How many kilograms of nitrogen are boiled away in given time


Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 60.0-W electric heating element is immersed in an insulated vessel containing 46.5 L of liquid nitrogen at its boiling point. How many kilograms of nitrogen are boiled away in a period of 7.50 h?

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Physics: How many kilograms of nitrogen are boiled away in given time
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