[单选题]
How much heat energy is needed to3v,5xj9 9 g+ amww:stup qnhi; change 10 kg of water at w fg7lp0 a6sa-$50 \; ^{\circ}C$ to steam at $120 \; ^{\circ}C$?
A. $4.2 \times 10^{5} \; J$
B. $2.3 \times 10^{7} \; J$
C. $4.2 \times 10^{6} \; J$
D. $2.5 \times 10^{7} \; J$
