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2014-09-28T03:49:13+05:30

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Latent heat of vaporization of water at 100⁰C is 2,260 kJ/kg 

So the amount of heat required to convert water at 100⁰C to steam at the same temperature = mass * Latent heat = 4 * 2,260 kJ = 9,040 kilo Joules


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2014-10-02T00:05:04+05:30
Q=ML Where m=mass=4kg,L=latent heat of vapourisation=2260KJ/Kgthen Qthe quantity of heat liberated=4 x2260=9040KJ
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