Some common meanings are a small dark-furred mammal, a spy, a small raised blotch on the skin etc. Until now, a mole has been defined with reference to a specified mass. The current official definition of the mole reads (5) The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon 12; its symbol is “mol”. In theory, an individual could use any range of unique terms for counting particles in chemistry. Chemistry Mole In chemistry, the mole, also called Avogadro's Number, is a unit that is useful in converting between atomic mass and molar mass. Chemistry Dictionary. Learn more. My students would learn how to do the calculations, but would not be able to internalize or explain its meaning. This video describes the meaning and functionality of Avogadro's number in chemistry. Over 100,000 French translations of English words and phrases. How to use mole in a sentence. Mole Day was created as a way to foster interest in chemistry. Convert quantities between mass units and mole units. You can also find multiple synonyms or similar words of Mole. The origin of the word trace back to 1894, when German chemist Wilhelm Ostwald coined the unit Mol from the German word Molekülu. The mole is the unit of amount in chemistry. In chemistry, the mole, also called Avogadro s Number, is a unit that is useful in converting between atomic mass and molar mass. Mole definition is - a pigmented spot, mark, or small permanent protuberance on the human body; especially : nevus. The word “mole” has multiple meanings in the English language. Any of the burrowing rodents also called mole rats. What is a Mole? ser el mole de algn to be sb's favourite thing. mole 2 (mōl) n. 1. If it is possible to observe individual things, it isn’t really feasible to have a mole of them together in 1 place. Mole verde, a variety of the Mexican sauce based on green chilI peppers and pumpkin seeds; Moll (slang), sometimes spelled mole, in Australian English The mole isn’t a specific number. Example 3 in Section 6.2 “Atomic and Molar Masses” stated that the mass of 2 mol of U is twice the molar mass of uranium. Schools throughout the United States and around the world celebrate Mole Day with various activities related to chemistry and/or moles. ‘Because a shaved mole's ‘roots’ are left in the skin, the mole may grow back.’ ‘The only blemish is a small mole just under his left eye, but somehow that little imperfection makes him so much better looking.’ ‘The border of the mole should be smooth, with a clear distinction between skin and the mole.’ So How About What Is a Mole Chemistry? mole, mole conversions, Avogadro's number, particle conversions, molar massWhen I first became a chemistry teacher I used chalk and talk to teach about the mole concept. One of the difficulties lies within the fact that the mole has three meanings: an individual unit of mass; a portion of substance; and; a number. The mole (n), abbreviated as mol, is a fundamental chemical quantity that characterizes the amount of substance. See more ideas about mole meaning, mole, brick cottage. mole poblano meat dish from Puebla. Their new definition is based on a specified number of elementary entities. A mole corresponds to the mass of a substance that contains 6.023 x 10 23 particles of the substance. It is defined that 1 mole of any substance contains 6.02x10 23 particles (atoms, molecules, ions, electrons).. 6.02x10 23 is a unique number, called Avogadro’s number.. Amedeo Avogadro was the first scientist to determine the actual number of particles in a mole. 1. The definition of Mole is followed by practically usable example sentences which allow you to construct your own sentences based on it. mole 1 (mōl) n. A skin lesion, commonly a nevus, that is typically raised and discolored. The meaning and functionality of Avogadro's number in chemistry. A 1 liter solution containing 5 moles of a substance would be a 5 M, or 5 Mol solution. The word comes from Middle French mole, ultimately from Latin mōlēs, meaning a large mass, especially of rock; it has the same root as molecule and mole, the chemical unit of measurement. Mole and How to Use the Mole in Chemistry. We are all familiar with common copy-machine paper that comes in 500 sheet reams. It allows the chemist to weigh out amounts of two substances, say iron and sulfur, such that equal numbers of atoms of iron and sulfur are obtained. mole de olla meat stew. Resistance towards the Avogadro-based definition of the mole has largely been due to the belief that Avogadro constant is not a universal constant of physics, and that its numerical value has no particular physical meaning. Firstly, it is called a Husband Mole wherein it is believed that a woman having this mole has an unpleasant married life, fraught with tensions. Mole, colloquial name for a nevus, a usually benign but sometimes malignant growth on human skin Melanocytic nevus, another term for mole "Mole", NATO reporting name for Beriev Be-8, a Soviet amphibious aircraft "mole", informal name of Cultivator No. By definition: 1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 10 23 of carbon atoms (to 10 significant figures). What Is a Mole in Chemistry Secrets That No One Else Knows About. ‘Because a shaved mole's ‘roots’ are left in the skin, the mole may grow back.’ ‘The only blemish is a small mole just under his left eye, but somehow that little imperfection makes him so much better looking.’ ‘The border of the mole should be smooth, with a clear distinction between skin and the mole.’ The page not only provides Urdu meaning of Mole but also gives extensive definition in English language. It provides a bridge between the atom and the macroscopic amounts of material that we work with in the laboratory. See more. A mole is a massive structure, usually of stone, used as a pier, breakwater, or a causeway between places separated by water. When you compare amounts of chemicals since they relate to one another, you will need the mole ratio. If you stacked up 6.02 x 10 23 sheets of this paper, the pile would reach from the earth to the moon 80 billion times! A mole is comparable to a term like a dozen. Its symbol is mol. It is known as the Avogadro number. Examples. Mr. Causey describes what a mole is and how to use a mole in stoichiometry. 1 mole of any thing like atoms or molecules or ions simply means 6.022 * 10^23 entities of that thing . SI unit of amount of substance, equal to that quantity containing as many elementary units as there atoms in 0.012 kg of carbon-12. Years ago, I wr Mols is shorthand for molarity, a unit of measurement corresponding to moles/liter. Mole (/ ˈ m oʊ l eɪ /, / ˈ m oʊ l i / IPA: (); from Nahuatl mōlli, "sauce") is a traditional marinade and sauce originally used in Mexican cuisine.In contemporary Mexico the term is used for a number of sauces, some quite dissimilar, including black, red / Colorado, yellow, green, almendrado, de olla, huaxmole, guacamole, and pipián.Outside of Mexico, it typically refers to mole poblano. Of measurement for amount of substance in the English language the International System of units ( SI ) as described... Having issues with the fundamentals of a substance would be a 5 M, or small permanent protuberance the... The mole is followed by practically usable example sentences which allow you to construct your own sentences based on specified! Throughout the United States and around the world celebrate mole Day was created as a way to interest... Origin of the substance definition describes the mole is 6.02 x 10 23 ( the constant. Liter solution containing 5 moles of a substance would be a 5 M, or 5 solution... Word “ mole ” has multiple meanings in the laboratory to moles/liter number: it is 6 with 23 after... On top of it that resembles a wooden pier to chemistry and/or.. Of Pure and Applied chemistry ( Iupac ) recommends revising the definition mole meaning in chemistry mole is and how to the. Their new definition describes the meaning and functionality of Avogadro 's number in chemistry specified.. 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