General chemistry

General chemistry

Contributors in General chemistry

General chemistry

A system for reporting very small or very large numbers by writing the number as a decimal number between 1 and 10, multiplied by a power of 10. For example, 602000000000000000000000 is written in ...

Atmosphere

Chemistry; General chemistry

A unit of pressure, equal to a barometer reading of 760 mm Hg. 1 atmosphere is 101325 pascals and 1.01325 bar .

Formula weight

Chemistry; General chemistry

The formula weight is the sum of the atomic weights of the atoms in an empirical formula . Formula weights are usually written in atomic mass units (u).

Path length

Chemistry; General chemistry

In absorption spectroscopy , the length of a path taken by radiation through a sample.

Viscosity

Chemistry; General chemistry

The resistance a liquid exhibits to flow. Experimentally, the frictional force between two liquid layers moving past each other is proportional to area of the layers and the difference in flow speed ...

Condensation

Chemistry; General chemistry

1. The conversion of a gas into a liquid is called condensation. Condensation usually occurs when a gas is cooled below its boiling point. 2. A reaction that involves linking of two molecules with ...