Calculate the amount of heat needed to change the temperature of 2 kg of steam from 110 0C to -4 0   Use the following in working this question: Specific heat of water = 1 kcal/kg.0c Specific heat of ice = 0.5 kcal/kg.0c Specific heat of steam = 0.5 kcal/kg.0c Latent heat of fusion = 80 kcal/kg Latent heat of vaporization = 540 kcal/kg

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