Eli5: Some ice cream recipes put ice + salt outside the recipient to make it cool faster. But in the winter, salt is put on snow on the street to melt faster. Why one make cool and other melt? Submitted by zimobz t3_z7g8d6 on November 29, 2022 at 2:08 AM in explainlikeimfive 27 comments 2
Mammoth-Mud-9609 t1_iy6fdnz wrote on November 29, 2022 at 2:19 AM The sodium ions and chloride ions in common salt interrupt the water molecules bonding together to form ice and so lower the freezing point of water. https://youtu.be/oVJAZ002v5k Permalink 4
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