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:

Psychological Experiments

Research methods in psychology that involve manipulating one variable to determine its effect on another variable.

Generalizability

The extent to which the findings of a study can be applied to other groups, settings, or times, beyond the specific conditions of the original study.

Analogue Methodologies

Research methods that use simulations or approximations of real-world situations to study psychological phenomena.

Disclosure

The act of revealing or making known previously private, secret, or confidential information.