I had this question in a mid-term in physical chemistry 20 years ago. I can't remember the details but it is driven by the entropy in the system. Along with the things other have said about changes tight above the surface of the puffle.
this post was submitted on 14 Feb 2026
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Anon forgot that temperature in a substance is not uniform. This normally doesn't matter, but if a part becomes hotter than the boiling point it will leave before it has a chance to go back to average temperature. So yes, the water "went to 212" before evaporating.