Determining substances contained in a mixture using qualitative analysis Introduction: The purpose of this lab was to determine the substances contained in a random mixture using qualitative analysis. Qualitative analysis is the analysis of a substance in order to ascertain the nature of its chemical constituents (Qualitative analysis). The substances that could be found were iron‚ cinnamon‚ corn starch‚ baby powder‚ copper‚ and strontium. A magnetism test was used to determine whether iron or
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Exercise 25 Special Senses: Hearing and Equilibrium Answers to Pre-Lab Quiz (pp. 383–384) 1. three 2. a‚ auricle 3. tympanic membrane 4. d‚ stapes 5. a‚ cochlea 6. otoscope 7. b‚ Rinne 8. b‚ internal ear 9. macula/vestibule 10. c‚ involuntary trailing of eyes in one direction‚ then rapid movement in the other Answers to Activity Questions Activity 4: Conducting Laboratory Tests of Hearing (pp. 387–388) Acuity Test The threshold is indefinite. Sound Localization No‚ the sound is less easily located
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Module One: Lab Questions 1. Describe some of the influence of Latin music in the US in the early part of the twentieth century. • Latin music in the U.S. has given rise to new styles of music‚ such as Reggaeton and Latin Jazz. This has created a cultural infusion and melting pot within America. 2. What was the significance of "Machito and His Afro-Cubans"? • The significance of “Machito
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Classification of Body Membranes Exercise 1: The Microscopic Structure of Cutaneous Membranes 1. 2. Observations: Sketch your observations from the microscope slide in the lab report assistant. Indicate the keratinized layer on the sketch and describe the observed structures and cells. Questions: A. What is keratin? The fibrous protein that helps give the epidermis its protective properties B. Why is the skin keratinized? To help protect itself Exercise 2: Microscopic Structure of Mucous
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CHAPTER 4 RESULTS AND DISCUSSION 4.1 Identification of camphor and menthol using gas chromatography – mass spectrometry (GC – MS) In this study‚ the presence of menthol and camphor were determined from 5 different locally produced medicinal topical ointment samples. Sample of Vick® VapoRub® and Hurix’s Massage Balm were purchased from local pharmacies‚ Bunga Cengkih Balm and Serai Balm samples were purchased from the grocery shop. Buah Pala Balm sample was purchased from the night market
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Assessment Worksheet Using Group Policy Objects and Microsoft Baseline Security Analyzer for Change Control Johnathan McMullen Student Name: ________________________________________________________________ Stephen Osborne Instructor Name: ______________________________________________________________ Lab Due Date: ________________________________________________________________ Overview There are many tools and suites designed to aid the security practitioner and the organization in implementing
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To: HR Director From: Date: 11/10/2013 Subject: Collecting‚ Storing and Using HR Data. Why HR collects data According to Martin at al (2010‚ pg. 278) there are seven reasons HR collect data: To satisfy legal requirements‚ To provide the organisation with information to make decisions‚ To record contractual arrangements and agreements‚ To keep contact details of employees‚ To provide documentation in the event of a claim against the organisation‚ To provide information for consultation requirements
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ITT TECH UNIT 6 LAB Lester REinoso 1. What is the difference between Roles and Features in Windows Server 2008? Roles: Windows AD/DC Server‚ DNS‚ DHCP‚ File‚ Print‚ NAP‚ Terminal Server‚ IIS‚ WDS‚ WSS‚ Features: NET‚ Bitlocker Encryption‚ BITS‚ Remote Assistance‚ SMTP Server‚ SNMP‚ telnet server & client‚ failover‚ NLB‚ TFTP‚ Windows Server Backup‚ WINS‚ Powershell 2. What is installed when you choose the Windows Server Backup Feature? Microsoft website states‚ the Windows Server Backup feature
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Also‚ imagine having to carry various inhalers and oxygen as part of an everyday routine. This is how it feels to have Alpha-1 Antitrypsin Deficiency‚ also known as early onset emphysema. For someone with Alpha-1 Antitrypsin Deficiency‚ everyday tasks can seem nearly impossible. Simply walking upstairs or raking leaves
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Enzyme Specificity Using Beta-galactosidase and Alpha-galactosidase Introduction: In order to survive‚ organisms need reactions to occur at a certain time and place. Enzymes make these reactions happen. Enzymes are highly specific causing only one enzyme to catalyze one reaction. “Induced fit” explains why enzymes act this certain way. An enzyme will surround a certain substrate and form to it for the reaction to occur in the active site. If it doesn’t form to it‚ the reaction will not occur
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