жұмыс

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

Chemie; Allgemeine Chemie

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

нейтрино

Chemie; Allgemeine Chemie

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

қос жылу

Chemie; Allgemeine Chemie

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.

калориметр

Chemie; Allgemeine Chemie

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

гидроксил

Chemie; Allgemeine Chemie

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

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The winner of the 2011 Miss America pageant. Scanlan, A 17-year-old and recent high school graduate from the western Nebraska town of Gering captured ...