I am not a physicist. So I'm not sure...
Isn't the temperature a function of the kinetic energy of the atoms, not their speed? Which would mean that to get deuterated water to 100C would take the same energy as light water?
It wouldn't quite be boiling, but that's minor.
Andy
The specific heat of D2O /is/ higher than that of H2O[1]. But my explanation was flippant. The full effects of the different nuclei depend on the quantummechnaic effects on OH bonds. Once up on a time I might have busked an explanation but no more, no more.
[1]
Where:
Nicely put. As Fermat might have said, there is not enough room in this margin.
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