Lowell, Percival, 1855-1916 · New York, The Macmillan Company · leaf 270
termining the density of a gas at a given tem-perature and under a given pressure, we can find by thestatistical method the average speed of its molecules.It depends on the most probable distribution of theirenergy. For hydrogen at the temperature of melting DEATH OF A WORLD 229 ice, and under… … Distribution of molecular velocities in a gas. at speeds much above the mean; fewer and fewer asthe speed gets higher. Just how many there are forany assigned speed, we can calculate by the same in-genious application of unknown quantities. These speeds have been found for a temperature offreezing,…
Cosmogony
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