Isentropic compression of 0.0283 m³ of air, k = C₂/C = 1.40, at 137.86 kPaa to a pressure of 689.29 kPaa gives a final volume of ....... A. 0.037 m³ B. 0.009 m³ C. 0.006 m³ D. 0.073 m³
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- 8 7. V %24 因/ロ 6) f8 E3 9F f5 SNSV 直。 = d psi (Note the units!) %3D poom surface of the oil. (1 psi = 6.895 kPa) Calculate the gauge pressure in psi at 13.6 cm below the %3D sides, a 2.8-kg wooden disk supports a O.5-kg potato. partially filled with oil of density 0.87 × 103 kg/m³. The figure shows a glass cylinder of radius 6.8 cm, Floating freely on top with no oil leaking around theA helium-filled balloon has volume 3.8_m³, temperature 25.4°C, and pressure 1 atm while at sea level. If the balloon rises to 27000 ft, where the temperature is 3.5°C and the pressure is about 1/3 of its sea-level value, then find the new volume of the balloon. 10.56.m3 20.65_m3 18.71 m3 19.31 m3 А. D. 7.678 m3 20.74 m3 В. Е. С. F.The volume of a gas at 20°C is 100cm3 at normal pressure. If it is heated to 100°C, its volume becomes 125cm3 at the same pressure, then volume coefficients of the gas (at normal pressure) is? a) 0.0033/°C b) 0.0025/°C c) 0.0030/°C d) 0.0021/°C
- An air bubble has a volume of 1.70 cm3 when it is released by a submarine 115 m below the surface of a lake. What is the volume of the bubble when it reaches the surface? Assume the temperature and the number of air molecules in the bubble remain constant during its ascent. ?cm3A hot air balloon uses the principle of buoyancy to create lift. By making the air inside the balloon less dense then the surrounding air, the balloon is able to lift objects many times its own weight. A large hot air balloon has a maximum balloon volume of 2090 m3. a. If the air temperature in the balloon is 54 °C, how much additional mass, in kilograms, can the balloon lift? Assume the molar mass of air is 28.97 g/mol, the air density is 1.20 kg/m3, and the air pressure is 1 atm.25. A movable circular lid rests on top of an a gas-filled a cylinder; the cylinder and lid have a radius of 12.0 cm; the lid has a weight of 800 N. Outside the cylinder is atmospheric pressure, 1.01 x 105 Pa. Inside the cylinder are 6.0 moles of argon gas. The gas temperature is 400 °K. What is the volume of the gas (in cubic meters)? The atomic mass of argon is 39.95. (a) 0.04 (b) 0.21 (c) 0.17 (d) 0.13 (e) none of these osodilo 0 (0) 2 (0) SC on (s)