperback - ISBN 978 0 07 732445-2 Cases for the class: available at: HBSP 1. Wii Encore? By Andrei Hagiu‚ Hanna Halaburda; Product#: 709448-PDF-ENG‚ Revision Date: Aug 25‚ 2011 2. TiVo 2007: DVRs and Beyond. By David B. Yoffie ‚ Michael Slind; Product#: 708401-PDF-ENG‚ Pub.
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I chose to use the starburst method of analyzing a conflict that I have observed in the media very frequently between various political pundits and the Republican nominee for president in the United States‚ Donald J. Trump. Mr Trump is a businessman with no experience in public service but he has seemed to persuade a portion of the country that he has the skills to make American "great again" with some sort of incredible plan that he can’t reveal to the world‚ otherwise it won’t work for some reason
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E20-1 Experiment 20 Consumer Chemistry: Vitamin C in Fruit Juices The Task The goal of this experiment is to determine the concentration of vitamin C in a range of different fruit juices (fresh and preserved) using titration and to rank these sources of vitamin C. Skills At the end of the laboratory session you should be able to: * use a pipette correctly‚ * use a pipette filler safely‚ * manipulate a burette and carry out a quantitative titration properly‚ * weigh a sample
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CASE STUDY TOPICS You can use one of the Case Study Templates (see folder) to complete your work. Or use one of the suggestions below. A. Would human cloning be of benefit to our species? You need to consider at least these points: How cell division occurs naturally The role of DNA in cell division How cloning occurs naturally in simple organisms How animal cells can be cloned How a whole organism is cloned (Dolly the sheep ...) How cloning has so far been used on animals How stem cells may be
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Research Question: How the amount of vitamin C in fruit juices affects its freshness and till what extent is the information provided on the pack by manufacturers is reliable? Background Information: Hypothesis: -fresh juices have more vitamin C than long-life -juice that is ‘not from concentrate’ is best in terms of vitamin content -if heat destroys vitamin C then heat-treated long-life juices will have lower concentrations -if heat destroys vitamin C then boiled fruit juice will have lower
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