12N2gO2gNO的知识精选

已知反应:H2(g)+1/2O2(g)=H2O(g)        ΔH1 1/2N2(g)+O2(g)=NO...
问题详情:已知反应:H2(g)+1/2O2(g)=H2O(g)        ΔH1 1/2N2(g)+O2(g)=NO2(g)         ΔH21/2N2(g)+3/2H2(g)=NH3(g)      ΔH3则反应2NH3(g)+7/2O2(g)=2NO2(g)+3H2O(g)的ΔH为( )A.2ΔH1+2Δ...
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