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:

Olfactory Stimulus

Any object or substance that triggers a response from the olfactory system, related to the sense of smell.

Amygdala

A section of the brain that is involved in emotions, emotional behavior, and motivation.

Thalamus

A structure in the brain located above the brainstem that acts as a relay station for sensory information, directing it to the appropriate areas of the brain for processing.

Conduction Hearing Impairment

A type of hearing loss caused by problems in the ear canal, eardrum, or middle ear that disrupt sound waves' path to the inner ear.