Consider the four gases CO2, N2, CCl4, and He. Which is the correct order of increasing average molecular speed at 100 ºC? | Gases

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Question

Consider the four gases CO₂, N₂, CCl₄, and He. Which is the correct order of increasing average molecular speed at 100 ºC?

He < N₂ < CO₂ < CCl₄

CCl₄ < CO₂ < N₂ < He

✓ Correct

He < CO₂ < N₂ < CCl₄

CCl₄ < N₂ < CO₂ < He

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