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a solid changes directly to a gas is called sublimation. It occurs when the particles of a solid absorb enough energy to completely overcome the force of attraction between them

Sublimation can be important in the recovery of compounds that are suspended or dissolved in a fluid or a solid like dry ice. The compounds can be recovered, at least in crude form, by allowing the suspending matrix to sublimate away

sublimation is most often used to describe the process of snow and ice changing into water vapor in the air without first melting into water

Sublimation is used to purify compounds. It is especially useful for organic compounds. Because dry ice sublimates so readily, the compound is used to produce fog effects.

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Moth balls

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Accretion of matter in space

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Dry ice turning to carbon dioxide

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Deposition is a phase change of matter from gas to solid

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Deposition is a phase change of matter from gas to solid

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a gas changes directly to a solid without going through the liquid state. It occurs when gas particles become very cold

Deposition is important because it is used to preserve food by freezing them

Deposition is also important because it produces snow helping the earth to cool down when it's getting warmer

Deposition helps in tranvering food without making it spoil

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Water turning into ice when the temperature drops below 0˚C is an example of freezing.
Freezing delays spoilage and keeps foods safe by preventing microorganisms from growing and by slowing down the enzyme activity that causes food to spoil. As the water in the food freezes into ice crystals, it becomes unavailable to those microorganisms that need it for growth.

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Frozen food

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Formation of snow

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Water to form ice in an ice cube tray.

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Melting or fusion, is a physical process that results in the phase transition of a substance from a solid to a liquid.
The melting point is an important physical property of a compound. The melting point can be used to identify a substance and as an indication of its purity. The melting point of solid is defined as the temperature at which the solid exists in equilibrium with its liquid under an external pressure of one
atmosphere.
Melting points are often used to characterize organic and inorganic crystalline compounds and to ascertain their purity.

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Glass melting

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melting chocolate

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Physical vapor to film

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Water vapor turning to ice causing a hailstorm

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The cold air turning to snow

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Fog in the air

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Morning Dew

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Clouds in the sky

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Condensation is the phase chage from a gas to a liquid.

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Condensation is the phase chage from a gas to a liquid.

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Particles or molecules slow down, move closer together and release heat energy.

Because condensation is a naturally occurring phenomenon, it can often be used to generate water in large quantities for human use.  Commercial applications of condensation by consumers as well as industry include power generation, water desalination, thermal management, refrigeration and air conditioning.  Also, other common examples can include distillation of various hydrocarbons in refining operations and drying of air.

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Cooling down of hot liquids like coffee

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Ironing of clothes

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Drying of clothes under the sun

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The particles or molecules speed up, move farther apart, and absorb heat energy.

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Evaporation is the phase change from a liquid to a gas that occurs at the boiling point.

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Evaporation is the phase change from a liquid to a gas that occurs at the boiling point.

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Evaporation is used to concentrate liquid foods such as noodles and make condensed milk, the product of a process that removes water from milk. In the pharmaceutical industry, evaporation is often used to create a concentrated solution, which can then be dried to create a powdered product.