Calculate the Root-Mean-Square Velocity for the O₂ Molecules in a Sample

question 48

Multiple Choice

Calculate the root-mean-square velocity for the O₂ molecules in a sample of O₂ gas at 20.9°C.(R = 8.3145 J/K⋅mol)

• A) 15.14 m/s
• B) 127.6 m/s
• C) 276.3 m/s
• D) 478.6 m/s
• E) 9.115 × 10²⁶ m/s

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