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    Behavior of Gases

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    the Boyle’s law (pressure-volume law) indicates that the volume of a certain amount of gas given held at a constant temperature differentiates inversely with the applied pressure when there are constant temperature and mass. Equations: PV=C. When pressure goes up‚ volume goes down (derived from the equation above): P1V1 = P2V2 = P3V3. Furthermore‚ this particular equation dictates that the product of the initial volume and pressure is equal to the product of the volume and pressure after a change under

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    poem

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    transmission of fluid-pressure is a principle in fluid mechanics that states that pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid such that the pressure ratio (initial difference) remains the same.[1] The law was established by French mathematician Blaise Pascal.[2] Contents   [hide]  1 Definition 2 Explanation 3 Applications 4 See also 5 References Definition[edit source | editbeta] Pressure in water and air. Pascal’s

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    management skills

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    `A 20cm diameter pipe of length 100m with z = 60m with f = 0.02 and loss of head due to entrance coefficient k = 0.5. What is the flow rate? Solution: Find the width in m of the channel at the back of a suppressed weir using the following data: H = 28.5cm; d = 2.485m; Q = 0.84 cu.m/sec. Consider the velocity of approach and use the Francis formula. Solution: Water flows in a 2m. wide rectangular flume at the rate of 2.75 cu.m./sec

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    Gas Exchange in humans

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    the volume of the thoracic cavity‚ and the intercostal muscles contract‚ which makes the rib cage move upward and forward increasing the volume of the lungs. The increase in pressure inside the lungs makes the air from the atmosphere move into the lungs because air always moves from an area of high pressure to a low pressure area. During expiration‚ the intercostal muscles that lift the rib cage and the diaphragm relax. As a result‚ the rib cage and the diaphragm return to their original positions

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    volume is changed to 6 liters what is the resulting pressure? 2. A sample of gas is confined to 30ml at a pressure of 6 atmospheres. When the pressure is changed to 3liters‚ what is the resulting pressure? 3. A gas occupies 30 L. When the gas is heated from 50C to 100C‚ what is the final volume? 4. In a lab‚ Neon vapor occupied a volume of 1 liter at STP‚ the volume was changed to 4 liter and the temperature climbed to 25C‚ what was the final pressure? 5. Originally a gas occupied 600ml at 22 C what

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    Chem June Exam outline

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    Chemistry June Exam Notes Quantities in Chemical Reactions  Molecular and formula mass o The mass of one unit of a compound (a molecule or a formula unit) o The sum of the mass of all the atoms in a compound o With knowledge of the mass of each individual atom‚ the percentage composition by mass can be determined  The Mole (mol) o A counting unit‚ one mole refers to 6.02 x 1023 particles of any given substance o Known as Avogadro’s Constant and given the symbol NA  Molar Mass o The

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    Properties of Gases

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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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    MECHANICS Ql. (a) Define pressure head‚ velocity head‚ and elevation head for a flurd stream alld express them for a fluid stream whose pressure is p‚ velocity is V‚ and elevation is z. (6 ma*s) (b) Outline three (3) major assumptions used in the dedvation of the Bemoulli equation. (6 marks) (c) A pressurized tank of water has a 10 cm diameter orifice at the boftom‚ where water discharges to the atmosphere. The water level is 2.5 m above the outlet. The rank air pressure above the water level is

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    are large metal objects ; grinding too much pressure ; damage resistant parts ; accumulator charging pressure ranges ; insufficient ventilation wear . In the operation should be strictly controlled within the allowable range of vibration to create the prerequisites for the stable operation. Material thickness : vertical mill Another important factor is the stable operation of the bed stable layer material stability‚ wind‚ air pressure and volume of feed to stabilize ‚ or we need

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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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