How does the energy source for a standard stovetop boil differ from vacuum freezing?
Answer
A stovetop boil uses an external heat source, while vacuum freezing draws energy from the water itself.
A standard stovetop boil is maintained by an external heat source providing energy for the phase change near 100 extdegree C. Conversely, vacuum freezing relies on the removal of latent heat of vaporization directly from the remaining liquid water, causing it to cool dramatically.
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