B
|
C
|
C
|
C |
B
|
D
|
(1)CH
4(g)+2H
2O(g)=CO
2(g)+4H
2(g)ΔH=+165.0 kJ·mol
-1
(2)为H 2S热分解反应提供热量 2H 2S+SO 2=2H 2O+3S(或4H 2S+2SO 2=4H 2O+3S 2) (3)H、O(或氢原子、氧原子) (4)CO(NH 2) 2+8OH --6e -=CO +N 2↑+6H 2O (5)2Mg 2Cu+3H 2△,MgCu 2+3MgH 2 |
D
|
B
|
A
|