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 + H2ΔH ==+131.3KJ·mol—1 |
B.C(s)+ H2O(g) ==CO(g) + H2(g)ΔH ==+10.94KJ·mol—1 |
C.C(s)+ H2O(l) ==CO(g) + H2(g)ΔH ==+131.3KJ·mol—1 |
D.C(s)+ H2O(g) ==CO(g) + H2(g)ΔH ==+131.3KJ·mol—1- |
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 + H2ΔH ==+131.3KJ·mol—1 |
B.C(s)+ H2O(g) ==CO(g) + H2(g)ΔH ==+10.94KJ·mol—1 |
C.C(s)+ H2O(l) ==CO(g) + H2(g)ΔH ==+131.3KJ·mol—1 |
D.C(s)+ H2O(g) ==CO(g) + H2(g)ΔH ==+131.3KJ·mol—1- |