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Mixtures of helium and oxygen are used in scuba diving tanks to help prevent "the bends". For a particular dive, 31.4 L of oxygen gas at 25.0°C and 0.850 atm, and 7.80 L of helium gas at 25.0°C and 2.25 atm were pumped into a tank with a volume of 5.59 L at 25 oC.

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Related questions

Mixtures of helium and oxygen are used for scuba diving. For a particular dive, 46 liters of O2 at 25 degrees celsius and 1.0 atm and 12 liters of He at 25 degrees celsius and 1.0 atm are pumped into a tank with a volume of 5.0 liters. Calculate the partial pressure of each gas and the total pressure in the tank at 25 degrees celsius. (Determine moles of each gas first.)

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