# Tag Info

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### Would a straw work in a completely sealed container?

No. If the air can't get in the container in any way other than the straw than you won't get any water. A tiny amount of water may go up the straw a bit but it wouldn't be a reasonable amount to drink....
In an isothermal atmosphere, the density is given approximately by $$\rho = \rho_0\exp(-\mu gh/k_BT)\ ,$$ where $\mu$ is the mean mass of a particle, $h$ is the height above ground level and $g$ is ...
Yes the air density would decrease. The density is proportinal to $e^{-g*h/T}$ where g is the local force of gravity h is the height and T is the tenperature. Lower gravity gives lower pressure and ...