问题:
同温同压下,已知下列各反应均为放热反应,其中放热最少的是( )
A.2A ( l ) + B ( l ) =" 2C" ( g ) ΔH1
B.2A ( g ) + B ( g ) =" 2C" ( g ) ΔH2
C.2A ( g ) + B ( g ) =" 2C" ( l ) ΔH3
D.2A ( l ) + B ( l ) =" 2C" ( l ) ΔH4
同温同压下,已知下列各反应均为放热反应,其中放热最少的是( )
A.2A ( l ) + B ( l ) =" 2C" ( g ) ΔH1 | B.2A ( g ) + B ( g ) =" 2C" ( g ) ΔH2 |
C.2A ( g ) + B ( g ) =" 2C" ( l ) ΔH3 | D.2A ( l ) + B ( l ) =" 2C" ( l ) ΔH4 |
参考答案: