Three gases, nitrogen, helium, and krypton are confined in a 10.0 L vessel at a

Question

Three gases, nitrogen, helium, and krypton are confined in a 10.0 L vessel at a pressure of 6.00 atm. The vessel contains 5.00 moles of nitrogen, 4.00 moles of helium, and 3.00 moles of krypton. What is the partial pressure of nitrogen? Partial pressure of nitrogen atm Now suppose that 6.00 moles of oxygen are added to the vessel without changing the volume or temperature. What is the partial pressure of nitrogen now? Partial pressure of nitrogen after addition of oxygen atm Now suppose that an additional 4.00 moles of nitrogen are added to the vessel, again without any change in the volume or the temperature. What is the partial pressure of nitrogen now? Partial pressure of nitrogen after addition of 4.00 more moles of nitrogen atm

Explanation / Answer

partial pr of N = 5/12 *6 =2.5 atm after adding oxygen new total pr = 18*6/12 = 9atm pr of N = 5*9/18 = 2.5atm after addition of nitrogen new total pr = (18+4)*6/12 = 11atm pr of N = 9*11/22 = 4.5 atm

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