7.试直接判断下列热化学方程式书写不正确的是( ) A.1/2H2(g)+1/2Cl2,ΔH=-91.5Kj/mol B.1/2H2(g)+1/2Cl2,ΔH=+91.5Kj/mol C. H2(g)+Cl2,ΔH=-183Kj/mol D.2HCl(g)=H2(g)+Cl2(g),ΔH=+183Kj/mol 【查看更多】

 

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试直接判断下列热化学方程式书写不正确的是(    )zxxk.com

A.1/2H2(g)+1/2Cl2(g)=HCl(g);ΔH=-91.5Kj/mol

B.1/2H2(g)+1/2Cl2(g)=HCl(g);ΔH=+91.5Kj/mol

C. H2(g)+Cl2(g)=2HCl(g);ΔH=-183Kj/mol

D.2HCl(g)=H2(g)+Cl2(g);ΔH=+183Kj/mol

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试直接判断下列热化学方程式书写不正确的是(    )

A.1/2H2(g)+1/2Cl2(g)=HCl(g);ΔH=-91.5Kj/mol

B.1/2H2(g)+1/2Cl2(g)=HCl(g);ΔH=+91.5Kj/mol

C. H2(g)+Cl2(g)=2HCl(g);ΔH=-183Kj/mol

D.2HCl(g)=H2(g)+Cl2(g);ΔH=+183Kj/mol

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试直接判断下列热化学方程式书写不正确的是


  1. A.
    1/2H2(g)+1/2Cl2(g)===HCl(g)  ΔH=-91.5 kJ/mol
  2. B.
    1/2H2(g)+1/2Cl2(g)===HCl(g)   ΔH=+91.5 kJ/mol
  3. C.
    H2(g)+Cl2(g)===2HCl(g)   ΔH=-183 kJ/mol
  4. D.
    2HCl(g)===H2(g)+Cl2(g)   ΔH=+183 kJ/mol

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试直接判断下列热化学方程式书写不正确的是(  )

A.1/2H2(g)+1/2Cl2(g)===HCl(g)ΔH=-91.5 kJ/mol
B.1/2H2(g)+1/2Cl2(g)===HCl(g)ΔH=+91.5 kJ/mol
C.H2(g)+Cl2(g)===2HCl(g) ΔH=-183 kJ/mol
D.2HCl(g)===H2(g)+Cl2(g) ΔH=+183 kJ/mol

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