The Temperature of 100 G of Water Is to Be $\degree$

Multiple Choice

The temperature of 100 g of water is to be raised from 10 $\degree$ C to 90 $\degree$ C. The energy needed to do this is about

A) 1 $\times$ 10³ cal.
B) 5 $\times$ 10³ cal.
C) 6 $\times$ 10³ cal.
D) 8 $\times$ 10³ cal.
E) 5.4 $\times$ 10⁴ cal.