He and O₂ Gases Are Mixed at a Scuba Diving

question 139

Short Answer

He and O₂ gases are mixed at a scuba diving store.A 40.0 L He cylinder at 10.0 atm pressure is connected to a 10.0 L O₂ cylinder at 5.0 atm pressure.The valve between them is opened and the gases completely mix.The final pressure is _______ and the mole fraction of O₂ is _______.

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