| 释义 |
empirical formula
empirical formulan. A chemical formula that indicates the relative proportions of the elements in a molecule rather than the actual number of atoms of the elements.empirical formula n 1. (Chemistry) a chemical formula indicating the proportion of each element present in a molecule: C6H12O6 is the molecular formula of sucrose whereas CH2O is its empirical formula. Compare molecular formula, structural formula 2. (General Physics) a formula or expression obtained from experimental data rather than theory empir′ical for′mula
n. a chemical formula showing the elements of a compound and their relative proportions, as (CH2O)n or H2O. Thesaurus| Noun | 1. | empirical formula - a chemical formula showing the ratio of elements in a compound rather than the total number of atomschemical formula, formula - a representation of a substance using symbols for its constituent elements |
Translationsempirical formula
empirical formula: see formulaformula,
in chemistry, an expression showing the chemical composition of a compound. Formulas of compounds are used in writing the equations (see chemical equations) that represent chemical reactions. Compounds are combinations in fixed proportions of the chemical elements.
..... Click the link for more information. .empirical formula[em′pirṁəṁkəl ′fȯrṁmyəṁlə] (chemistry) A chemical formula that indicates the composition of a compound in terms of the relative numbers and kinds of atoms in the simplest ratio; for example, the empirical formula for fluorobenzene is C6H5F. empirical formula
formula [for´mu-lah] (pl. formulas, for´mulae) (L.) 1. an expression, using numbers or symbols, giving the directions for preparing a compound (such as a medicine) or giving a procedure to follow to obtain a desired result.2. a mixture for feeding an infant, usually with cow's milk as a base, supplemented with vitamins and minerals. Various formulas are available, differing in protein, fat, and carbohydrate content in order to meet the nutritional requirements or restrictions of individual infants.chemical formula a combination of symbols used to express the chemical components of a substance.empirical formula a chemical formula that expresses the proportions of the elements present in a substance.molecular formula a chemical formula expressing the number of each element present in a substance, without indicating how they are linked.spatial formula (stereochemical formula) a chemical formula giving the numbers of atoms of each element present in a molecule of a substance, which atom is linked to which, the types of linkages involved, and the relative positions of the atoms in space.structural formula a chemical formula showing the spatial arrangement of the atoms and the linkage of every atom.empirical formula
Words related to empirical formulanoun a chemical formula showing the ratio of elements in a compound rather than the total number of atomsRelated Words |