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關於272kJmol的百科

已知下列數據:Fe(s)+1/2O2(g)=FeO(s) ΔH=-272kJ/mol;2Al(s)+3/2O2...
  • 已知下列數據:Fe(s)+1/2O2(g)=FeO(s) ΔH=-272kJ/mol;2Al(s)+3/2O2...

  • 問題詳情:已知下列數據:Fe(s)+1/2O2(g)=FeO(s) ΔH=-272kJ/mol;2Al(s)+3/2O2(g)=Al2O3(s) ΔH=-1675kJ/mol;則2Al(s)+3FeO(s)=Al2O3(s)+3Fe(s)的ΔH是  A.-859kJ/mol    B.+859kJ/mol       C.-1403kJ/mol     D.-2491kJ/mol【回答】A知識點:化學反應中的能量變化題...
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