Heat Is Added to a 1

question 22

Multiple Choice

Heat is added to a 1.0-kg solid sample of a material at -200 °C. The figure shows the temperature of the material as a function of the heat added.
-What is the latent heat of fusion of this material?

• A)50 cal/g
• B)100 cal/g
• C)150 cal/g
• D)300 cal/g
• E)450 cal/g

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Definitions:

Amygdala

A structure within the brain that is involved in processing emotions, particularly fear and pleasure, and plays a key role in memory, decision-making, and emotional reactions.

Medial Forebrain Bundle

A neural pathway in the brain involving the transmission of dopamine and implicated in the regulation of pleasure and reward.

Reticular Formation

The reticular formation is a complex network of nerve pathways in the brainstem involved in consciousness, sleep-wake cycles, and mediating overall levels of arousal.

Corpus Callosum

A substantial group of nerve fibers that links the two brain halves, enabling communication between them.