effusion

Effusion of methane

Methane gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.

Effusion of nitrogen

Nitrogen gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.

Effusion of oxygen

Oxygen gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.

Effusion of carbon dioxide

Carbon dioxide gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.

Effusion of helium

Helium gas effuses through a porous cup, demonstrating the effect of the size and mass of molecules.