A 30-L Sample of Helium Was Placed in a Container Fitted

question 68

Multiple Choice

A 3.0-L sample of helium was placed in a container fitted with a porous membrane. Half of the helium effused through the membrane in 24 hours. A 3.0-L sample of oxygen was placed in an identical container. How many hours will it take for half of the oxygen to effuse through the membrane?

• A)8.5 h
• B)12 h
• C)48 h
• D)60. h
• E)68 h

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Definitions:

Incongruence

A psychological state characterized by a discrepancy between an individual's self-perception and their actual experience, leading to discomfort and anxiety.

Self-Concept

An individual’s understanding and evaluation of their own behaviors, attributes, and attitudes, which forms a coherent picture of who they are.

Actual Experience

The direct and personal involvement or participation in events or activities.

Conditional Affection

Conditional affection is an emotional response or feeling of love that is dependent on the other person meeting certain conditions or expectations.