moles define
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- What is a Mole? A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12 (i.e., 6.023 X 1023). This involves the acceptance of two dictates -- the scale of atomic masses and the magnitude of the gram. Both have been established by international agreement.
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Atomic mass unit The definition of the mole, an SI base unit, was accepted by the CGPM in 1971 as: 1  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.
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Love Is Strange Sylvia Robinson claims that she and Mickey Baker wrote the lyrics, while Bo Diddley claims that he wrote them. The first recorded version of Love Is Strange was performed by Bo Diddley, who recorded his version on May 24, 1956 with Jody Williams on lead guitar.
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Mole sauce Mole is the generic name for a number of sauces originally used in Mexican cuisine, as well as for dishes based on these sauces. Outside Mexico, it often refers specifically to mole poblano. 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 and pipián. Generally, a mole sauce contains a fruit, chili pepper, nut and such spices as black pepper, cinnamon, cumin, and chocolate.
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Wildlife Directory Food. Moles are insectivores and eat mainly insects, larvae such as white grubs and earthworms. They are opportunistic feeders and will eat slugs, snails, millipedes and centipedes, and spiders. Moles will also eat plants such as the seeds of corn, grasses, oats and wheat.
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mole hydatid mole, hydatidiform mole. a condition in females characterized by an abnormal pregnancy resulting from a pathological ovum, with proliferation of the epithelial covering of the chorionic villi and dissolution and cystic cavitation of the avascular stroma of the villi. It results in a mass of cysts resembling a bunch of grapes. pigmented mole
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Mole Mole. Definition. noun, plural: moles. (chemistry). (1) The SI unit of amount of substance of a chemical system that contains as many elementary unit as there are atoms in 0.012 kg of carbon-12. Symbol: mol.
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What causes freckles and moles Moles are small coloured spots on the skin made up of cells called melanocytes, which produce the colour (pigment) in your skin. The scientific name for moles is melanocytic naevi. Moles are often a brownish colour, although some may be darker or skin-coloured.
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molehill mole·hill. n. A small mound of loose earth raised by a burrowing mole. make a mountain out of a molehill.To exaggerate a minor problem.ole·hill. n. A small mound of loose earth raised by a burrowing mole. make a mountain out of a molehill.
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Facts About Red Moles A mole -- what medical professionals call a nevus -- is a type of skin growth that occurs when color-producing cells in your skin grow in a cluster. They are usually round or oval, can be raised or flat and may be black, brown pink or red.Most red moles are not cancerous.ot all red moles are cause for concern. However, it is important to get any new or changing skin growth checked by a doctor. Itchiness, bleeding and oozing may signal the development of skin cancer. Any skin growth larger than a pencil eraser should also be checked by a doctor.
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- A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly 12 grams of carbon-12 (i.e., 6.023 X 10 23). This involves the acceptance of two dictates -- the scale of atomic masses and the magnitude of the gram.
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Moles & Atypical Nevi Moles, or nevi, are skin growths made up of cells called melanocytes or nevus cells. The average person has fewer than 40 moles.Moles can be flat or raised and can range in color from skin colored to light, medium, or dark brown (no particular type is better than another).typical nevi, also called dysplastic nevi or Clark's nevi, are acquired moles that have unusual features both in terms of how they look clinically and how they look when biopsied (removed and examined under a microscope).
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Types of skin moles and how to know if theyâre safe Mole types by time. Congenital moles, also known as congenital nevi, are moles that are present at birth. They are caused by melanocyte cells in the dermis (middle layer of skin), epidermis (outer layer of skin), or both. These types of moles can range in size and are sometimes referred to as birthmarks.
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A Mole of Moles One mole is close to the number of atoms in a gram of hydrogen. It’s also, by chance, a decent ballpark guess for the number of grains of sand on Earth. A mole is also a type of burrowing mammal. There are a handful of types of moles, and some of them are truly horrifying.
