The pressure of the isolated CO2 is 2.13 atm and the volume is 1.50 L. The press

Question

The pressure of the isolated CO2 is 2.13 atm and the volume is 1.50 L. The pressure of the isolated H2 is 0.861 atm and the volume is 1.00 L. The pressure of the isolated Ar is 1.15 atm and the volume is 2.00 L. Assume the tubing connecting the flasks has zero volume and that the temperature remains constant. What is thte pressure of the system after the stopcocks are opened? liters. The partial pressure of the The total volume of the system is Co2 is atm. The partial pressure of the Aris ( atm. The partial pressure of the H2 is atm. The final pressure of the system is atm. (3 s.f.)

Explanation / Answer

1. The total volume of the system is 1.5 + 1 + 2 = 4.5 L

2. The partial pressure of CO2 = (1.5 L/4.5 L) * 2.13 atm = 0.710 atm.

3. The partial pressure of H2 = (1 L/4.5 L) * 0.861 atm = 0.191 atm.

4. The partial pressure of Ar = (2 L/4.5 L) * 1.15 atm = 0.511 atm.

5. The final pressure of the system = 0.710 + 0.191 + 0.51 = 1.412 atm.

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