Two Kilograms of Water at 100 $\degree$ C Is Converted to Steam at 1 Atm

Multiple Choice

Two kilograms of water at 100 $\degree$ C is converted to steam at 1 atm.Find the change in internal energy (in J) .(L_v = 2.26 *10⁶ J/kg. )

A) 2.1 * 10⁴
B) 4.5 *10⁶
C) 3.4 * 10⁵
D) 4.2 * 10⁶
E) 2.1 * 10⁶