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:

Credited

A term used in accounting to denote an increase in liabilities or equity accounts, or a decrease in assets or expense accounts.

Financial Assets

Assets that derive value from a contractual claim, such as cash, stocks, bonds, and bank deposits.

Bad Debts Expense

An expense reported on the income statement, representing the estimate of receivables that are not expected to be collected.