The Reason That We Can Calculate the Change in Entropy

question 14

Multiple Choice

The reason that we can calculate the change in entropy of a system is that

• A) entropy always decreases.
• B) entropy always increases.
• C) the entropy of the universe always remains constant.
• D) it depends only on the properties of the initial and final equilibrium states.
• E) systems always follow reversible paths.

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Definitions:

Sleep Cycle

A recurring pattern of stages of sleep that occur throughout the night, typically including stages of light sleep, deep sleep, and REM (rapid eye movement) sleep.

Flying East

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State of Consciousness

Refers to the level of awareness of oneself and the environment, including wakefulness, sleep, and altered states such as meditation or intoxication.

Physiological Research

The scientific study of the normal functions and mechanisms occurring in living organisms and their parts.