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將H2(g)和Br2(g)充入恒容密閉容器.恒溫下發(fā)生反應(yīng): 查看更多

 

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將H2(g)和Br2(g)充入恒容密閉容器,恒溫下發(fā)生反應(yīng)H2(g)+Br2(g)2HBr(g)  ΔH<0,平衡時Br2(g)的轉(zhuǎn)化率為a;若初始條件相同,絕熱下進(jìn)行上述反應(yīng),平衡時Br2(g)的轉(zhuǎn)化率為b。a與b的關(guān)系是(    )

A.a>b                 B.a=b                C.a<b                D.無法確定

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將H2(g)和Br2(g)充入恒容密閉容器,恒溫下發(fā)生反應(yīng)H2(g)+Br2(g)?2HBr(g)△H<0,g平衡時Br2(g)的轉(zhuǎn)化率為a;若初始條件相同,絕熱下進(jìn)行上述反應(yīng),平衡時Br2(g)的轉(zhuǎn)化率為b.a(chǎn)與b的關(guān)系是( 。
A.a(chǎn)>bB.a(chǎn)=bC.a(chǎn)<bD.無法確定

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將H2(g)和Br2(g)充入恒容密閉容器,恒溫下發(fā)生反應(yīng)H2(g)+Br2(g)?2HBr(g)△H<0,g平衡時Br2(g)的轉(zhuǎn)化率為a;若初始條件相同,絕熱下進(jìn)行上述反應(yīng),平衡時Br2(g)的轉(zhuǎn)化率為b.a(chǎn)與b的關(guān)系是( )
A.a(chǎn)>b
B.a(chǎn)=b
C.a(chǎn)<b
D.無法確定

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將H2(g)和Br2(g)充入恒容密閉容器,恒溫下發(fā)生反應(yīng)H2(g)+Br2(g)?2HBr(g)△H<0,g平衡時Br2(g)的轉(zhuǎn)化率為a;若初始條件相同,絕熱下進(jìn)行上述反應(yīng),平衡時Br2(g)的轉(zhuǎn)化率為b.a(chǎn)與b的關(guān)系是( )
A.a(chǎn)>b
B.a(chǎn)=b
C.a(chǎn)<b
D.無法確定

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將H2(g)和Br2(g)充入恒容密閉容器,恒溫下發(fā)生反應(yīng)H2(g)+Br2(g)?2HBr(g)△H<0,g平衡時Br2(g)的轉(zhuǎn)化率為a;若初始條件相同,絕熱下進(jìn)行上述反應(yīng),平衡時Br2(g)的轉(zhuǎn)化率為b.a(chǎn)與b的關(guān)系是( )
A.a(chǎn)>b
B.a(chǎn)=b
C.a(chǎn)<b
D.無法確定

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