400 Kelvin is equal to 126.85 degrees Celsius, or 260.33 degrees Fahrenheit. At this temperature, water has boiled, and is a gas (steam).
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Water is in a gaseous phase at 400 Kelvin. At this temperature, the water molecules have enough energy to overcome the intermolecular forces holding them together in liquid form, causing them to evaporate into a gas.
At 400 Kelvin and 40 bar, water is in the supercritical phase, where it exhibits properties of both a liquid and a gas due to high temperature and pressure.
The average temperature on Mercury is about 400 degrees Kelvin (more than the boiling point of water), but temperatures range from 100 degrees Kelvin (very cold) to around 700 degrees Kelvin (very, very hot).
Water boils at 373.15 Kelvin.
On the Kelvin scale, water boils at 373.15 K.
273.15 kelvin because 1 ATM is reffering to the normal atmospheric pressure so it is the normal freezing point converted to kelvin Rob