Question

How much energy needs to be added in the form of heat to turn a 50 kg block of ice at -20 deg C into steam at 135 deg C?

Lf=333 kJ/kg

Lv=2256 kJ/kg Cice=2.108 kJ/KgdegC Cwater=4.187 kJ/kgdegC Csteam=1.996kJ/kgdegC

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