Chemistry 105 A Final Exam 06/24/10 First Letter of last Name Dr. Jessica Parr Question 1 2 3 4 5 6 7 8 9 10 Maximum points 18 8 12 12 8 10 12 10 6 6 (Sub-T) PLEASE PRINT YOUR NAME IN BLOCK LETTERS Name: __________________________________________ Last 4 Digits of USC ID:_____ _____ _____ _____ Lab TA’s Name: _________________________________ Score (102) Grader Question 11 12 13 14 15 16 17 18 19 20 (Sub-T) TOTAL
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Chemistry 1211 Prof. Dan Schwartz Exam #2 Thursday‚ 3/13/2003 7:00 – 8:30 P.M. There is a single correct choice for each question. Answer all questions on the Scantron sheet by filling in the proper bubble with a #2 pencil. If you change an answer‚ erase the undesired mark thoroughly. Be sure to fill in the boxes for your student number‚ name and lab section; then correctly fill in the corresponding bubbles beneath them. A periodic table and other useful information are attached to the back
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WHAT IS FLUID MECHANICS ? FLUIED: Any thing whose particles can move easily from one place to another that means shape can be easily changed upon the application of negligible force. MECHANICS: Study of response of bodies upon the application of force. FLUID MECHANICS : Fluid mechanics may be defined as the branch of engineering science which deal with behavior of fluids under the condition of rest and
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enough hydrogen peroxide from the bottle to cover the liver in glass “E”‚ add a little more. Pour the same amount of water into tube “C”. A simple test for the presence of hydrogen gas is to hold a glowing wooden applicator stick at the mouth of the test tube or in the bubbles forming at the surface of the liquid. Hydrogen gas produces a popping sound. A simple test for the presence of oxygen is to hold a glowing applicator stick in one or more of the bubbles inside the tube. If oxygen is present‚ the
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THERMAL EXPANSION HEAT MYP-5 | Thermal Expansion happens a lot in everyday life. When something is heated and expands this is Thermal Expansion. The way Thermal Expansion works‚ is when it is heated the atoms expand‚ and then when it is cooled it shrinks. Several examples of Thermal expansion is the tendency of matter to change in volume in response to a change in temperature. When a substance is heated‚ its particles begin moving more and thus usually maintain a greater average separation
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materials. Characteristics PCMs latent heat storage can be achieved through solid–solid‚ solid–liquid‚ solid–gas and liquid–gas phase change. However‚ the only phase change used for PCMs is the solid–liquid change. Liquid-gas phase changes are not practical for use as thermal storage due to the large volumes or high pressures required to store the materials when in their gas phase. Liquid–gas transitions do have a higher heat of transformation than solid–liquid transitions. Solid–solid phase changes
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research used a cold atmospheric pressure plasma jet system with an inclined style of treatment (gradient = 45o) as shown in Figure 1. This system was developed based on Teschke et al.32 Medical-grade argon gas (99.999% purity) produced by the Samator Company (Indonesia) was used as a carrier gas. Two aluminium foil ring electrodes were used around the quartz tube for this system. It had a quartz tube with a 1.5 mm inner diameter and a 2.7 mm outer diameter. The quartz tube was produced by the Fujiwara
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air as an ideal gas. In a real engine inlet flow may be all air‚ or it may be mixed‚ up with 7% fuel‚ either gaseous or as liquid droplets‚ or both. In air-standard analysis‚ even if all fluid in an engine cycle were air‚ some error would be introduced by assuming it to be an ideal gas with constant specific heats. At the low pressures of inlet and exhaust‚ air can accurately be treated as an ideal gas‚ but at the higher pressures during combustion‚ air will deviate from ideal gas behavior. A more
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Brayton Cycle (Gas Turbine) for Propulsion Application Analysis Engineering Software P.O. Box 1180‚ Germantown‚ MD 20875 Phone: (301) 540-3605 FAX: (301) 540-3605 E-Mail: info@engineering-4e.com Web Site: http://www.engineering-4e.com Brayton Cycle (Gas Turbine) for Propulsion Application Analysis by Engineering Software Course Category: Engineers Course Level: Intermediate Credit: 1 Hour -- i -- Brayton Cycle (Gas Turbine) for Propulsion Application Analysis Course Description The ideal cycle
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Determination of Molar Mass by Vapor Density One of the properties that helps characterize a substance is its molar mass. If the substance in question is a volatile liquid‚ a common method to determine its molar mass is to vaporize it and apply the ideal gas law‚ PV = nRT to the data collected. Because the liquid is volatile‚ it can easily be converted to a vapor. Volatile substances are usually composed of nonpolar molecules. As a result the molecules have primarily London dispersion forces and very little
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