Determine the energy required to convert 5 kg of ice at -20 /C to saturated vapor at 100 /C. The specific heat of ice is 2,050 J/kg K, specific heat of water is 4,180 J/kg K, latent heat of fusion of ice is 333.2 kJ/kg, latent heat of vaporization of water is 2,257.06 kJ/kg.

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