[单选题]
How much heat energy is needed to change 10 kg of +,huhm/5vd z p08rb1rh*s4 uu (cytpb water4j 2brbz+d t. ;t7l2o ytlmwsm7j.h a5 at $50 \; ^{\circ}C$ 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. $2.5 \times 10^{7} \; J$