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River Mole The River Mole is a tributary of the River Thames in southern England. It rises in West Sussex near Horsham and flows northwest through Surrey for 80 km (50 mi) to the Thames at East Molesey, opposite Hampton Court Palace.etween Dorking and Leatherhead the Mole cuts a steep-sided valley (the Mole Gap) though the North Downs, carving a 170-metre (560 ft) high river cliff on the western flank of Box Hill and a smaller 50-metre (160 ft) cliff at Ham Bank in Norbury Park.
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Top 40 Doctor insights on: Use Wart Remover On Moles Moles (Definition) A mole (also called a nevus) is a localized overgrowth of pigment-producing cells (melanocytes) in the skin. Most moles are benign. However, these cells can become cancerous. This is known as melanoma, a malignancy of melanocytes.
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Mole (animal) A mole's diet primarily consists of earthworms and other small invertebrates found in the soil, and a variety of nuts. The mole runs are in reality worm traps, the mole sensing when a worm falls into the tunnel and quickly running along to kill and eat it.
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Types of skin moles and how to know if theyâre safe A mole or nevus is a dark, raised spot on our skin comprised of skin cells that have grown in a group rather than individually. These cells are called melanocytes and are responsible for producing melanin, the pigment (color) in our skin.
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Chapter 3 Molecules and Atoms Chapter Review As of 2011, the mole is defined by BIPM to be the amount of substance of a system which contains the same number of elementary entities (e.g. atoms, molecules, ions, electrons) as atoms in 0.012 kilograms of carbon-12 (12 C), the isotope of carbon with relative atomic mass 12.
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How Skin Moles Work Causes of Skin Moles. Moles are common skin growths that result from a natural process in the skin. Melanin is the natural pigment that gives skin, hair and the irises of the eyes their color. In the skin, melanin is produced in cells called melanocytes located in the two upper layers of the skin. Melanocytes tend to be spread evenly throughout the skin, giving the skin its natural color.
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Mole Moles are a small mammals that are most well known for living in tunnels underground. Moles are commonly found in Europe, Asia, South Africa and North America although there are oddly no moles inhabiting Ireland.Moles have long, curved claws which the moles use to burrow underground.he average lifespan of a mole is about 4 years but some species of mole have been known to live until they are 6 or 7 years old. Due to their small size, moles are preyed about by mammals, birds and reptiles when the moles are above ground.
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The mole (mol) The mole (mol) The mole is a base unit of the International System of Units (SI). A mole is the amount of substance containing as many elementary entities as there are atoms in exactly 0.012 kilogram (or 12 grams) of carbon-12, where the carbon-12 atoms are unbound, at rest and in their ground state.
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Mole sauce Mole (/ˈmoʊleɪ/, /ˈmoʊli/ Spanish pronunciation: [ˈmole]; from Nahuatl mōlli, sauce) is the generic name for a number of sauces originally used in Mexican cuisine, as well as for dishes based on these sauces. Outside Mexico, it often refers specifically to mole poblano.
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mole The mole (abbreviation, mol) is the Standard International ( SI ) unit of material quantity. One mole is the number of atom s in precisely 12 thousandths of a kilogram (0.012 kg) of C-12, the most common naturally-occurring isotope of the element carbon. This number is equal to approximately 6.022169 x 10 23 , and is also called the Avogadro constant. The mole is the only fundamental SI unit that is dimensionless. That means it represents a simple numerical quantity or value; it is a term similar in nature to dozen (meaning 12) or gross (meaning 144). But 1 mol is, unlike a dozen or a gross, an incomprehensibly large number.
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Mole (unit) The mole is widely used in chemistry as a convenient way to express amounts of reactants and products of chemical reactions. For example, the chemical equation 2 H2 + O2 → 2 H2O implies that 2 moles of dihydrogen (H2) and 1 mole of dioxygen (O2) react to form 2 moles of water (H2O).
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The mole is used extensively in chemistry, why not elsewhere? The mole is useful in chemistry because it is defined such that the mass of Avogadro's number of particles (atoms or molecules) of a substance (the molar mass) is equal to the sum of the numerical values of the atomic masses of its constituent elements.