Gritt on the streets

Type Document
Description A common misconception is that gritting the sidewalk causes the temperature to increase and thus melt the ice. However, it is actually the other way around. Adding salt to a water-ice mixture lowers the freezing point of the solution, causing the ice to become liquid even though the temperature is below 0ºC. This is the reason why we put grit on the streets and one of the reasons why ice rarel...
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Author TEMI group
Uploaded by Nicole
License Creative Commons Attribution-NonCommercial
Attribute to http://teachingmysteries.eu/en/about/?t=1
Language Language independent
Created at May 24, 2016 10:27
Updated at May 24, 2016 10:27
Size 906 KB

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