Question

How many Joules of heat are required to completely convert 80.0g of water at 60 Degrees Celsius to steam at 100 Degrees Celsius

*NOTE THE VALUES ARE IN kJ per MOL

c=4.179 J/gC, DeltaH-Fusion = 6.01 kJ/mol, DeltaH-Vaporization= 40.7 kJ/mol
heating the water to 100ºC ... 80.0 * (100 - 60) * 4.179 ... Joules

vaporizing the water ... (80.0 g / 18.02 g/mol) * 40.7 ... kiloJoules

add the two results

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