The Diagram Of Phase Change

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The term phase transitionxis most commonly used to describe transitions between solid, liquid and gaseous states of matter, and, in rare cases, plasma. A phase of a thermodynamic system and the states of matter have uniform physical properties. During a phase transition of a given medium certain properties of the medium change, often discontinuously, as axresult of the change of some externalxcondition, such asxtemperature, pressure, or others. For example, a liquid may become gas upon heating to the boilingxpoint, resulting in an abrupt change inxvolume. The measurement of the external conditions at which the transformation occurs is termed the phase transition. Phase transitions are common in nature and used today in many technologies. …show more content…

from solid to liquid, liquid to gas and vice versa. Phase changes arexreversible, and an equilibrium exists between phases atxcertain conditions. For example, the liquid-solid equlibriumxpoint for water is at 1 atm and under those conditions, an ice cubexfloating in a glassxof water would be constantly undergoing phase changes (some of the ice is absorbing heat and meltingxand some of the water isxreleasing heat and freezing), but the relative proportion of solid to liquid remains the same.

TYPES OF TRANSITION:

Examples of phase transitions include:
• The transitions between the solid, liquid, and gaseous phases of a single component, due to the effects of temperature and/or pressure

FROM TO
Solid Solid
Liquid
Gas
Plasma

Liquid Solid-solid transformation Melting
Sublimation

Gas Freezing
— Boiling/evaporation

Plasma Deposition
Condensation
— Ionization

— — Recombination/deionization


fusion, melting: solid to liquid phase change

PHASE

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