An Ideal Isothermal Gas Is in a Horizontal Container

question 35

Multiple Choice

An ideal isothermal gas is in a horizontal container. From an equilibrium position, it is compressed by a piston. Which of these statements best describes the behaviour of the piston once it is released to move freely?

• A)The piston restores directly to the equilibrium position.
• B)The piston is held in the same position by the atmospheric pressure acting on the outside.
• C)The piston oscillates around the equilibrium position.
• D)The gas responds by ejecting the piston.

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