Total lung capacity of a typical adult is approximately 5.0{\rm l}. approximately 20 \% of the air is oxygen, as air is 20\% oxygen. at sea level and at anaverage body temperature of 37 ^\circ {\rm c}, how many moles ofoxygen do the lungs contain at the end of an inflation?

Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Humidity is to blame for that muggy, steamy feeling you experience on some hot summer days. what gas in the atmosphere causes humidity? a) oxygen b) hydrogen c) nitrogen d) water vapor