atomska težina

atomska težina

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 the periodic table is a weighted average of isotopic masses found in a typical terrestrial sample of the element.

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težina

Bahan-bahan kimia; Kimia secara umum

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 ...

težina

Arkeologi; Evolusi manusia

The force that gravity exerts on a body of mass.

specifična težina

Peralatan listrik; Kapasitor

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

težina, specifična

Energi; Gas alam

Weight per unit volume of a substance.

organska hemija

Bahan-bahan kimia; Kimia secara umum

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

nuklearna fuzija

Bahan-bahan kimia; Kimia secara umum

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

Bahan-bahan kimia; Kimia secara umum

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

Bahan-bahan kimia; Kimia secara umum

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

Bahan-bahan kimia; Kimia secara umum

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

Bahan-bahan kimia; Kimia secara umum

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 ...