To what temperature (in oC) must He atoms be equilibrated sothat they have the s

Question

To what temperature (in oC) must He atoms be equilibrated sothat they have the same crms as oxygen gas at 263oC. I am confused about what Crms stands for as I don't recall ususing this term in class. Any help would be appreciated. I willrate lifesaver. To what temperature (in oC) must He atoms be equilibrated sothat they have the same crms as oxygen gas at 263oC. I am confused about what Crms stands for as I don't recall ususing this term in class. Any help would be appreciated. I willrate lifesaver.

Explanation / Answer

We Know that :       According to R.M.S Velocity ofthe gases :                  VR.M.S   = 3 R T / M                                 = 1.58 x 104 x T / M                                  = 1.58 x 104 x 536 / 4                                   = 18.289 x 104 cm / sec.                    18.289 x 104 cm / sec = 1.58 x104 T / 32                          T = 4288 K                               = 4015 0  C   

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