How many kilograms of nitrogen are boiled

Reference no: EM13504976

Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. A 45.0-W electric heating element is immersed in an insulated vessel containing 31.5 L of liquid nitrogen at its boiling point. How many kilograms of nitrogen are boiled away in a period of 5.00 h?

Reference no: EM13504976

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