For H₃PO₄, K_a1 = 7

question 130

Multiple Choice

For H₃PO₄, K_a1 = 7.3 × 10^-3, K_a2 = 6.2 × 10^-6, and K_a3 = 4.8 × 10^-13. A 0.10 M aqueous solution of NaH₂PO₄ therefore would be ________.

• A) neutral
• B) weakly basic
• C) weakly acidic
• D) strongly acidic
• E) strongly basic

Describe the paradox of REM sleep and its characteristics.

Understand how sleep deprivation affects specific stages of sleep.

Knowledge of common sleep disorders and their treatments.

Understand the role of sleep in memory consolidation and creative insights.

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Definitions:

Super-Ego

The strict and demanding part of the mind.

Ego

In psychoanalytic theory, it represents the part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.

Unconscious Mind

Refers to the part of the mind that is not currently in focal awareness, containing thoughts, memories, and desires that are not readily accessible but influence behavior.

Pleasure Principle

A concept in psychoanalytic theory that describes the instinctual seeking of pleasure and avoiding of pain to satisfy biological and psychological needs.