The heat capacity of liquid water is 4.18 J/g•C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67C into 1.00 g of steam at 100C?

Question

The heat capacity of liquid water is 4.18 J/g•C and the heat of vaporization is 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67C into 1.00 g of steam at 100C? 
 
A. 22.7 kJ
B. 40.8 kJ
C. 2.2 kJ
D. 2,400 J
E. 40.8 J

bobpursley · Answer

add the heat to warm the water to 100C, to the heat to vaporize it.

Kristina · Answer

How much energy does it take to convert 12.5 grams of water to water vapor?