During inhalation, a person's diaphragm and intercostal muscles contract, expanding the chest cavity and lowering the internal air pressure below ambient so that air flows in through the mouth and nose to the lungs. Suppose a person's lungs hold 1240 mL of air at a pressure of 1.00 atm. If they expand their chest cavity by 410 mL while keeping their nose and mouth closed so that no air is inhaled, what will be the air pressure in their lungs in atm? Assume the air temperature remains constant. HINT atm

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During inhalation, a person's diaphragm and intercostal muscles contract, expanding the chest cavity and lowering the internal air pressure below ambient so that air flows in through the mouth and nose to the lungs. Suppose a person's lungs
hold 1240 mL of air at a pressure of 1.00 atm. If they expand their chest cavity by 410 mL while keeping their nose and mouth closed so that no air is inhaled, what will be the air pressure in their lungs in atm? Assume the air temperature remains
constant.
HINT
atm
Transcribed Image Text:During inhalation, a person's diaphragm and intercostal muscles contract, expanding the chest cavity and lowering the internal air pressure below ambient so that air flows in through the mouth and nose to the lungs. Suppose a person's lungs hold 1240 mL of air at a pressure of 1.00 atm. If they expand their chest cavity by 410 mL while keeping their nose and mouth closed so that no air is inhaled, what will be the air pressure in their lungs in atm? Assume the air temperature remains constant. HINT atm
Gas is confined in a tank at a pressure of 12.0 atm and a temperature of 20.0°C. If two-thirds of the gas is withdrawn and the temperature is raised to 83.0°C, what is the pressure of the gas remaining in the tank?
atm
Transcribed Image Text:Gas is confined in a tank at a pressure of 12.0 atm and a temperature of 20.0°C. If two-thirds of the gas is withdrawn and the temperature is raised to 83.0°C, what is the pressure of the gas remaining in the tank? atm
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