Entropy: a Hot Piece of Iron Is Thrown into the Ocean

question 33

Multiple Choice

Entropy: A hot piece of iron is thrown into the ocean and its temperature eventually stabilizes. Which of the following statements concerning this process is correct? (There may be more than one correct choice.)

• A) The entropy lost by the iron is equal to the entropy gained by the ocean.
• B) The entropy gained by the iron is equal to the entropy lost by the ocean.
• C) The change in the entropy of the iron-ocean system is zero.
• D) The ocean gains more entropy than the iron loses.
• E) The ocean gains less entropy than the iron loses.

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Definitions:

Aggregate Demand

The total demand for goods and services within an economy at a given overall price level and in a given time period.

Equilibrium Level

Equilibrium level refers to the state in an economy or market where supply equals demand, so there is no tendency for change.

Disposable Income

Available financial assets to households for investments and outlays after income taxes have been applied.

Government Spending

Expenditures by government bodies on goods and services, including salaries, infrastructure, and welfare programs.