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關於ZnOs的百科

已知:(1)Zn(s)+1/2O2(g)==ZnO(s),ΔH=-348.3kJ/mol        (2)...
已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1       ②2Ag(s)+O...
  • 已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1       ②2Ag(s)+O...

  • 問題詳情:已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1       ②2Ag(s)+O2(g)=Ag2O(s)ΔH=-31.0kJ·mol-1   則Zn與Ag2O反應生成ZnO和Ag的熱化學方程式為A.2Zn(s)+2Ag2O(s)===2ZnO(s)+4Ag(s)ΔH=-634.6kJ·mol-1B.Zn+Ag2O===ZnO+2AgΔH=+317.3kJ·mol-1C.Zn(s)+Ag2O(s)===ZnO(s)+2Ag(...
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已知下列熱化學方程式:Zn(s)+O2(g)=ZnO(s) ΔH1=-351.1kJ/molHg(l)+O2(...
  • 已知下列熱化學方程式:Zn(s)+O2(g)=ZnO(s) ΔH1=-351.1kJ/molHg(l)+O2(...

  • 問題詳情:已知下列熱化學方程式:Zn(s)+O2(g)=ZnO(s) ΔH1=-351.1kJ/molHg(l)+O2(g)=HgO(s) ΔH2=-90.7kJ/mol由此可知Zn(s)+HgO(s)=ZnO(s)+Hg(l)的ΔH3,其中ΔH3的值是    A.-260.4kJ/mol      B.-254.6kJ/mol        C.-438.9kJ/mol    D.-441.8kJ/mol【回答】A知...
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已知:①Zn(s)+1/2O2(g)=ZnO(s) ΔH=-348.3kJ·mol-1       ②2Ag(...
  • 已知:①Zn(s)+1/2O2(g)=ZnO(s) ΔH=-348.3kJ·mol-1       ②2Ag(...

  • 問題詳情:已知:①Zn(s)+1/2O2(g)=ZnO(s) ΔH=-348.3kJ·mol-1       ②2Ag(s)+1/2O2(g)=Ag2O(s) ΔH=-31.0kJ·mol-1   則Zn與Ag2O反應生成ZnO和Ag的熱化學方程式為A.Zn(s)+Ag2O(s)=ZnO(s)+2Ag(s) ΔH=+317.3kJ·mol-1B.Zn+Ag2O=ZnO+2AgΔH=+317.3kJ·mol-1C.Zn(s)+Ag2O(s)=ZnO(s)+2Ag(...
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已知下列熱化學方程式:  Zn(s)+    O2(g)=ZnO(s) ΔH1=-351.1kJ·mol-1 ...
已知熱化學反應方程式:(  )Zn(s)+O2(g)=ZnO(s);△H=-351.5kJ・mol-1Hg(l...
已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1             ②2A...