In Liquids,the Attractive Intermolecular Forces Are ________

question 54

Multiple Choice

In liquids,the attractive intermolecular forces are ________.

• A)very weak compared with kinetic energies of the molecules
• B)strong enough to hold molecules relatively close together
• C)strong enough to keep the molecules confined to vibrating about their fixed lattice points
• D)not strong enough to keep molecules from moving past each other
• E)strong enough to hold molecules relatively close together but not strong enough to keep molecules from moving past each other

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Definitions:

Slow-wave Sleep

a phase of deep sleep, characterized by slow brain waves, that is important for restoring the body and brain, and consolidating new memories.

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A sleep disorder characterized by the acting out of dreams during the REM phase of sleep, often resulting in disruptive or violent behaviors.

Psychological Problems

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A sleep disorder causing feelings of terror or dread, and is often accompanied by screaming, flailing, and sleepwalking, without the clear dreams of nightmares.