Terms starting with A
51 terms · page 3 of 3
Auroral Oval
Geophysics & Environmental Physics
Degrees Latitude (~60°–70° Geomagnetic Latitude)
An elliptical ring-shaped belt around Earth's magnetic poles where energetic magnetospheric electrons precipitate into the upper atmosphere to create auroras.
Excitation: e⁻ + O → O* → O + h ν (557.7 nm Green Light)
Avogadro's Law
Thermodynamics & Statistical Physics
m³/mol
The law stating that equal volumes of all ideal gases at the same temperature and pressure contain equal numbers of molecules.
V1 / n1 = V2 / n2 (at constant P, T)
Avogadro's Number
Foundations of Physics
mol⁻¹
The exact number of elementary entities (atoms, molecules, ions) contained in one mole of a substance.
Na = 6.02214076 × 10²³ mol⁻¹