A. What is the pressure, in kPa, of 420 mm Hg?
B. What is the volume of 1.75 mol of neon at STP?
C. A breathing mixture used by deep sea divers contains helium, oxygen, and carbon dioxide. What is the partial pressure of oxygen in this mixture with a total pressure of 101.3 kPa if PHe = 84.0 kPa and PCO2 = 0.10 kPa?