Arrange the Following Gases in Order of Increasing Average Molecular

question 28

Multiple Choice

Arrange the following gases in order of increasing average molecular speed at 25 °C.

• A) CO₂ < N₂ < O₂ < He
• B) He < N₂ < O₂ < CO₂
• C) CO₂ < O₂ < N₂ < He
• D) CO₂ < He < N₂ < O₂
• E) He < O₂ < N₂ < CO₂

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