Why do we put down salt in the winter?


2 Answers

Rachel Howell Profile
Rachel Howell answered

So the ice melts or something

John McCann Profile
John McCann answered

To lower the freezing temperature of water and to interfere with the water forming it's crystal ice structurs.

thanked the writer.
Yo Kass
Yo Kass commented
Oh cool. How does salt lower the temperature of the water?
John McCann
John McCann commented
The dissolution of NaCl in water is endothermic ( internal to the solution heat ) so the solution, water, has it's freezing temp. lowered. A bit more complex than this but this is the gist of it.
Yo Kass
Yo Kass commented
Thanks. Yes, a lot more complex than I had imagined!

Answer Question