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madmar
madmar
15.04.2020 • 
Chemistry

Equimolar samples of two gases inside a container fitted with a removable barrier are placed so that each gas occupies the same volume. The barrier is carefully removed as the temperature is held constant. The gases are mixed soon after the barrier is removed.
Which statement describes the changes to the initial pressure of each gas and the final partial pressure of each gas in the mixture and also indicates the final total pressure?

A) the partial pressure of each gas in the mixture is double its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.
B) the partial pressure of each gas in the mixture is double its initial pressure; the final total pressure is twice the sum of the initial pressures of the two gases.
C) the partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is half the sum of the initial pressures of the two gases.
D) the partial pressure of each gas in the mixture is half its initial pressure; the final total pressure is the same as the sum of the initial pressures of the two gases.

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