An Adiabatic Free Expansion of a Gas in a Thermally

question 4

Multiple Choice

An adiabatic free expansion of a gas in a thermally isolated container is not reversible because

• A) work must be done on the gas to return it to its original volume.
• B) heat must be exchanged with the surroundings to return the gas to its original temperature.
• C) its internal energy has a greater value after the expanded gas is returned to its original volume and temperature.
• D) of all of the above.
• E) of (a) and (b) above only.

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Definitions:

Source Amnesia

A memory disorder where an individual can remember certain information but is unable to recall how, when, or where they learned it.

Hypnotic Suggestion

A technique used in hypnosis where a suggestion is made to the individual to trigger a change in perception, cognition, or behavior.

Spacing Effect

A phenomenon where learning is more effective when study sessions are spaced out over time rather than conducted in one single marathon session.

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