The Figure Shows a Graph of the Temperature of a Pure

question 82

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

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Definitions:

Depressive Disorder

A mental health condition characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.

Behavior Genetics

The study of how genetic and environmental factors influence behaviors, emphasizing the interplay between genetics, environment, and individual differences.

Polygenic Processes

Involving or determined by several different genes, affecting the inheritance and variation of certain traits or disorders.

Heritability

A measure of how much of the variation in a trait within a population is due to genetic differences among individuals in that population.