Molecular Speeds: the Root-Mean-Square Speed (Thermal Speed) of a Certain

question 119

Multiple Choice

Molecular speeds: 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:

Compensatory Approach

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Predictors

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Performing Well

Relates to the achievement of high levels of productivity, efficiency, and quality in work or task execution.

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The process of analyzing biological samples to detect the presence of illegal drugs or prescribed medications within an individual's system, often used for employment or safety reasons.