摘要：15．已知:2CO(g)+O2(g)==2CO2(g) △H=-566kJ·mol-1 N2(g)+O2 △H=+180kJ·mol-1 则2CO===N2(g)+2CO2(g)的△H是 ( ) A．-386 kJ·mol-1 B．+386 kJ·mol-1 C．-746 kJ·mol-1 D．+746 kJ·mol-1
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已知：2CO(g)+ O2(g) 2CO2(g) △H=-566kJ·mol-1
N2(g)+O2(g) 2NO(g) △H=+180kJ·mol-1
则2CO(g)+2NO(g) N2(g)+2CO2(g) 的△H是
A．-386 kJ·mol-1 B．-746 kJ·mol-1
C．+386 kJ·mol-1 D．+746 kJ·mol-1
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已知：2CO(g)+O2(g)=2CO2(g) 
H =-566kJ·mol－1 N2(g)+O2(g)="2NO" (g)
H =+180kJ·mol－1则2CO(g)+2NO(g)=N2(g)+2CO2(g)的H是
H =-566kJ·mol－1 N2(g)+O2(g)="2NO" (g) H =+180kJ·mol－1则2CO(g)+2NO(g)=N2(g)+2CO2(g)的H是| A．－386 kJ·mol－1 | B．＋386 kJ·mol－1 |
| C．－746 kJ·mol－1 | D．＋746 kJ·mol－1 |
已知：2CO(g)+ O2(g) 2CO2(g) △H=-566kJ·mol-1
N2(g)+O2(g) 2NO(g) △H=+180kJ·mol-1
则2CO(g)+2NO(g) N2(g)+2CO2(g) 的△H是
A．-386 kJ·mol-1 B．-746 kJ·mol-1
C．+386 kJ·mol-1 D．+746 kJ·mol-1
查看习题详情和答案>>
已知：2CO(g)+O2(g)=2CO2(g) 
H =-566kJ·mol－1 N2(g)+O2(g)="2NO" (g) H =+180kJ·mol－1则2CO(g)+2NO(g)=N2(g)+2CO2(g)的H是
| A．－386 kJ·mol－1 | B．＋386 kJ·mol－1 |
| C．－746 kJ·mol－1 | D．＋746 kJ·mol－1 |
H
=-566kJ·mol－1
N2(g)+O2(g)=2NO (g)