What Is the Freezing Point of a Solution Prepared from 50.0

question 121

Multiple Choice

What is the freezing point of a solution prepared from 50.0 g ethylene glycol (C₂H₆O₂) and 85.0 g H₂O? (For water, K_f = 1.86°C/m)

• A) 17.6°C
• B) -176°C
• C) -1.50°C
• D) 1.50°C
• E) -17.6°C

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Definitions:

Classical Conditioning

A method of learning where a response initially triggered by a second stimulus is ultimately triggered by the first stimulus alone, due to the consistent pairing of the two stimuli.

Modeling

A psychological process in which individuals learn by observing and imitating the behaviors of others.

Shaping

A process in behavioral psychology where successive approximations of a desired behavior are reinforced until the exact behavior is achieved.

Operant Conditioning

A learning process through which the strength of a behavior is modified by reinforcement or punishment.