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Old 12-21-2006, 12:23 PM
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Quote:
Originally Posted by Derek View Post
Using that logic, all liquids should freeze at zero.


Which is true of all base-10 measuring systems. And even taking you at your meaning, Fahrenheit isn't exactly like distances which have inches, feet, yards, and miles, with non-base-10 conversions between them. There's only one unit.


Why is water special? Why does it make sense that ethanol freezes at -114.3 °C instead of -173.74 °F?


It's still arbitrary. There's no scientific reason why water should be chosen as the fluid. Why not hydrogen? Or nitrogen? Or mercury? Or gold? Those are elements, not compounds, so you think they might be given priority. Scientifically, it makes sense that absolute zero would be zero.

(Apparently I'm in an argumentative mood today. Ignore me.)
Isn't the Kelvin scale a bit...big though, for everyday use?
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