Final answer:
The medium-sized puddle of spilled hot water has the highest vapor pressure due to the higher kinetic energy of its molecules.
Explanation:
The medium-sized puddle of spilled hot water has the highest vapor pressure. Vapor pressure is determined by the tendency of molecules to escape from the liquid phase into the vapor phase at a given temperature. Hot water molecules have higher kinetic energy, allowing more of them to escape into the vapor phase compared to the cold water or rainwater puddles.
Learn more about vapor pressure in different puddles here:
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