Velocities of gas particles at different temperatures

Chemistry Level 2

Given a sample of Hydrogen gas at 0 degrees Celcius and a sample of Helium gas at approximately 273.15 degrees Celcius, what is the approximate ratio of the velocity of the Helium atoms to that of the Hydrogen molecules.

Substances do not exist in gaseous form at absolute zero, and thus this situation is not possible. 2:1 1:1 1:2

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