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14. Show that rms velocity of an oxygen molecule is v2 times that of a sulfur dioxide molecule at S.T.P.15. At what temperature will oxygen

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14. Show that rms velocity of an oxygen molecule is v2 times that of a sulfur dioxide molecule at S.T.P.15. At what temperature will oxygen molecules have same rms speed as helium molecules at S.T.P.? (Molecular masses of oxygen and helium are 32 and 4 respectively) [Ans: 2184 K]

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