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Vapor pressure
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∙ 10y ago
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What process could make a snowbank colder deposition or sublimation?
Sublimation because sublimation would usually occur on a warm day.
What occur only on the surface of the substance?
sublimation
What purpose did the vacuum serve during the sublimation purification of caffeine?
it is used because some organic compounds do not sublime at atmospheric pressure so by using the vacuum it substantially reduces the pressure so that they can be purified by sublimation. it also makes decomposition and melting less likely to occur during the sublimation.
Sublimation and deposition can occur at all temperatures at or below?
freezing point
Will sublimation occur for all substances if the pressure is correct?
Yes it is. Dry ice, or liquid carbon dioxide, is a classic example because it does not go through the liquid phase. The opposite of sublimation is deposition (gas to solid).
Sublimation can occur because solids like liquids have?
Vapor pressure
Heat convection occurs in gases and liquids Heat convection does not occur in solids because solids are unable to?
transfer heat by fluid motion
Why does conduction occurs more easily in solids and liquids than in solids?
Conduction is the transfer of heat by direct contact. It is more likely to occur in soilds and liquids because the particles are closer and move slower.
What are the three states does matter occur?
Solids, liquids, and gasses
Does diffusion occur slow or fast?
Gases, Liquids, and then Solids.
Why does conduction occur more easily in solids and liquids than in gases?
Conduction is the transfer of heat by direct contact. It is more likely to occur in soilds and liquids because the particles are closer and move slower.
Does radiation happen in solids liquids or gases?
Radiation can occur in a vacumn.
Why does conduction occur mainly in solids?
Conduction is the transfer of heat by direct contact. It is more likely to occur in soilds and liquids because the particles are closer and move slower.
What process could make a snowbank colder deposition or sublimation?
Sublimation because sublimation would usually occur on a warm day.
When Heat convection occurs in gases and liquids heat conviction does not occur in solids because solids are unable to?
..to flow as easily. A malleable (space between particles) structure is need for convection to take place.
What state of matter does conduction occur in?
All three, solid liquid and gas.
Does conduction only occur between solids?
No. example: liquids can be added to other liquids to cool off one another. Think cream in coffee.
