摘要:6.1g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-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
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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-1 |
| B.C(s)+ H2O(g) ==CO(g) + H2(g) ; ΔH==+131.3KJ·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==+10.94KJ·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 |