Scuba Pressure Gauge
Scuba Pressure Gauge
PHYSICS (pressure) toooo HARD!!?
A scuba tank has a volume of 3570 cm3. For very deep dives, the tank is filled with 50 percent (by volume) pure oxygen and 50 percent pure helium. How many oxygen molecules are there in the tank if it is filled at 20oC to a gauge pressure of 12.0 [...]