Consider 2.00 L of air in a patients lungs at 37.0 degrees celsius and .800 atm pressure. What volume would this air occupy if it were at 25 degrees celsius and under a pressure of 250 atm?
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Consider 2.00 L of air in a patients lungs at 37.0 degrees celsius and .800 atm pressure. What volume would this air occupy if it were at 25 degrees celsius and under a pressure of 250 atm?
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- high-pressure gas cylinder contains 50.0 L of toxic gas at a pressure of 1.35 × 107 Pa and a temperature of 25.0°C. Its valve leaks after the cylinder is dropped. The cylinder is cooled to dry ice temperature (-78.5°C) to reduce the leak rate and pressure so that it can be safely repaired. A) what is the final pressure, in pascals, in the tank assuming negligible amount of gas leaks while being cooled and that there is no phase change ? B) What is the final pressure in pascals if one tenth of the gas escapes during the process? C) to what tempature in kelvins must tank be cooled from inital state to reduce the pressure to 1.00 atm (assuming the gas does not change phase and there is no leakage during cooling)?Problem 13: A bicycle tire has a pressure of 6.8 × 105 Pa at a temperature of 15°C and contains 2.00 L of gas. What will its pressure be, in pascals, if you let out an amount of air that has a volume of 115 cm3 at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant.The temperature of an ideal gas remains constant while the pressure changes from 103.425 Kpaa to 1034.25 Kpaa. (a) If the initial volume is 0.08 cubic meters, determine the final volume. (b) For 0.77 Kgm of this gas, determine the change in density as a percentage of the initial density.
- A bicycle tire has a pressure of 6.95 × 105 Pa at a temperature of 16°C and contains 2.00 L of gas. a)What will its pressure be, in pascals, if you let out an amount of air that has a volume of 105 cm3 at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant.A bicycle tire has a pressure of 6.75 × 105 Pa at a temperature of 19°C and contains 2.00 L of gas. a) What will its pressure be, in pascals, if you let out an amount of air that has a volume of 110 cm3 at atmospheric pressure and at the temperature of the tire? Assume tire temperature and volume remain constant.A vessel contains an ideal gas with temperature of -15°C, a density of 0.16 kg/m3, and a molecular weight of 4 g/mol. A) What is the pressure of this gas in kPa? B) Its gage pressure? C) If the vessel were punctured which way would gas flow - gas exiting the hole or atmosphere entering the hole? (Ri = 8.314 kg-m2/K-mol-s?)
- A bag of potato chips contains 2.00 L of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0°C. What will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00°C and atmospheric pressure is 70.0 kPa? Assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air. (1 atm = 1.01 × 105 Pa)A bag of potato chips contains 2.00 L of air when it is sealed at sea level at a pressure of 1.00 atm and a temperature of 20.0°C. What will be the volume of the air in the bag if you take it with you, still sealed, to the mountains where the temperature is 7.00°C and atmospheric pressure is 70.0 kPa? Assume that the bag behaves like a balloon and that the air in the bag is in thermal equilibrium with the outside air. (1 atm = 1.01 × 105 Pa) a. 4.13 L b. 1.01 L c. 1.38 L d. 2.76 LThe gauge pressure in your car tires is 2.55 × 105 Pa at a temperature of 35.0°C when you drive it onto a ferry boat to Alaska. What is the gauge pressure of the tires, in pascals, later when the temperature has dropped to -40.0°C? Assume the volume of each tire does not change.
- A vehicle tire is inflated with air initially at 15°C and normal atmospheric pressure. During the process, the air is compressed to 26.5% of its original volume and the temperature is increased to 42.5°C. (a) What is the tire pressure in pascals? (b) After the vehicle is driven at high speed, the tire’s air temperature rises to 81.0°C and the tire’s interior volume increases by 2.1%. What is the new tire pressure (absolute) in pascals?A balloon at ground level containing 82-mol of Helium gas experiences 25 C temperature and atmospheric pressure P0 = 101000 Pa. (a) Find the volume of the balloon at the ground level. (b) If the Helium balloon buoyantly rises to a height where the atmospheric pressure is half of P0 and temperature is -25 C, find the final volume of the balloon.An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, the air is compressed to 27.0% of its original volume and the temperature is increased to 38.0°C. (a) What is the tire pressure in pascals? Use the ideal gas law to find the pressure inside the tire from its volume and temperature. Pa(b) After the car is driven at high speed, the tire's air temperature rises to 85.0°C and the tire's interior volume increases by 3.00%. What is the new tire pressure (absolute) in pascals?