Moles are the ratio of the mass and the molar mass of the substance given and is estimated in mol. The moles that the lungs contain when it is full is 0.12 moles.
<h3>What is the relation of the volume and moles?</h3>
Moles of the substances are directly proportional to the volume of the substance and can be shown as,

Here,
Initial volume
= 2.9 L
Final volume
= 1.2 L
Initial moles = 
Final moles
= 0.049 mol
Substituting values in the equation:

Therefore, the number of moles in the lungs are 0.12 moles.
Learn more about moles and volumes here:
brainly.com/question/13909347
Answer:
monoxide
dioxide
trioxide
tetroxide
pentoxide
hexoxide
heptoxide
octoxide
nonoxide
Explanation:
Just the way it is. If there is an -a or -o infront of the oxide(or another substance that starts with vowel), the a is often dropped.
iodine which should appear before tellurium and argon which should appear after potassium
There is a 3rd one: nickel should appear before cobalt
Answer:
As blood travels through the body, oxygen is used up, and the blood becomes oxygen poor. Oxygen-poor blood returns from the body to the heart through the superior vena cava (SVC) and inferior vena cava (IVC), the two main veins that bring blood back to the heart.
Explanation:
The function does residual Co2 plays big part and in
maintaining the body’s homeostasis. The addition of respiratory to reserve
volume or residual volume. The lung is
the one that who protect the organs, so in exchange of oxygen and carbon
dioxide.