Search results
- Dictionarymole/məʊl/
noun
- 1. a small burrowing mammal with dark velvety fur, a long muzzle, and very small eyes, feeding mainly on worms, grubs, and other invertebrates. Similar
- 2. a spy who gradually achieves an important position within the security defences of a country: "a well-placed mole was feeding them the names of operatives" Similar
Powered by Oxford Dictionaries
6 days ago · mole, in chemistry, a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles. The mole designates an extremely large number of units, 6.02214076 × 10 23.
In the field of chemistry, a mole is defined as the amount of a substance that contains exactly 6.02214076 * 10 23 ‘elementary entities’ of the given substance. The number 6.02214076*10 23 is popularly known as the Avogadro constant and is often denoted by the symbol ‘N A ’.
1. : a massive work formed of masonry and large stones or earth laid in the sea as a pier or breakwater. 2. : the harbor formed by a mole.
Dec 1, 2023 · A mole is a unit of measurement that is used to express the amount of substance in a chemical reaction. The term “mole” is defined as the quantity or mass of a substance that contains 6.02 × 10 23 particles (atoms, molecules, or formula units).
Jul 10, 2024 · What Is a Mole? Like all units, a mole has to be defined or based on something reproducible. The present definition of the mole is defined, but it used to be based on the number of atoms in a sample of the isotope carbon-12.
a person who works for an organization or government and secretly gives information to its competitor or enemy: A mole inside the Department had leaked secret proposals to the press.
Jun 25, 2014 · The mole is the S unit for quantity that is exactly 6.022 x 10^23 particles. In chemistry, a mole is an SI base unit for quantity. Despite the name, it has nothing to do with the small brown/gray garden pest or the tasty chocolate sauce on Mexican food. The mole unit describes the amount or number of things.
Jul 3, 2019 · A Mole is defined as a chemical unit, defined to be 6.022 x 10 23 (Avogadro's Constant) entities. In science, this is usually molecules or atoms . The mass of a mole is the gram formula mass of a substance.
Mole definition: any of various small insectivorous mammals, especially of the family Talpidae, living chiefly underground, and having velvety fur, very small eyes, and strong forefeet. See examples of MOLE used in a sentence.
a person who works for an organization or government and secretly gives information to its competitor or enemy: A mole inside the Department had leaked secret proposals to the press.
