The number of kg of liquid nitrogen evaporated was 12 kg. Suppose the liquid N2 were all at the boiling point of liquid nitrogen, 196 °C. How much energy in kJ is needed to evaporate off the 12kg of liquid N2 assuming no change in temperatue? The latent heat of vaporization of liquid nitrogen is 199,200 J/kg.
The number of kg of liquid nitrogen evaporated was 12 kg. Suppose the liquid N2 were all at the boiling point of liquid nitrogen, 196 °C. How much energy in kJ is needed to evaporate off the 12kg of liquid N2 assuming no change in temperatue? The latent heat of vaporization of liquid nitrogen is 199,200 J/kg.
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Transcribed Image Text:The number of kg of liquid nitrogen evaporated was 12 kg. Suppose the liquid N2 were all at the boiling point of liquid nitrogen, –
196 °C. How much energy in kJ is needed to evaporate off the 12kg of liquid N, assuming no change in temperatue?
The latent heat of vaporization of liquid nitrogen is 199,200 J/kg.
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