A chemical formula which gives the composition of elements in a molecule in their lowest relative proportions but does not specify the structural arrangement or true molecular weight (Ex.: CH for benzene or acetylene)
Webster's New World
Other Word Forms of Empirical Formula
Empirical Formula Sentence Examples
The smallest empirical formula for cellulose (q.v.) may certainly be written C6H1005.
In any region of velocity where it is possible to represent p with sufficient accuracy by an empirical formula composed of a single power of v, say v m, the integration can be effected which replaces the summation in (to), (16), and (24); and from an analysis of the Krupp experiments Colonel Zabudski found the most appropriate index m in a region of velocity as given in the following table, and the corresponding value of gp, denoted by f (v)or v m lk or its equivalent Cr, where r is the retardation.
Three acids of this empirical formula are known, viz.
This is used as the sulphate, which has the empirical formula of (C15H21N302)2, H 2 SO 4, plus an unknown number of molecules of water.
It was employed as a purely empirical formula by Bertrand and Barus, who calculated the values of the coefficients for several substances, so as to obtain the best general agreement with the results of observation over a wide range, at high as well as low pressures.