Liquid nitrogen has a boiling point of 77.3 K and alatent heat of vaporization of 2.01 3
Chapter 20, Problem 60(choose chapter or problem)
Liquid nitrogen has a boiling point of 77.3 K and alatent heat of vaporization of 2.01 3 105 J/kg. A 25.0-Welectric heating element is immersed in an insulatedvessel containing 25.0 L of liquid nitrogen at its boilingpoint. How many kilograms of nitrogen are boiledaway in a period of 4.00 h?
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