Calculate the heat required to convert 10.0 g of water at 100 °C to steam at 100 °C. The specific heat of water is 1.00 cal/(g x °C); the heat of fusion is 80.0 cal/g; and the heat of vaporization is 540.0 cal/g.

(a) 8.0 cal

(b) 10.0 cal

(c) 54.0 cal

(d) 8.00 x 10² cal

(e) 5.40 x 10³ cal.