The heat of fusion for water at 0 °C is approximately 334 joules (79.7 calories) per gram, and the heat of vaporization at 100 °C is about 2,250 joules (533 calories) per gram or 2.25∗106 J/kg.
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Similar Questions
Q1
The latent heat of vaporisation of water is: (a) 2.25×106J/Kg (a) 3.34×106J/Kg (c) 2.25×104J/Kg (d) 33.4×105J/Kg
1 kg of water 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 vaporisation of water is 2.25×106Jkg−1. What will be increase in energy?
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Q4
If 1 kg of vegetables costs $4.23, then 2.25 kg of vegetables costs .
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Q5
The increase in internal energy of 1 kg of water at 1000C when it is converted into steam at the same temperature and at 1atm(100kPa) will be [The density of water and steam are 1000kg/m3 and 0.6kg/m3 respectively. The latent heat of vapourisation of water is 2.25×106J/kg] :