31. A container has initial gauge pressure of 0 kPa and air volume of 0.5 m³. When the air volume of the container is reduced to 0.3 m³, the corresponding gauge pressure is (a) 54.22 kPa (b) 67.55 kPa
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Q: 36. Two moles of an ideal gas are placed in a container whose volume is8.5 3 1023 m3 . The absolute…
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A: weight of an automobile, W = 1.02×104 N Number of tires = 4 Air pressure in each tire = 1.82×105 Pa…
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Q: The Earth's atmosphere at sea level and under normal conditions has a pressure of 1.01x105 Pa, which…
A: in this question we use simple pressure formula.
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Q: A vertical piston–cylinder device contains a gas at a pressure of 100 kPa. The piston has a mass of…
A: The total pressure,
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- A container with volume 1.63 L is initially evacuated. Then it is filled with 0.226 g of N2. Assume that the pressure of the gas is low enough for the gas to obey the ideal-gas law to a high degree of accuracy.If the root-mean-square speed of the gas molecules is 192 m/s , what is the pressure of the gas? Express the answer in pascals.A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea level, where dry air contains 20.9% oxygen and has a total pressure of 1.01 ✕ 105 N/m2. (a) What is the partial pressure (in N/m2) of oxygen at sea level? N/m2 (b) If the diver breathes a gas mixture at a pressure of 2.00 ✕ 106 N/m2, what percent oxygen should it be to have the same oxygen partial pressure as at sea level? %A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea level, where dry air contains 20.9% oxygen and has a total pressure of 1.01 ✕ 105 N/m2. a. What is the partial pressure (in N/m2) of oxygen at sea level? b. If the diver breathes a gas mixture at a pressure of 3.00 ✕ 106 N/m2, what percent oxygen should it be to have the same oxygen partial pressure as at sea level?
- A tall graduated cylinder contains 7 cm of oil (density of 825 kg/m3kg/m3) on top of 20 cm of water (density of 1000 kg/m3kg/m3). The cylinder is open to the air. What is the pressure in the water, 3 cm above the bottom of the cylinder? (in Pa) 1.0323×105 1.0335×105 1.0353×105 1.0294×105 1.0157×105An ambu (artificial manual breathing unit) device is connected to a patient. Ambu and lungs of the patient are formed a closed system. The pressure value of the closed system PI = 755mmHg, the initial volume of lungs is VL=5L. The initial volume of ambu is VA=1L. Ambu is manually controlled and when it is squeezed to 50% of its initial volume the lungs volume is increased by AV. AV= 582 mL. What will be pressure value (in terms of mmHg) of the closed system after the ambu is squeezed? (PS=?)A scuba diver is in fresh water has an air tank with a volume of 0.0100 m3. The air in the tank is initially at a pressure of 1.00 × 107 Pa. Assume that the diver breathes 0.500 L/s of air. Density of fresh water is 1.00 × 103 kg/m3. How long will the tank last at depths of 4.10 m?
- A tank contains 4.0m of water and is contaminated with oil (s=0.84). If the pressure at the bottom of the tank is 41 kPa, how thick is the oil in mm?At the surface of a freshwater lake, the pressure is 105 kPa What is the pressure increase in going 42.6 m below the surface? The density of fresh water at 4°C is 1.00 × 103 kg/m3. answer in kPaA tank with a volume of 0.100 m3 contains helium gas at a pressure of 150 atm. How many balloons can the tank fill if each balloon is a ball with a diameter of 0.300 m and a pressure of 1.20 atm?
- 19. The radius of the bronchial tube is decreased by a factor of 4. The velocity of gas through it initially is 1 m/s. What is the velocity in the section of bronchial tube with decreased radius in m/s?An automobile weighing 1.19 x 104 N has weight equally distributed over its wheels. The weight of the car causes each tire to be slightly flattened on the bottom so that there is a surface area in contact with the road. The gauge pressure of the air in the tire is 1.90 x 105 Pa (27.55 lb/in2). Find the area of contact, assuming that the only forces on the section of tire in contact with the road are the air pressure and the normal force exerted by the surface of the road.For the next two items: A playroom has dimensions 3700 mm x 4300 mm x 2500 mm. How much does the air weigh in the room if the air pressure is 1.0 atm? O 402 N 472 N O 390 N 48 N