težina

težina

Weight is the force exerted by an object in a gravitational field. The weight of an object (W) arises from its mass (m):

W = mg

where g is the acceleration due to gravity (about 9.8 m/s2 on Earth).

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Ipar/Tárgykör: Chemistry
Kategória: General chemistry
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atomska težina

Chemistry; General chemistry

The average mass of an atom of an element, usually expressed in atomic mass units . The terms mass and weight are used interchangeably in this case. The atomic weight given on ...

specifična težina

Electrical equipment; Capacitors

The density (mass per unit volume) of any material divided by that of water at a standard temperature.

težina, specifična

Energy; Natural gas

Weight per unit volume of a substance.

organska hemija

Chemistry; General chemistry

The study of compounds that contain carbon chemically bound to hydrogen, including synthesis, identification, modelling, and reactions of those compounds.

nuklearna fuzija

Chemistry; General chemistry

Combination of two smaller nuclei to form a larger nucleus. The larger nucleus has higher binding energy per nucleon than the original nuclei, and fusion results in the release of ...

amonijak

Chemistry; General chemistry

Pure NH3 is a colorless gas with a sharp, characteristic odor. It is easily liquified by pressure, and is very soluble in water. Ammonia acts as a weak base . Aqueous solutions of ...

nuklearna fizija

Chemistry; General chemistry

Splitting of a nucleus into two smaller nuclei and neutrons. The smaller nuclei have higher binding energy than the original nucleus, and fission results in the release of energy.

enzim

Chemistry; General chemistry

Protein or protein-based molecules that speed up chemical reactions occurring in living things. Enzymes act as catalysts for a single reaction, converting a specific set of ...

amino kiselina

Chemistry; General chemistry

Amino acids are molecules that contain at least one amine group (-NH2) and at least one carboxylic acid group (-COOH). When these groups are both attached to the same carbon, the ...

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Ipar/Tárgykör: Biológia Kategória: Marine biology

Danionella dracula

a new species of fish discovered in the Mekong River region in 2009. The Dracula fish is so named because it has two fangs at the front of its top ...