Cryometry or Cryoscopy!!! DEFINITIVE VIDEO !!!!! - Café com química - Prof Michel - World Latest Movie, Series, Videos and Trailers | fetery.com

Cryometry or Cryoscopy!!! DEFINITIVE VIDEO !!!!!

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Café com química - Prof Michel

Published on Jun 14, 2023

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Colligative properties are physical changes that occur in a solvent when a non-volatile solute is added to it. These properties depend exclusively on the number of particles of the solute in relation to the solvent, regardless of its chemical nature. In other words, colligative properties are related to the amount of particles dispersed in the solvent, regardless of which solute is being used. Cryometry: Freezing point reduction - When a non-volatile solute is added to a solvent, the freezing point of the solvent is reduced. This occurs because the solute interferes with the bonds between the solvent molecules, making it difficult for the crystalline structure to form during the freezing process. The previously mentioned method is used to freeze cans, as an application of cryoscopy. In regions where snow and ice are frequent, it is common to spread salt on roads and sidewalks. Salt dissolved in water forms a solution that has a lower freezing point than pure water. This helps to prevent the formation of ice, keeping surfaces passable and reducing the risk of accidents. In car radiators we also use an antifreeze, often ethylene glycol.

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