The Rms Speed of a Certain Sample of Carbon Dioxide

question 82

Multiple Choice

The rms speed of a certain sample of carbon dioxide molecules,with a molecular weight of 44.0 g/mole,is 396 m/s.What is the rms speed of water vapor molecules,with a molecular weight of 18.0 g/mol,at the same temperature as the carbon dioxide?

• A)253 m/s
• B)387 m/s
• C)421 m/s
• D)506 m/s
• E)619 m/s

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