Scott Oosterom x99ezl at
Sun Oct 24 13:16:04 EST 1999

The rate of diffusion is increased as temperatur is increased and visa
versa. As for the MW. The larger the molecules, the slower the diffusion
would take place.For example, a gas such as Helium (AW of 4.002) will
diffuse much more quickly into an open room with little or no Helium. On the
other hand Radon gas (AW of 222.013) which is very heavy with take a lot
longer to diffuse into the same open space as the helium. Though it takes
longer, it will eventually reach equilibrium.
    Hope that helps.


mystaklas at wrote:

> What is the effect that temperature and molecular weight has on the rate
> of diffusion?
> Sent via
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