At the Triple Point of a Substance

question 26

Multiple Choice

At the triple point of a substance,

• A)three phases are present in equilibrium.
• B)the solid completely sublimes.
• C)the gas completely condenses to a liquid.
• D)only the solid and liquid are in equilibrium.
• E)only one phase appears to be present.

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Definitions:

Nervous System

A complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body.

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Psychophysics

The study of relationships between the physical characteristics of stimuli, such as their intensity, and our psychological experience of them.

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A measure of how people evaluate their lives as whole, based on their own standards and expectations.