A 1.0-L container with 1.00 atm Ar gas is connected by a stopcock to a 2.0-L container containing 0. — Gases Chemistry Question
Question
A 1.0-L container with 1.00 atm Ar gas is connected by a stopcock to a 2.0-L container containing 0.5 atm Kr gas. Which statement accurately describes the system after the stopcock is opened and the system is allowed to reach equilibrium? The temperature is 25 °C throughout the experiment.
A.
The total pressure is 1.00 atm.
B.
The number of moles of Ar in the 2.0-L container is equal to the number of moles of Kr in the 1.0-L container.
C.
The average speed of the Ar atoms is equal to the average speed of the Kr atoms.
D.✓ Correct
The partial pressure of Ar is equal to the partial pressure of Kr.
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