General chemistry

General chemistry

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General chemistry

Planck's constant

Chemistry; General chemistry

A proportionality constant that relates the energy carried by a photon to its frequency . Planck's constant has a value of 6.6262 × 10-34 J s.

Raoult's law

Chemistry; General chemistry

The vapour pressure of a solvent in an ideal solution equals the mole fraction of the solvent times the vapour pressure of the pure solvent.

Curie point

Chemistry; General chemistry

Temperature above which a ferromagnetic material loses its ferromagnetism.

The total pressure exerted by a mixture of gases is the sum of the pressures that each gas would exert if it were alone. For example, if dry oxygen gas at 713 torr is saturated with water vapour at ...

Debye

Chemistry; General chemistry

A common non-SI unit of dipole moment , named for Dutch physical chemist Peter Debye. A charge separation equal to one electron charge placed one Ångstrom unit apart has a dipole moment of 4.8 D. ...

DNA

Chemistry; General chemistry

A nucleic acid with 2-deoxy-D-ribose as the sugar in its nucleotides . DNA contains encoded genetic information, specifically templates for the synthesis of all of an organism's proteins and ...

EDTA

Chemistry; General chemistry

A polydentate ligand that tightly complexes certain metal ions. EDTA is used as a blood preservative by complexing free calcium ion (which promotes blood clotting). EDTA's ability to bind to lead ...