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General chemistry

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General chemistry

critical point

Chemistry; General chemistry

State at which two phases of a substance first become indistinguishable. For example, at pressures higher than 217.6 atm andtemperatures above 374°C, the meniscus between steam and liquid water will ...

law of conservation of mass

Chemistry; General chemistry

There is no change in total mass during a chemical change. The demonstration of conservation of mass by Antoine Lavoisier in the late 18th century was a milestone in the development of modern ...

solid

Chemistry; General chemistry

A solid is a relatively dense, rigid state of matter, with a definite volume and shape. Molecules in solids are often packed close together in regularly repeating patterns, and vibrate around fixed ...

amphi

Chemistry; General chemistry

A prefix used to name certain members of a series of geometric isomers or stereoisomers .

eutectic mixture

Chemistry; General chemistry

A mixture of two or more substances with melting point lower than that for any other mixture of the same substances.

nuclide

Chemistry; General chemistry

An atom or ion with a specified mass number and atomic number. For example, uranium-235 and carbon-14 are nuclides.

triple point

Chemistry; General chemistry

The temperature and pressure at which the solid, liquid, and gaseous forms of a substance are at equilibrium .

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