Barbiturates Are Synthetic Drugs Used as Sedatives and Hypnotics

question 100

Multiple Choice

Barbiturates are synthetic drugs used as sedatives and hypnotics. Barbital (184.2 g/mol) is one of the simplest of these drugs. What is the boiling point of a solution prepared by dissolving 42.5 g of barbital in 825 g of acetic acid? (For pure acetic acid, K_b = 3.07°C/m; boiling point of pure acetic acid = 117.9°C)

• A) 117.0°C
• B) 117.7°C
• C) 118.1°C
• D) 118.8°C
• E) 120.4°C

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Definitions:

Episodic

Related to or occurring in distinct periods or episodes; often used in the context of memory as episodic memory, which pertains to the recollection of specific life events.

Semantic

Relating to meaning in language or logic, especially the meanings of words and symbols.

Implicit

Unconscious or automatic influences on behaviors, thoughts, or feelings that occur without conscious awareness.

Long-Term Memory

A type of storage in the brain capable of holding information for an extended period, potentially for a lifetime.