Phase (matter)

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In the pheesical sciences, a phase is a region o space (a thermodynamic seestem), throughoot which aw pheesical properties o a material are essentially uniform.[1] Examples o pheesical properties include density, index o refraction, magnetization an chemical composeetion. A simple description is that a phase is a region o material that is chemically uniform, pheesically distinct, an (eften) mechanically separable. In a seestem consistin o ice an watter in a glass jar, the ice cubes are ane phase, the watter is a seicont phase, an the humid air ower the watter is a third phase. The glass o the jar is anither separate phase.

References[eedit | eedit soorce]

  1. Modell, Michael; Robert C. Reid (1974). Thermodynamics and Its Applications. Englewood Cliffs, NJ: Prentice-Hall. ISBN 0-13-914861-2.