Question

« previous | 13 of 19 next» Item 13 Part A How long does it take a person at rest to breathe one mole of air if the person breathes 83.0 mL/s of air that is measured at 25 °C and 755 mmHg? The various gas laws can be used to describe air, which is a mixture of gases. In some cases, these laws have direct application to the air that we breathe. Express your answer numerically in seconds. Submit Hints My Answers Give Up Review Part Part B Typically, when a person coughs, he or she first inhales about 2.40 L of air at 1.00 atm and 25 C. The epiglottis and the vocal cords then shut trapping the air in the lungs, where it is warmed to 37 °C and compressed to a volume of about 1.70 L by the action of the diaphragm and chest muscles. The sudden opening of the epiglottis and vocal cords releases this air explosively. Just prior to this release, what is the approximate pressure of the gas inside the lungs? Express your answer numerically in atmospheres

Answer 1

= 0,083 L/s 298: 15 K 0-083 LS