Which of These Gases (He, N₂O, N₂) Has the Same

question 127

Multiple Choice

Which of these gases (He, N₂O, N₂) has the same root-mean-square speed at 25C as CO₂?

• A)He
• B)N₂O
• C)N₂
• D)They are all the same as CO₂.
• E)They are all different from CO₂.

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