Solid nitrogen melts at
63.15 K, -210.00 °C, -346.00 °F
to form liquid nitrogen.
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Liquid nitrogen becomes liquid at a temperature of -195.79 degrees Celsius (-320.42 degrees Fahrenheit) at atmospheric pressure.
No, liquid nitrogen should not remain on the skin after treatment. It is typically applied briefly to freeze off skin lesions such as warts or precancerous growths. The treated area may blister or form a scab as part of the healing process.
Liquid nitrogen has no melting point. A melting point is the temperature when a solid turns into a liquid. Since liquid nitrogen is already a liquid, it has no melting point. It is already melted, compared to solid nitrogen.
The average temperature of liquid nitrogen is around -196 degrees Celsius or -320 degrees Fahrenheit.
At atmospheric pressure, liquid nitrogen boils at -196 degrees Celsius (-321 degrees Fahrenheit). If the pressure is increased, the temperature at which liquid nitrogen boils also increases.
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