Other Definitions
effusion (dict)
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EffusionIn literature, effusion is the process of "opening the flood gates" to one's emotions, so to speak. In chemistry, effusion is the process where individual particles flow through a hole so tiny they must go one at a time. In this condition the diameter of the hole should be considerably smaller than the mean free path of the particles. Gases effuse, the rate at which they do so is dependent on their atomic radius. Gases composed of large particles effuse slower than gases composed of small particles. This is why a balloon filled full of the small diatomic molecule hydrogen will deflate, if left alone for a reasonable amount of time, faster than one of the larger diatomic molecule oxygen. In music, Effusion a cappella is the name of an a cappella group at McGill University in Montreal, Canada blending the sounds of gospel and hip-hop. See also diffusion. External links This is an external link to grahams law which provides more explanation about effusion. Note: this external link provides other or more information than the wikipage about Graham's law.
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