калориметр

калориметр

An insulated vessel for measuring the amount of heat absorbed or released by a chemical or physical change.

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Pramonės šaka / sritis: Chemistry
Category: General chemistry
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электр калориметр

Chemistry; Analytical chemistry

Device to measure heat evolved (from fusion or vaporization, for example); measured quantities of heat are added electrically to the sample, and the temperature rise is noted.

олефин

Chemistry; General chemistry

A compound that consists of only carbon and hydrogen, that contains at least one carbon-carbon double bond. Alkene names end with -ene. Examples are ethylene (CH2=CH2); 1-propene ...

майшыт

Chemistry; General chemistry

A colloid formed from tiny liquid droplets suspended in another, immiscible liquid. Milk is an example of an emulsion.

нейтрино

Chemistry; General chemistry

An elementary particle produced by certain nuclear decay processes. Neutrinos have no charge and extremely small masses compared to other subatomic particles.

қос жылу

Chemistry; General chemistry

A device that senses temperature changes by using a pair of joined wires made of dissimilar metals that produces a voltage that changes with temperature.

гидроксил

Chemistry; General chemistry

1. An -OH group within a molecule. 2. A free radical formed by abstraction of a hydrogen atom from water.

дәлдік

Chemistry; General chemistry

Precision is reproducibility. Saying "These measurements are precise" is the same as saying, "The same measurement was repeated several times, and the measurements were all very ...

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Pramonės šaka / sritis: Astronomy Category: Galaxy

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The two giant bubbles of high-energy gamma rays protruding from the Milky Way, each spanning 25,000 light-years across, roughly the size of the galaxy ...