The Root-Mean-Square Speed (Thermal Speed)of a Certain Sample of Carbon

question 50

Multiple Choice

The root-mean-square speed (thermal speed) of a certain sample of carbon dioxide molecules,with a molecular weight of 44 g/mol,is 396 m/s.What is the root-mean-square speed (thermal speed) of water vapor molecules,with a molecular weight of 18 g/mol,at the same temperature?

• A) 253 m/s
• B) 396 m/s
• C) 421 m/s
• D) 506 m/s
• E) 619 m/s

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Definitions:

Episodic Memory

An enduring memory category that entails remembering distinct occurrences, scenarios, and life experiences.

Short-Term Memory

A type of memory that holds a small amount of information in an active, readily available state for a short period of time.

Nondeclarative Memory

A type of memory expressed through performance rather than conscious recollection, including skills, habits, and conditioned responses.

Encoding Specificity

The tendency for memory of information to be improved if related information (such as surroundings or physiological state) that is available when the memory is first formed is also available when the memory is being retrieved.