25℃、101 kPa下,碳、氢气、甲烷和葡萄糖的燃烧热依次是393.5 kJ/mol、285.8 kJ/mol、890.3 kJ/mol、 2800 kJ/mol,则下列热化学方程式正确的是 [ ]
A.
C(s)+1/2O 2 (g)=CO(g) △H= -393.5 kJ/mol
B.
2H 2 (g)+O 2 (g)=2H 2 O(l) △H= +571.6 kJ/mol
C.
CH 4 (g)+2O 2 (g)=CO 2 (g)+2H 2 O(g) △H= -890.3 kJ/mol
D.
C 6 H 12 O 6 (s) +6O 2 (g)=6CO 2 (g)+6H 2 O(l) △H= -2800 kJ/mol