题文
已知H2(g)+Cl2(g)=2HCl(g) △H=―184.6kJ·mol-1,则反应HCl(g)=
H2(g)+
Cl2(g)的△H为
| A.+184.6kJ·mol-1 | B.―92.3kJ·mol-1 |
| C.―369.2kJ·mol-1 | D.+92.3kJ·mol-1 |
已知H2(g)+Cl2(g)=2HCl(g) △H=―184.6kJ·mol-1,则反应HCl(g)=
H2(g)+
Cl2(g)的△H为
| A.+184.6kJ·mol-1 | B.―92.3kJ·mol-1 |
| C.―369.2kJ·mol-1 | D.+92.3kJ·mol-1 |
试题篮
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