Calculate the heat energy that will be released when 5.0 kg of steam at 100 $^{o}$ C condenses to form water at 100 $^{o}$ C. Express your answer in S.I. unit (specific heat of vapourisation of steam is 2268 kJ/kg)

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Solution

Heat produced (H) $= m L = 5 k g \times 2268 k J g^{- 1} = 11340 k J$

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