Chromatography Lab Questions Pre-Lab Questions 1. A pencil is used rather than a pen to mark the “starting line” in step two because a pen or marker while be used to place a small dot of ink in the center of the X that is made with a pencil. 2. Capillary action is filling of pores in a solid with a liquid. Capillary action is caused by spotting or absorption and is allowed to seep or flow through. 3. The type of pen that will probably give better separation in this paper chromatography
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Scientific Writing and Standard Components of a Lab Report INTRODUCTION Writing is a powerful tool. Effective communication is necessary to succeed in any field. As a professional‚ you must communicate with both your colleagues‚ and the community at large. Writing is the means of showing the value of your work. The specific style of writing in science is based on the unique audience of readers. In addition‚ writing allows one to organize one’s thoughts and clarify ideas‚ and it fosters abstract
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Public Speaking Outline Topic: My Future Career Becoming a Criminal Investigator Specific Purpose: I love to solve mysterious‚ and investing in finding answers. Introduction Attention Material: Reasons for wanting to become a Criminal Investigator‚ what motivated me in wanting to be in the Criminal Justice System. Thesis Statements: What is a Criminal Investigator‚ what are the duties‚ do you have to go to school‚ if you do what classes are required and what kind of degree would you
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PRE LAB REPORT Reynaldo Riboul TLC and Column Chromatography October 6‚ 2013 Table of Chemicals: Chemical Hazards Mol. Wt. Density Grams Moles Acetone Flammable‚ Irritant 58.08 g mol−1 0.791 g cm−3 2.0 g 0.0344 Hexane Flammable‚ Irritant‚ Dangerous to Environment 86.18 g mol−1 .6548 g mL−1 9.0 g 0.1044 Fluorene Very toxic to aquatic life with long lasting effects 166.223 g/mol 1.202 g/mL 0.3 g 0.00180 Fluorenone Irritant 180.20 g mol−1 1.13 g/cm3 0.3 g 0.00166
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Urine Analysis Lab Report Objectives: To learn what tests can analyze a person’s urine and what they find Chem – 9 Test Specific Density Microscope Analysis of Urine To analyze a urine sample Examine presence of normal/abnormal elements Use urine sample to find specific gravity‚ pH‚ and chemical parts To have a better understanding of filtration‚ reabsorption‚ and secretion‚ and see how they affect urine production. Background: There is a lot of importance that comes with testing urine. Many different
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Lab 3: Enable Windows Active Directory and User Access Controls 1. What are the three fundamental elements of an effective access control solution for information systems? Identification‚ Authentication and Authorization 2. What two access controls can be set up for Windows Server 2003 folder and authentication? Authentication and Access Control 3. If you can browse a file on a Windows network share‚ but are not able to copy it or modify it‚ what type of access controls and permissions are
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THE SPECIFIC RELIEF ACT‚ 1877(ACT NO. I OF 1877). [7th February‚ 1877] 1 An Act to define and amend the law relating to certain kinds of Specific Relief. Preamble WHEREAS it is expedient to define and amend the law relating to certain kinds of specific relief obtainable in civil suits; It is hereby enacted as follows:- PART IPRELIMINARY Short title 1. This Act may be called the Specific Relief Act‚ 1877. Local Extent It extends to the
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Date report submitted: June 18‚ 2015 Title: Lab Techniques and Measurements PURPOSE: The purpose of this experiment is for the students to get a better knowledge with the laboratory tools and techniques. This experiment taught me how to convert between SI units and standard American units of mass‚ length‚ temperature‚ volume and time as well as how to measure the units. Students become proficient in laboratory techniques such as measuring temperature and volume and calculating within them. Procedure:
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Title: 324 Support Individuals With Specific Communication Needs Level: 3 Credit Value: 5 GLH 35 Learning Outcomes The learner will; Assessment Criteria The learner can; 1 Understand specific communication needs and factors affecting them 1 Explain the importance of meeting an individual’s communication needs 2 Explain how own role and practice can impact on communication with an individual who has specific communication needs 3 Analyse features of the environment that may help or hinder communication
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struggling students‚ but they don’t give specific information about their strengths and weaknesses. 3. Diagnostic assessments identify the specific strengths and weaknesses of students at-risk. This information helps teachers differentiate and modify the general education curriculum for students. Diagnostic assessments can also be used to develop the appropriate IEP
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