3483kJ的知识精选

已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1             ②2A...
问题详情:已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1             ②2Ag(s)+O2(g)=Ag2O(s)ΔH=-31.0kJ·mol-1   则Zn与Ag2O反应生成ZnO和Ag的热化学方程式为   A.Zn(s)+Ag2O(s)===ZnO(s)+2Ag(s)ΔH=+317.3kJ·...
已知:①Zn(s)+1/2O2(g)=ZnO(s) ΔH=-348.3kJ·mol-1       ②2Ag(...
问题详情: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   则Zn与Ag2O反应生成ZnO和Ag的热化学方程式为A.Zn(s)+Ag2O(s)=ZnO(s)+2Ag(s) ΔH=+317.3kJ·mol-1B.Zn...
已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1       ②2Ag(s)+O...
问题详情:已知:①Zn(s)+O2(g)=ZnO(s)ΔH=-348.3kJ·mol-1       ②2Ag(s)+O2(g)=Ag2O(s)ΔH=-31.0kJ·mol-1   则Zn与Ag2O反应生成ZnO和Ag的热化学方程式为A.2Zn(s)+2Ag2O(s)===2ZnO(s)+4Ag(s)ΔH=-634.6kJ·mol-1B.Zn+Ag2O==...
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