Mixtures of Helium and Oxygen Are Used in Scuba Diving

question 24

Multiple Choice

Mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends, which is a condition caused by nitrogen bubbles forming in the bloodstream. If 75 L of oxygen and 25 L of helium at STP are pumped into a scuba tank with a volume of 8.0 L, what is the partial pressure of oxygen in the tank?

• A)3.1 atm
• B)9.4 atm
• C)12.5 atm
• D)15.6 atm
• E)18.8 atm

---

Definitions:

Strategies

Plans or methods developed to achieve a goal or solve a problem.

Nash Equilibrium

A concept within game theory where no participant can gain by unilaterally changing their strategy if the strategies of the others remain unchanged.

Optimal Strategy

The best or most efficient course of action to achieve a specific goal or maximize a particular set of outcomes under given conditions.

Nash Equilibrium

A concept in game theory where no player can benefit by changing strategies if the other players keep their strategies unchanged.