General chemistry

General chemistry

Industry: Chemistry

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General chemistry

kinetic energy

Chemistry; General chemistry

Energy an object has because of its mass and velocity. Objects that not moving have no kinetic energy. (Kinetic Energy=0.5* mass*velocity2.

limiting reagent

Chemistry; General chemistry

limiting reactant. -The reactant will have to be exhausted first. (reactant/reagent)

line spectra

Chemistry; General chemistry

Spectra generated by excited substances. Consists of radiation with only specific wavelengths.

mass number

Chemistry; General chemistry

The total number of protons and neutrons in an atom or ion. In nuclide symbols the mass number is given as a leading superscript. In isotope names (e.g. carbon-14, sodium-23) the mass number is ...

mixture

Chemistry; General chemistry

Composed of two or more substances, but each keeps its original properties.

molality

Chemistry; General chemistry

Concentration measured as moles of solute per kilogram of solvent. For example, a 1 m NaCl solution contains 1 mole of NaCl per kilogram of water. Molalities are preferred over molarities in ...

enthalpy

Chemistry; General chemistry

Enthalpy (H) is defined so that changes in enthalpy ( H) are equal to the heat absorbed or released by a process running at constant pressure. While changes in enthalpy can be measured using ...