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How much heat is required to convert 5 kg of ice at -20C to steam at +100C? (relevant constants given below for convenience)
Cice= 2.108x103 J/kg°C
Cwater= 4.186x10³ J/kg°C
L= 3.335x105 J/kg
Ly= 2.260x106 J/kg
O 2.303 × 106 J
O 1.360 × 107 J
O 1.485 × 107 J
O 1.527 × 107 J
O 1.570 × 107 J

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