题型:单选题 题类:常考题 难易度:普通
吸热反应和放热反应b 40
①CH3OH(g)+H2O(g)═CO2(g)+3H2(g)△H=+49.0kJ•mol﹣1
②CH3OH(g)+O2(g)═CO2(g)+2H2(g)△H=﹣192.9kJ•mol﹣1
下列说法正确的是( )
| IA | ⅡA | ⅢA | ⅣA | ⅤA | ⅥA | ⅦA | 0 |
2 | ⑤ | ⑧ | ||||||
3 | ① | ③ | ④ | ⑦ | ⑨ | |||
4 | ② | ⑥ | ⑩ |
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