# Chemistry

Consider separate 1.0-L samples of He (g) and UF6 (g), both at 1.00 atm and containing the same number of moles. What ratio of temperatures for the two samples would produce the same root mean square velocity?
T UF6/T He= x/1.0

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1. I'm sorry but I don't understand the problem. It's the last line I don't get.

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