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The compound in the mixture that is the sublimate would be whatever compound has passed directly from the solid to the gas phase without entering the liquid phase in between.

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9y ago
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11y ago

It's not exactly a compound, but dry ice is often used due to it being quite readily available and very visible.

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8y ago

Several organic compounds can be purified by sublimation in vacuum.

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Q: What compound can be used to demonstrate sublimation?
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Can sublimation extraction decantation filtration or evaporation be used to separate the elements found in a compound?

These separation methods are not suitable for compounds; they are used for mixtures.


What laboratory equipment of sublimation?

Sublimation apparatus is a piece of laboratory glassware used in the technique of sublimation usually used by chemists to purifycompounds. Typically a solid is placed in a vessel which is then heated under vacuum. Under this reduced pressure the solid volatilizes and condenses as a purified compound on a cooled surface, leaving the non-volatile residue impurities behind. This cooled surface often take the form of a cold finger. Once heating ceases and the vacuum is released, the sublimed compound can be collected from the cooled surface.


When is purification by sublimation applicable?

purification by sublimation is applicable when the solid has a relatively high vapor pressure at temperature below its melting point. it is also applicable when the purity has a lower vapor pressure than the purified, and when a small quantity of the solid is used. this process can also be used when compounds display characteristic property of condensing the solid state without passing through the liquid state.


What characteristics must a compound possess to be effectively purified by sublimation?

The only requirement is that the solid must have a slight vapor pressure under the applied conditions. Sublimation happens below triple point pressure.


Where sublimation is used?

It is used to seperate substances of different melting point

Related questions

Can sublimation extraction decantation filtration or evaporation be used to separate the elements found in a compound?

These separation methods are not suitable for compounds; they are used for mixtures.


When a compound is released into the air what is the chemical reaction called?

Sublimation


What is a dye sublimation used for?

Dye sublimation (correctly is dye diffusion) is used in printing.


Changing form a liquid to gas is the answer is sublimation?

The answer is Sublimation of an element or compound is the change from a solid directly to a gas with no intermediate liquid stage. Sublimation is a phase transition that occurs at temperatures and pressures below the triple point.


What laboratory equipment of sublimation?

Sublimation apparatus is a piece of laboratory glassware used in the technique of sublimation usually used by chemists to purifycompounds. Typically a solid is placed in a vessel which is then heated under vacuum. Under this reduced pressure the solid volatilizes and condenses as a purified compound on a cooled surface, leaving the non-volatile residue impurities behind. This cooled surface often take the form of a cold finger. Once heating ceases and the vacuum is released, the sublimed compound can be collected from the cooled surface.


When is purification by sublimation applicable?

purification by sublimation is applicable when the solid has a relatively high vapor pressure at temperature below its melting point. it is also applicable when the purity has a lower vapor pressure than the purified, and when a small quantity of the solid is used. this process can also be used when compounds display characteristic property of condensing the solid state without passing through the liquid state.


What is The name used when a solid goes to a gas?

The phase of solid to gas is called sublimation.


What is the purpose of the sublimation and recrystallization steps?

Recrystallization and Sublimation are two commonly encountered methods of Purification. Several of these are done in the laboratory to obtain a pure sample of a particular organic compound. Recrystallization literally means to crystallize again. Sublimation involves heating the compound at low pressure from one apparatus and and condensing it in another. This is quite the same as distillation but of solid state.


What characteristics must a compound possess to be effectively purified by sublimation?

The only requirement is that the solid must have a slight vapor pressure under the applied conditions. Sublimation happens below triple point pressure.


What is sublimation used for?

sublimation is a process in which a solid is directly converted to its vapour phase without facing liquid phase.


What two apparatus are used in the sublimation separation process?

Chemists use a special sublimation apparatus.See this link for an image.


What is The term used for conversion of solid to vapour?

Sublimation Note: the term for the changing of a gas to a solid is condensation.