Question

Calculate the energy in the form of heat, in kJ, required to convert 225 grams of liquid water at 21.0 °C to steam at 115 °C. Heat of fusion = 0.333 kJ/g; heat of vaporization = 2.26 kJ/g; specific heat capacities: liquid water = 4.18 J/g·°C., steam = 1.92 J/g·°C.

A. 88.5 kJ
B. 158 kJ
C. 589 kJ
D. 596 kJ
E. 663 kJ

Answer 1

C. 589