amonijak

amonijak

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 ammonia are (incorrectly) referred to as "ammonium hydroxide".

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Valdkond/domeen: Chemistry
Category: General chemistry
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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 ...

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 ...

celuloza

Chemistry; General chemistry

A polysaccharide made of linked glucose molecules that strengthens the cell walls of most plants. See also: What is cellulose?

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Valdkond/domeen: Food (other) Category: Herbs & spices

korijander

spice (whole or ground) Description: Seeds from the coriander plant, related to the parsley family (see cilantro). Mixture of lemon, sage and caraway ...