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Interpretation:
The simpler
Concept Introduction:
Boyle’s law tells that the volume of a fixed amount of a gas (the number of moles) is inversely proportional to the pressure that applied to the gas at constant temperature.
The mathematical expression for Boyle’s law at constant temperature and amount of gas can be represented as follows,
Combined gas law tells that the Kelvin temperature of gas is directly proportional to the pressure and volume of a fixed amount of gas. The mathematical expression for combined gas law can be represented as follows,
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Chapter 7 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- A bicycle pump contains 0.682 liters of air at 99.3 kpa . If the handle is pressed down decreasing the volume of the inside air to 0.151 L, what is the pressure inside the pump ? Assume temperature is constantarrow_forwardUsing the full and simplified versions of the alveolar gas equation, determine the partial pressure of carbon dioxide in the alveoli for an oxygen partial pressure of 160 mm Hg in the alveoli, a total pressure of 810 mm Hg, a partial pressure of oxygen in the surrounding air of 204 mm Hg, and a respiratory exchange ratio of 0.8. And provide one reason why this equation is essential for clinicians in a hospital setting. In your answer, comment on calculation/computation compared to accurately measure this value inside an individual alveoli.arrow_forwardThe partial pressure of a gas is dependent upon what two factors?arrow_forward
- The atmospheric pressure on the top of Mt. Everest, an altitude of 29,035 ft, is only 259.9 mm Hg. What is the partial pressure of oxygen in the lungs at this altitude (assuming that the % O2 is the same as in dry air, 20.88%)? Report the pressure to the tenths of a mm Hg without units.arrow_forward(a) What is the specific volume of a gas at 1 250 kPaa and 33 C when its density is 0.715 kg/m3 at 101.325 kPaa and 0 C. [3 decimal places] (b) Calculate its gas constant and approximate molecular weight. [whole number]arrow_forwardWhat is the partial pressure of a gas?arrow_forward
- If 18.0 g of O2 gas has a temperature of 350 K and a pressure of 550 mmHg, what is its volume?arrow_forwardAccording to Dalton’s law, what is the partial pressure of amixture of gases? What is water vapor pressure?arrow_forwardAn average adult inhales a volume of 0.50 X 10-3 m3 of air with each breath. If the air is warmed from room temperature (20 °C = 293 K) to body temperature (37 °C = 310 K) while in the lungs, what is the volume of the air exhaled?arrow_forward
- How many moles of air are in the lungs of an average person with a total lung capacity of 3.8 L? Assume that the person is at 1.0 atm pressure and has a normal body temperature of 37 °C.arrow_forwardUsing the information below, calculate the Oxygen Diffusion Driving Force (mmHg), which is the pressure gradient that drives O₂ out of the alveoli and into the blood (calculated as PAO₂- PVO₂): Barometric Pressure at Salt Lake City, UT= 4,226 ft. (1,288 m)→→ 657 mmHg . Estimated mixed-venous PO2 of blood returning to the lungs after leaving the muscle (PvO₂) at rest, measured at Salt Lake City, UT: PvO2 = 36 mmHg O 90 mmHg O 54 mmHg O 36 mmHg O 29 mmHgarrow_forwardA typical room is 4.0 m long, 5.0 m wide, and 2.5 m high. What is the total mass of the oxygen in the room assuming that the gas in the room is at STP and that air contains 21% oxygen and 79% nitrogen?arrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
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