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What is the difference between the boiling point elevation and the freezing point depression?
Wiki User
∙ 13y ago
Vapor pressure is a measure of how easily something evaporates. Therefore, if something has a high vapor pressure, it's likely to have a low boiling point. If it has a low vapour pressure, it's likely to have a high boiling point.
For the same reason, if something has a high vapor pressure, it's likely to have a low freezing point, as some of it is still likely to be evaporating as a gas, rather than being a liquid at relatively cold temperatures, so it needs to be even colder to freeze as a solid.
Wiki User
∙ 12y ago
Boiling point elevation refers to the increase in the boiling point of a solvent when a solute is added, while freezing point depression is the decrease in the freezing point of a solvent due to the addition of a solute. Both phenomena are colligative properties that depend on the concentration of the solute particles, with boiling point elevation being directly proportional to that concentration, and freezing point depression being inversely proportional to it.
Wiki User
∙ 13y agoBoiling point elevation is the raising of the temperature of a liquid's boiling point. Freezing point depression is lowering the freezing point of a liquid. These points can be changed by adding a solute (usually salts) to the pure solvent to create a solution. Equations to calculate change in temperature are (change in temp)freezing= i(van't Hoff factor) x Kf x m(molality) and (change in temp)boiling=i(van't Hoff factor) x Kb x m(molality) where Kf and Kb are constants.
Wikipedia has these both defined, and goes into further depth about both.
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What are the difference between freezing point and boiling point?
The freezing point is the temperature at which a liquid turns into a solid, while the boiling point is the temperature at which a liquid turns into a gas. The freezing point is typically lower than the boiling point for a substance.
Why is the curve for the freezing point of solvent different from the freezing point of solution?
The freezing point of a solution is lower than that of the pure solvent due to the presence of solute particles, which disrupt the solvent's ability to form solid lattice structures. This disruption lowers the energy required for the solvent to freeze, causing the freezing point depression. The curve for the freezing point of a solution reflects this relationship between solute concentration and the resulting freezing point.
The freezing point of corn oil is about 259 K. By how many degrees is this different from the freezing point of water on the Kelvin scale?
The freezing point of water is 273.15 K. The difference between them is 14.15 K.
What is the difference between the boiling and freezing points of water in Fahrenheit?
The boiling point of water in Fahrenheit is 212°F, while the freezing point is 32°F. This means that there is a difference of 180°F between the boiling and freezing points of water in the Fahrenheit scale.
How do the melting and boiling points of water differ from those of a sugar water solution?
The melting and boiling points of water are higher than those of a sugar water solution because the presence of sugar disrupts the hydrogen bonding between water molecules. This disruption lowers the melting and boiling points of the solution compared to pure water.
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