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 ; ΔH="=" +131.3KJ·mol— |
B.C(s)+ H2O(g) ="=" CO(g) + H2(g) ; ΔH="=" +10.94KJ·mol— |
C.C(s)+ H2O(l) ="=" CO(g) + H2(g) ; ΔH="=" +131.3KJ·mol— |
D.C(s)+ H2O(g) ="=" CO(g) + H2(g) ; ΔH== +131.3KJ·mol— |