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Calculate the increase in internal energy of 1 kg of water at 100 ∘C when it is converted into steam at the same temperature and at 1 atm (100 kPa). The density of water and steam are 1000 kgm−3 and 0.6 kgm−3 respectively. The latent heat of vapourisation of water = 2.25×106 J kg−1 |
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Answer» Calculate the increase in internal energy of 1 kg of water at 100 ∘C when it is converted into steam at the same temperature and at 1 atm (100 kPa). The density of water and steam are 1000 kgm−3 and 0.6 kgm−3 respectively. The latent heat of vapourisation of water = 2.25×106 J kg−1 |
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