At what temperature will oxygen molecules have same rms speed as heliu

1.	At what temperature will oxygen molecules have same rms speed as helium molecules at S. T. P
Answer» 300 KThe TEMPERATURE at which oxygen molecules have the same root mean SQUARE speed as helium atoms have at 300 K is: (ATOMIC masses : He=4u,O=16u)

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At what temperature will oxygen molecules have same rms speed as helium molecules at S. T. P​

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At what temperature will oxygen molecules have same rms speed as helium molecules at S. T. P