What Is the Coefficient of Phosphorus After Balancing the Following

question 108

Multiple Choice

What is the coefficient of phosphorus after balancing the following equation? __P(s) + __O₂(g) → __P2O5(s)

• A)1
• B)2
• C)4
• D)5
• E)none of the above

---

Definitions:

Residual Volume

The volume of air remaining in the lungs after a forceful expiration, ensuring that gas exchange can continue at all times.

Inspiratory Reserve

The additional amount of air that can be inhaled after a normal inhalation, increasing lung volume.

Expiratory Reserve

The additional amount of air that can be forcefully exhaled after the completion of a normal expiration.

Anaerobic Threshold

The point during exercise at which muscles start to produce lactic acid, leading to fatigue, due to the absence of oxygen.