Question: How much heat is required to convert 2 4 . 2 g of liquid H 2 O at 7 5 . 5 deg C

How much heat is required to convert 24.2 g of liquid H2O at 75.5\deg C into steam at 143.8\deg C?
For liquid water, C =4.185 J/g \deg C
For water vapor, C =1.996 J/g \deg C
Hvap =40.65 kJ/mol
Energy needed =___ J

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