Boyle’s Law - Solutions 1) If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L‚ what will the new pressure inside the piston be? P1V1 = P2V2 (1.5 atm)(5.6 L) = (x)(4.8 L) x = 1.8 atm 2) I have added 15 L of air to a balloon at sea level (1.0 atm). If I take the balloon with me to Denver‚ where the air pressure is 0.85 atm‚ what will the new volume of the balloon be? P1V1 = P2V2 (1.0 atm)(15 L) = (0.85 atm)(x) x = 18
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Part A: The effect of pressure head on maximum flow of gas for different size orifices For the orifices having different sizes but located at same level‚ the orifice 1‚ 2‚ 3 and 4 are having sizes of 0.5‚ 0.38‚ 0.28 and 0.1cm respectively. Based on the result obtained‚ the graph of Pressure Head vs. maximum flow rate for Orifice having different size but at the same level at a pressure for 1‚ 2 and 3 bar was plotted. Based on the graph obtained for all three different pressures‚ it is clear that different
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Gases have neither definite shape or volume 1) volume changes with pressure 2) volume changes with temperature 3) gases are miscible 4) gases are generally MUCH less dense than liquids 2. Atmospheric pressure 1 atm = 760 torr (mm of Hg) F= ma F = force m = mass a = acceleration P = F/A - ma/A P = pressure A = area 1 Pa (Pascal) = 1kg/m-s2 : 1 kg per meter-second
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Experience There comes a time in each and every human being life when they sacrifice their values and beliefs under the pressure of circumstances or people in order to get accepted by the society. “Salvation” by Langston Hughes and “Shooting an Elephant” by George Orwell are both based on an incident where they had to sacrifice their belief under the pressure of the people around them. The main similarity is that both the narrators went through a situation in their life‚ where
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but not typically required on a Cisco switch? a. Connect Ethernet cables b. Connect serial cables c. Connect to the console port d. Connect the power cable e. Turn the on/off switch to “on” In what modes can you execute the show mac-address-table command? a. User mode b. Enable mode c. Global configuration mode d. Setup mode e. Interface configuration mode Which of the following is a difference between Telnet and SSH as supported by a Cisco switch? a. SSH encrypts the passwords used at login
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motion & frequent collision Effusion: escape of gas from a container to a region of vacuum Gas Pressure P= Force/area Force: Newton or kg x m/s2 Pressure: Pascal or N/m2 Standard atm pressure P= hdg H: height‚ d: density; g: 9.80665 m/s2 1 atm* = 101‚325 Pa = 760 mmHg* = 760 torr* = 1.01325 bar = 14.7 psi barometer: measure atmospheric pressure Monometer: measure pressures other then atm pressure Gas Laws Boyles law: P at constatnt T is iversely prop to V P1V1=P2V2 EX:Calculate the volume
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connected to a pressure gage through a double-U manometer. For a given reading of the pressure gage‚ 1. Determine the gage pressure of the gasoline line. 2. Determine the absolute pressure of the gasoline line. King Fahd University of Petroleum and Minerals Mechanical Engineering Department ME203 Thermodynamics Quiz # 1 (Term 072) Monday 17-3-2008 15 Minutes Student Name ID # B A gasoline line is connected to a pressure gage through a double-U manometer. The gage pressure of the gasoline
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Why does there seem to be so much pressure on providers (hospitals and physicians)? What has led to this state of affairs? What should be our response? Briefing #3: Excessive Pressure on Hospitals and Physicians Healthcare is one of the most fast-paced‚ constantly changing industries to date. America is known globally for its powerful advancement in medical technology as well as its quality care. However‚ pressures such as increasing patient safety issues‚ inefficient approaches to delivery
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increases to 4.6 ml. What is the new pressure? A.0.68 atm B.615 atm C.63.6 atm Correct D.1.5 atm E.none of the above Answer Key: D Question 2 of 12 4.0/ 4.0 Points What is the molar volume of a gas at STP. Correct A.22.4 L B.16.0 L C.2.00 L D.6.02 L E.Not enough information to answer the question. Answer Key: A Question 3 of 12 4.0/ 4.0 Points What is the equivalent pressure of 3.54 atm in units of mm Hg? A.840
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atoms or molecules The gas particles are in constant random motion Kinetic energy is transferred between particles as they collide Pressure The force exerted per unit of area Formula: pressure/force area Measured by barometer A vacuum is empty space‚ with no particles or pressure. Atmospheric pressure is the collision air particles with objects Units of pressure Kilopascals (kPa) Atmospheres (atm) Millimeters of mercury (mmHg) Temperature What happens to the motion of gas molecules if the
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