Lab 1- Measurements of a Table ABSTRACT: The purpose of this experiment was to determine the value of the acceleration of a free falling object and to describe the range of experimental values. Within the experiment the items used to help provide the conclusion that 2/3 or our values fell within the 9.62m/s^2- 9.78m/s^2 range was a Vernier data-collection interface‚ Logger Pro Application and the apparatus Photogate. The results found within the 30 trial periods were all precise
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concentrations of 0.0 mol dm3‚ 0.2 mol dm3‚ 0.4 mol dm3‚ 0.6 mol dm3 and 0.8 mol dm3 affect the osmolarity point of potato cells‚ where it is investigated how osmosis changes the weight of the potato cells‚ measured by the percentage change between the initial and final mass of the potato? Independent Variable: Increasing sucrose concentrations Dependant Variable: Mean percentage change in mass of potato cells All cells have a protective barrier‚ one which selectively allows substances to enter and exit
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10/27/13 Periodic Table Lab Chemistry Purpose: Finding the general properties of elements through tests and then being able to organize the metals‚ nonmetals‚ and semimetals on the periodic table. The purpose of this lab was achieved. As a class we were able to take the elements and then test them to find
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Chapter 7 Lab 7.1.1 Why is it impractical for an organization to own the entirety of a WAN? There are no limitations on WANs so they can be custom built for the size of the organization. Why is it favorable for an organization to maintain ownership of the entirety of the LAN? Because the purpose of organizational expansion. Table 7-1 WAN Physical Media Media Infrastructure Summary UTP Phone lines The quality of UTP may vary from telephone-grade wire to extremely high-speed cable. The cable
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Diffusion and Osmosis Experiment with a Shell-Less Egg After Three days of Testing Methods with Water and Corn Syrup Lisa July 1‚ 2013 Purpose To use the properties of diffusion and osmosis to see the effects of either corn syrup or water on a shell-less raw egg over a three day period. While looking to see the effects of these liquids on the raw egg‚ one can also apply the properties of hypotonic‚ hypertonic‚ and isotonic solutions. Introduction Cells have an outer covering called the cell membrane
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Lab 7: Repetition Structures I This lab accompanies Chapter 5 (pp. 163-183 and pp. 196-201) of Starting Out with Programming Logic & Design. Name: ___________________________ Lab 7.1 –Condition Controlled with While and Do-While Loops: Pseudocode Critical Review A repetition structure causes a statement or set of statements to execute repeatedly. Repetition structures are used to perform the same task over and over. Repetition structures are commonly called loops A condition-controlled
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Assessment Worksheet 111 LAB #7 – ASSESSMENT WORKSHEET Relate Windows Encryption and Hashing to Confidentiality and Integrity Overview This lab demonstrated how hashing tools can be used to ensure message and file transfer integrity and how encryption can be used to maximize confidentiality. Common hashing and encryption tools‚ including MD5‚ SHA1‚ and GnuPG‚ were used. You used GnuPG to generate both a public and private key and a secret key for encryption only. Lab Assessment Questions &
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50 Lab #3 | Enable Windows Active Directory and User Access Controls Lab #3 – Assessment Worksheet Enable Windows Active Directory and User Access Controls Course Name and Number: Student Name: Instructor Name: Lab Due Date: Overview This lab provides students with the hands-on skills needed to create a new Active Directory domain in Windows Server 2003 and demonstrates how to configure a centralized authentication and policy definition for access controls. The Active
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Experiment for the measurement of carbon dioxide and oxygen concentrations and their functions during the act of breathing. Introduction: Humans‚ like all living organisms need‚ O2 in order to live‚ they take the necessary O2 from the atmospheric air. The O2 is transferred from the blood to all cells of the body and serves for oxidation of nutrients for example glucose. By oxidize the nutrients released energy‚ which is necessary for the functions of the human body. During oxidation produces
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Mrs. Heimforth 12/06/10 Diffuse the Osmosis Section 2: Introduction Step 1: The scientific concept of this lab was to see how osmosis transferred the substance through the cells to reach equilibrium. Step 2: My hypothesis was that the bag with 60% sucrose then it would be heavier than the bag with tap water or 30% sucrose. I thought this because I thought that there would be more of a substance change in 60% sucrose. Section 3: Methods First get 3 pieces of the same length of tubing then
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