A 400-L Container Is Divided into Two Equal Parts by a a Rubber

question 48

Multiple Choice

A 40.0-L container is divided into two equal parts by a rubber membrane. One half of the container has 1.50 moles of an ideal monatomic gas at 250 K, and the other half is a vacuum. The container is well insulated, so there is no exchange of heat with the surroundings. The membrane breaks, and eventually the gas reaches a new equilibrium condition occupying the entire volume. What is the final temperature of the gas?

• A) 100 K
• B) 125 K
• C) 157 K
• D) 180 K
• E) 250 K

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Substances in the air that can cause harm to humans and the environment.