1g碳与适量水蒸气反应生成CO和H2,需吸收10.94kJ热量,此反应的热化学方程式为( )
A.C + H2O ="=" CO + H2△H= +131.3 kJ·mol-1 |
B.C(s)+ H2O(g) ="=" CO(g) + H2(g)△H= +10.94 kJ·mol-1 |
C.C(s)+ H2O(l) ="=" CO(g) + H2(g)△H= +131.3 kJ·mol-1 |
D.C(s)+ H2O(g) ="=" CO(g) + H2(g)△H= +131.3 kJ·mol-1 |