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