Quote:
Originally Posted by JohnnyD
So... Phil and I are both kind of right?
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I like that...on a grand scale. I'm a single molecule scale guy!
If there is no water and its below freezing...each crystal/molecule CaCl2 on a molecular scale reacts with snow/ice to generate water based upon mini-exothermic reactions, e.g. ice melts. The thing cascades and makes more water which dissolves more CaCl2. The more water the more CaCl2 dissolved the lower the freezing point which causes more ice to melt.