题目列表(包括答案和解析)
化学反应N2+3H2 = 2NH3的能量变化如下图所示,该反应的热化学方程式是
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 [来源:Z.xx.k.Com][来源:ZXXK]
化学反应N2+3H2=2NH3的能量变化如图所示,该反应的热化学方程式是
A.N2(g)+3H2(g)=2NH3(l);ΔH=2(a-b-c) kJ·mol-1
B.N2(g)+3H2(g)=2NH3(g);ΔH=2(b-a) kJ·mol-1
C.N2(g)+H2(g)=NH3(l);ΔH=(b+c-a) kJ·mol-1
D.N2(g)+H2((g)=NH3(g);ΔH=(a+b) kJ·mol-1
化学反应N2+3H2 = 2NH3的能量变化如图所示,该反应的热化学方程式是
A.N2(g)+3H2(g) = 2NH3(l);⊿H = 2 (a—b—c) kJ·mol-1
B. N2(g)+3H2(g) = 2NH3(g) ;⊿H = 2 (b—a) kJ·mol-1
C.N2(g)+H2(g) = NH3(l) ;⊿H =(b+c—a) kJ·mol-1
D.N2(g)+H2(g) =NH3(g) ;⊿H = (a+b) kJ·mol-1
化学反应N2+3H2 = 2NH3的能量变化如题图所示,该反应的热化学方程式是( )
A.N2(g)+3H2(g) = 2NH3(g) ;⊿H = 2(b—a)kJ·mol-1
B.N2(g)+3H2(g) = 2NH3(l);⊿H = 2(a—b—c)kJ·mol-1
C.N2(g)+H2(g) = NH3(l) ;⊿H = (b+c—a)kJ·mol-1
D.N2(g)+H2(g) =NH3(g) ;⊿H = (a+b)kJ·mol-1
化学反应N2+3H2 = 2NH3的能量变化如题图所示,该反应的热化学方程式是( )
A.N2(g)+3H2(g) = 2NH3(g) ;⊿H = 2(b—a)kJ·mol-1
B.N2(g)+3H2(g) = 2NH3(l);⊿H = 2(a—b—c)kJ·mol-1
C.N2(g)+H2(g) = NH3(l) ;⊿H = (b+c—a)kJ·mol-1
D.N2(g)+H2(g) =NH3(g) ;⊿H = (a+b)kJ·mol-1
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