Dalton’S Law Of Partial Pressure

Dalton’s Law of Partial Pressure Dalton’s Law of partial pressure : The total pressure of a mixture of non-reacting gases in a system is the sum of their partial pressure. P Total = P 1 + P 2 + P 3 +P 4 + …….+P n Partial pressure of a component : The pressure that would be exert if it were present alone and occupied the same volume as in the mixture. If a container with a volume of V, having three type of gases X, Y, Z will exert partial pressure of P x , P y , P z on the wall.

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A mixture of gases at 800 torr contain 20% nitrogen, 10% hydrogen, 50% oxygen and 20% CO 2 by volume. What is partial pressure of each gas in torr ? (Assume that the total volume of the mixture is 100 dm 3 .) ,[object Object],Ouestion 1

The Molecular Behavior of Gases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Relationship of the Gas laws to the Kinetic Molecular Theory of Gases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Maxwell-Boltzmann Distribution ,[object Object],[object Object]

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Real Gases – Deviation from Ideality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Deviation from ideal Behavior ,[object Object],[object Object],PV/RT 1.0 P N 2 O 2 H 2 Ideal gas NH 3 For ideal gas = PV/RT = n = 1 (dotted line).

Van der Waals equation ,[object Object],[object Object],[object Object]

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Ouestion 2 ,[object Object],[object Object],[object Object],[object Object]

Dalton’S Law Of Partial Pressure

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Dalton’S Law Of Partial Pressure