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        1. C.N2(g)+H2(g) = NH3kJ?mol-1 查看更多

           

          題目列表(包括答案和解析)

          化學(xué)反應(yīng)N2+3H2 = 2NH3的能量變化如題圖所示,該反應(yīng)的熱化學(xué)方程式是(     )

          A.N2(g)+3H2(g) = 2NH3(g) ;⊿H = 2(b—a)kJ·mol1

          B.N2(g)+3H2(g) = 2NH3(l);⊿H = 2(a—b—c)kJ·mol1

          C.N2(g)+H2(g) = NH3(l) ;⊿H = (b+c—a)kJ·mol1

          D.N2(g)+H2(g) =NH3(g) ;⊿H = (a+b)kJ·mol1

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          化學(xué)反應(yīng)N2+3H2 = 2NH3的能量變化如圖所示,該反應(yīng)的熱化學(xué)方程式是

          A.N2(g)+3H2(g) = 2NH3(l);⊿H = 2 (abc) kJ·mol1

          B. N2(g)+3H2(g) = 2NH3(g) ;⊿H = 2 (ba) kJ·mol1

          C.N2(g)+H2(g) = NH3(l) ;⊿H =(bca) kJ·mol1

          D.N2(g)+H2(g) =NH3(g) ;⊿H = (ab) kJ·mol1

           

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          化學(xué)反應(yīng)N2+3H2 = 2NH3的能量變化如下圖所示,該反應(yīng)的熱化學(xué)方程式是

          A、N2(g)+3H2(g) = 2NH3(l)      ⊿H = 2(a—b—c)kJ/mol

          B、N2(g)+3H2(g) = 2NH3(g)      ⊿H = 2(b—a)kJ/mol

          C、N2(g)+H2(g) = NH3(l)    ⊿H = (b+c—a)kJ/mol

          D、N2(g)+  H2(g) =NH3(g)     ⊿H = (a+b)kJ/mol [來源:Z.xx.k.Com][來源:ZXXK]

           

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          化學(xué)反應(yīng)N2+3H2=2NH3的能量變化如圖所示,該反應(yīng)的熱化學(xué)方程式是

          A.N2(g)+3H2(g)=2NH3(l);ΔH=2(abc) kJ·mol1

          B.N2(g)+3H2(g)=2NH3(g);ΔH=2(ba) kJ·mol1

          C.N2(g)+H2(g)=NH3(l);ΔH=(bca) kJ·mol1

          D.N2(g)+H2((g)=NH3(g);ΔH=(ab) kJ·mol1

           

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          化學(xué)反應(yīng)N2+3H2=2NH3的能量變化如圖所示,該反應(yīng)的熱化學(xué)方程式是

          A、N2(g)+H2((g)=NH3(g);ΔH=(ab) kJ·mol1

          B、N2(g)+3H2(g)=2NH3(g);ΔH=2(ba) kJ·mol1

          C、N2(g)+H2(g)=NH3(l);ΔH=(bca) kJ·mol1

          D、N2(g)+3H2(g)=2NH3(l);ΔH=2(abc) kJ·mol1

           

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