Which Gas Is Least Dense at 1 Atm and 25 ^$\circ$

question 202

Multiple Choice

Which gas is least dense at 1 atm and 25 ^$\circ$ C?

• A) Hydrogen cyanide
• B) Hydrogen sulfide
• C) Carbon dioxide
• D) Nitrogen
• E) Ammonia

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Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after association with an unconditioned stimulus, elicits a conditioned response.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any need for learning.

Unconditional Positive Regard

A concept in psychology emphasizing the acceptance and support of a person regardless of what the person says or does, especially in the context of client-centered therapy.

Client-Centered Therapy

A form of psychotherapy developed by Carl Rogers that emphasizes the therapeutic relationship and the client's capacity for self-directed growth.