Breathing Exam Questions with Correct Answers
Question 1:
Boyle's Law proportional
Answer:
At constant temperature, the pressure and the volume of a gas are inversely Pv=nRT
Question 2:
Dalton's Law
Answer:
The total pressure of a mixture of gases is the sum of partial pressures exerted by each gas in
the mixture
Question 3:
Henry's Law
proportional to its partial pressure
-pressure is doubled
Answer:
When the temperature is constant, the concentration of a gas in a liquid is
-gas dissolved in liquid is also doubled
Question 4:
Atmospheric Air Composition
Answer:
79% Nitrogen, 21% Oxygen, trace amounts of
helium, argon, and other gases, water depending on humidity
Question 5:
Solubility of Gases in Liquids
Answer:
gas molecules dissolve in liquid until the system reaches equilibrium, then gas molecules
dissolve in the liquid