Which Set of Gases Is Listed from Lowest to Highest

question 84

Multiple Choice

Which set of gases is listed from lowest to highest root-mean-square speed at 25C?

• A)Kr CO₂ NO₂ SF₆
• B)SF₆ NO₂ CO₂ Kr
• C)SF₆ Kr  CO₂ NO₂
• D)SF₆ Kr NO₂ CO₂
• E)CO₂ NO₂ Kr SF₆

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