Ten Grams of Ice at -20 $\degree$ C Is to Be Changed to Steam at 130

Multiple Choice

Ten grams of ice at -20 $\degree$ C is to be changed to steam at 130 $\degree$ C. The specific heat of both ice and steam is 0.5 cal/g . $\degree$ C. The heat of fusion is 80 cal/g and the heat of vaporization is 540 cal/g. The entire process requires:

A) 750 cal
B) 1250 cal
C) 6950 cal
D) 7450 cal
E) 7700 cal