what is the temp of triple point on celsius scale?
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The triple points of several substances are used to define points in the ITS-90 international temperature scale, ranging from the triple point of hydrogen (13.8033 K) to the triple point of water (273.16 K, 0.01 °C, or 32.018 °F). The term "triple point" was coined in 1873 by James Thomson, brother of Lord Kelvin.
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0.01oC
0.01oCTriple-point is 0. 01oC, not 0oC. The temperature and pressure at which a substance can exist in equilibrium in the liquid, solid, and gaseous states.It is unique and constant. The problem with Celsius scale is that boiling and melting point change with atmospheric pressure at that place.
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