Two Containers of Equal Volume Are Connected by a Stopcock

question 36

Multiple Choice

Two containers of equal volume are connected by a stopcock as shown above. One container is filled with a gas at a pressure of 1 atm and temperature of 293 K while the other container is evacuated so that it is under vacuum. The containers are thermally isolated from the surroundings so no heat enters or escapes from the system. The stopcock is then opened allowing the gas from one container to fill the other. What is the final temperature of the gas after it has come to equilibrium?

• A) 136.5 K
• B) 273 K
• C) 293 K
• D) 195 K
• E) undetermined

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Definitions:

Polygamous

A mating system in which an individual has multiple partners during one breeding season or throughout their lifetime.

Monogamous

A relationship style or system where an individual has only one partner during their lifetime or at any one time.

Psychological Traits

Enduring characteristics or behaviors that are consistent across different situations and over time.

Physical Traits

Observable characteristics of an individual's body, such as height, hair color, and facial features.