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How much heat (in kJ) is required to convert 426 g of liquid H2O at 22.9°C into steam at 145°C? (Assume the specific heat of liquid water is 4.184 J/g°C, the specific heat of steam is 2.078 J/g°C, and both values are over the given temperature ranges. The normal boiling point of H2O is 100.00°C. )