Diet Cola Drinks Have a PH of About 3

question 140

Multiple Choice

Diet cola drinks have a pH of about 3.0, while milk has a pH of about 7.0. How many times greater is the H₃O⁺ concentration in diet cola than in milk

• A) 2.3 times higher in diet cola than in milk
• B) 400 times higher in diet cola than in milk
• C) 0.43 times higher in diet cola than in milk
• D) 1,000 times higher in diet cola than in milk
• E) 10,000 times higher in diet cola than in milk

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Definitions:

GABA

A neurotransmitter in the brain that plays a key role in regulating nerve cell activity and is involved in reducing excitability and promoting relaxation.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Theoretical Position

A conceptual framework or approach within which a scientist operates, outlining the assumptions, principles, and methods pertaining to a particular field of study.

Phobias

Intense, irrational fears of specific objects, situations, or activities that lead to avoidance behavior.