Quote:
Originally posted by gal
Sapper isn't totally wrong.. compressibility isn't the same as thermal volume expansion. According to a table here, water at 100 deg is 0.95 g/cm3.
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5% expansion over 100 degrees is likely trivial in this case.
I think you could produce more substantial changes in density by adding salts to the solution that wouldn't really alter the sound of cold water being poured.
I find the viscosity theory the most convincing.