"Cartesian" is named after the French mathematician and philosopher Rene Descartes‚ who lived from 1596 until 1650. Cartesian diver lab is used commonly in scientific experiments to illustrate principle of buoyancy. The objective of this Cartesian diver lab is to demonstrate Pascal ’s law and Archimedes ’ principles. Observation is the key to conduct this experimental study of the Cartesian diver. First a 2-liter bottle is filled with water to almost all the way to the top‚ then prepare the diver
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The musculoskeletal system includes bones‚ muscles‚ and connective tissues that all work together to provide the framework for the body‚ create body movements‚ store minerals and lipids‚ produce blood cells‚ and protest the body’s organs. The bones‚ muscles‚ and connective tissue comprise approximately sixty percent of the body’s mass. There are 206 bones and about 700 named muscles of three different types: skeletal‚ cardiac and smooth muscles (Taylor). Musculoskeletal disorders consist of minor
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File: chap27‚ Chapter 27 Multiple Choice 1. Which of the following statements related to osteoporosis is INCORRECT? A. It is manifested by progressive decalcification of bones. B. It predisposes to fracture. C. Supplementary calcium intake may retard or prevent progression of the disease. D. It occurs with equal frequency in both men and women. Ans: D Page: 732 2. Which of the following statements related to herniated intervertebral disk is INCORRECT? A. Protrusion of the disk material
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Experiment #1 Title: Physical and chemical changes‚ and measurements in the metric system Name: Goh Kian Shen Lecturer: Dr. Anne Kee Hooi Ling Section: Chemistry 107A Date lab was performed: 17 January 2013 Aim: The aim of the experiment is to understand physical and chemical changes of
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Solid Freeform Fabrication of Functionally Graded Materials Abstract: Functionally Graded Materials (FGMs) have a wide range of potential commercial applications which consist of components requiring wear-resistant surfaces such as engine components‚ rocket nozzle and so forth [1]. Solid freeform fabrication (SFF)‚ especially Freeze-form Extrusion Fabrication (FEF) technology‚ an economical method feasible for grading among many compatible plastic‚ ceramic and metal materials combinations
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calcium level in the blood and in tissues that need calcium to function properly. When the calcium level increases‚ it will cause symptoms that point to hyperparathyroidism. The extra calcium in the blood comes from the bones so fractures can occur. Blood work as well as bone density scanning will be used to diagnose hyperparathyroidism. Treatment at first will try to correct the high calcium level by dilution with IV fluids and Lasix. If the condition is severe‚ the parathyroid gland that is malfunctioning
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Individual solid particles are characterised by their size‚ shape‚ and density. 1.1 Particle shape The shape of an individual particle is expressed in terms of the sphericity F s‚ which is independent of particle size. The sphericity of a particle is the ratio of the surface-volume ratio of a sphere with equal volume as the particle and the surface-volume ratio of the particle. For a spherical particle of diameter D p‚ F s =1; for a non-spherical particle‚ the sphericity is defined as Dp:
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take the mean of the two temperatures you have measured as the effective temperature of the water during the calibration. Calculations 1. Find the mean of the four trials. The mean volume can now be determined from the mean mass and the density of water at the temperature you determined in 6 above. However‚ there is a correction to be made for the upthrust of air on the water during the weighing. In normal day-to-day use of balances we neglect this correction‚ but now that we are interested
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C3 0.0711 0.0394 0.0517 i-C4 0.0147 0.0107 0.0127 n-C4 0.0375 0.0274 0.0312 i-C5 0.0125 0.0113 0.0121 n-C5 0.0163 0.0148 0.0156 C6+ 0.3274 0.7721 0.6217 H2O 0.0000 0.0000 0.0000 TOTAL 1.0000 1.0000 1.0000 Relative Density @ 15°C Relative Molecular Mass OBS OBS CALC 0.8265 TOTAL SAMPLE CALC 188 0.6659 Data Summary MOLE FRACTION MASS FRACTION VOLUME FRACTION 0.3274 0.7721 0.6217 79.6 Paraffinic Component Groups
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General ColleGe Chemistry LabPaq / Published by: Hands-On Labs‚ Inc. sales@HOLscience.com / www.HOLscience.com / Toll Free 866.206.0773 a laboratory manual of small-scale experiments for the independent study of General College Chemistry 50-0125-CK-01 LabPaq® is a registered trademark of Hands-On Labs‚ Inc. (HOL). The LabPaq referenced in this manual is produced by Hands-On Labs‚ Inc. which holds and reserves all copyrights on experiences. The laboratory manual included with a LabPaq
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