A System That Does No Work but Which Transfers Heat

question 2

Multiple Choice

A system that does no work but which transfers heat to the surroundings has

• A) q < 0,  E > 0.
• B) q < 0,  E < 0.
• C) q > 0,  E > 0.
• D) q > 0,  E < 0.
• E) q < 0,  E = 0.

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Definitions:

Expected Return

The predicted profit or loss from an investment, considering both the likelihood and the impact of various outcomes.

Variance

A measure of the spread between numbers in a data set, showing how far each number in the set is from the mean and thus from every other number in the set.

Recession

A noticeable drop in economic performance affecting the entire economy, enduring longer than several months, usually evident in real GDP, real income, employment, industrial output, and wholesaleretail sales.

Variance

A statistical measurement of the spread between numbers in a data set, indicating how much the numbers differ from the average.