Understanding Matter: States, Changes, and Mixtures
Classified in Chemistry
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States of Matter and Their Changes
State changes are processes experienced by the body according to the environmental conditions of pressure and temperature.
- Solid-Liquid (Fusion)
- Liquid-Gas (Vaporization)
- Gas-Solid (Deposition)
- Liquid-Solid (Solidification)
- Solid-Gas (Sublimation)
- Gas-Liquid (Condensation)
When heating a body, the energy of the particles increases. There comes a moment when this energy is sufficient to overcome the forces of cohesion, and then fusion occurs when we consider that part of a solid body. The same applies to all states of aggregation. The form of fusion of a body depends on its nature. We will distinguish between crystalline and amorphous bodies.
- In a crystalline body, such as ice, melting is produced at a constant temperature