vapor pressure depression

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• Vapor pressure — or Vapor tension Vapor tension . (Physics) The pressure or tension of a confined body of vapor of a chemical substance in equilibrium with the solid or liquid form of the substance. The pressure of a given saturated vapor is a function of the… …   The Collaborative International Dictionary of English

• Vapor tension — Vapor pressure Vapor pressure or Vapor tension Vapor tension . (Physics) The pressure or tension of a confined body of vapor of a chemical substance in equilibrium with the solid or liquid form of the substance. The pressure of a given saturated… …   The Collaborative International Dictionary of English

• osmotic pressure — n the pressure produced by or associated with osmosis and dependent on molar concentration and absolute temperature: as a) the maximum pressure that develops in a solution separated from a solvent by a membrane permeable only to the solvent b)… …   Medical dictionary

• Melting-point depression — This article deals with melting/freezing point depression due to very small particle size. For depression due to the mixture of another compound, see freezing point depression. Melting point depression is a term referring to the phenomenon of… …   Wikipedia

• Freezing-point depression — This article deals with melting and freezing point depression due to mixture of another compound. For depression due to small particle size, see melting point depression. Freezing point depression describes the phenomenon in which the freezing… …   Wikipedia

• Melting point depression — is a term referring to the phenomenon of reduction of the melting point of a material with reduction of its size. This phenomenon is very prominent in nanoscale materials which melt at temperatures hundreds of degrees lower than bulk… …   Wikipedia

• Dew point depression — The dew point depression (T Td) is the difference between the temperature and dew point temperature at a certain height in the atmosphere. The smaller the difference, the more moisture there is, and the higher the relative humidity. In the lower… …   Wikipedia

• Osmometer — An osmometer is a device for measuring the osmotic strength of a solution, colloid, or compound. There are several different techniques employed in osmometry: Vapor pressure depression osmometers determine the concentration of osmotically active… …   Wikipedia

• Colligative properties — are properties of solutions that depend on the number of molecules in a given volume of solvent and not on the properties/identity (e.g. size or mass) of the molecules.[1] Colligative properties include: relative lowering of vapor pressure;… …   Wikipedia

• Boiling-point elevation — describes the phenomenon that the boiling point of a liquid (a solvent) will be higher when another compound is added, meaning that a solution has a higher boiling point than a pure solvent. This happens whenever a non volatile solute, such as a… …   Wikipedia

• Mercury (element) — gold ← mercury → thallium Cd ↑ Hg ↓ Cn …   Wikipedia