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Solid, assuming normal atmospheric pressure.
At the standard atmospheric pressure of 101325 Pa water boils exact at 100 degrees Celsius.
Pure water, at normal atmospheric pressure freezes at 0 deg C. If the pressure is greater than normal atmospheric pressure (760mm of Hg) or if the water contains dissolved substances, its freezing point will be below 0 deg C.
Water boils when its internal pressure reaches that of the atmospheric pressure. Therefor, if one lowers the atmospheric pressure, the water would boil at a lower temperature (in fact, one can make water boil at room temperature by dramatically lowering the atmospheric pressure).
At normal atmospheric pressure, it is 100 deg C. However, water will evaporate at a much lower temperature.
100 Celsius
It depends on the pressure. At normal atmospheric pressure, the melting point of water is about 273.15 K.
Solid, assuming normal atmospheric pressure.
At the standard atmospheric pressure of 101325 Pa water boils exact at 100 degrees Celsius.
It is the temperature at which, at normal atmospheric pressure, liquid water freezes and solid ice melts.
Pure water, at normal atmospheric pressure freezes at 0 deg C. If the pressure is greater than normal atmospheric pressure (760mm of Hg) or if the water contains dissolved substances, its freezing point will be below 0 deg C.
Water boils when its internal pressure reaches that of the atmospheric pressure. Therefor, if one lowers the atmospheric pressure, the water would boil at a lower temperature (in fact, one can make water boil at room temperature by dramatically lowering the atmospheric pressure).
At normal atmospheric pressure, it is 100 deg C. However, water will evaporate at a much lower temperature.
lalalal
If a pressure greater than atmospheric pressure is applied to a solution or pure water, its water potential increases
Because while atmospheric pressure is the greater of the two the vapour pressure of the water can not spontaneously form bubbles (ie boil).
They are the boiling point of pure water at normal atmospheric pressure.