The Figure Shows a Graph of the Temperature of a Pure

question 138

Multiple Choice

The figure shows a graph of the temperature of a pure substance as a function of time as heat is added to it at a constant rate in a closed container. If L_F is the latent heat of fusion of this substance and L_V is its latent heat of vaporization, what is the value of the ratio L_V/L_F?

• A)5.0
• B)4.5
• C)7.2
• D)3.5
• E)1.5

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Definitions:

Relative-price Variability

The fluctuation and differences in price levels of goods and services relative to each other over time.

Efficiently Allocate

The process of distributing resources in a manner that maximizes the effectiveness or utility of their use.

Monetary Neutrality

The economic theory that changes in the money supply only affect nominal variables and have no effect on real variables such as output or unemployment in the long run.

Fisher Effect

An economic theory proposing that the real interest rate is independent of monetary measures, specifically that the nominal interest rate adjusts to expected inflation.