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CALCULATOR FOR DENSITY AND SPECIFIC HEAT FOR LIQUID WATER



Temperatura: ยบC
Densidad: kg/m3
Calor Especรญfico: kJ/kgยทK
   



Density
Water of liquid water is 1 g/cm3 (1000 kg/m3), but only at a temperature of 4ยบC and for pure water. This is the maximum density for water, for higher of lower temperatures, density decreases. This behaviour differentiates water from most of substances witch density decreases when temperature increase (if pressure is kept constant). In any case, for most of calculations, it is considered fine to consider a constant value for liquid water density, for any temperature and pressure.
Another factors affecting liquid water density, although usually not relevant, is the isotopes concentration. Water usually contains mainly hydrogen-1 and oxigen-16. However, usually there is a small percentage of hydrogen-2 (Deuterium), witch chemically behaves as hydrogen-1 isotope, but it is heavier. Water with a high deuterium concentration is called heavy water. Water density can also be affected by concentration of dissolved oxygen.

Specific heat
Specific heat is the amount of energy to be added, in the form of heat, to one unit of mass of the water in order to increase one unit in its temperature. It also depends on temperature.



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