已知下列反应N2(g) + 3H2(g) = 2NH3(g) (1)1/2N2(g) + 3/2H2(g) = NH3(g) (2) 1/3N2(g) + H2(g) = 2/3NH3(g) (3)的平衡常数分别为 Kθ1 、Kθ2 、Kθ3 ,则它们的关系是
A: Kθ1=Kθ2=Kθ3
B: Kθ1 = (Kθ2)2 = (Kθ3)3
C: Kθ1 =3/2Kθ2 =2/3Kθ3
D: Kθ1 = (Kθ2)1/2 = (Kθ3)1/3
A: Kθ1=Kθ2=Kθ3
B: Kθ1 = (Kθ2)2 = (Kθ3)3
C: Kθ1 =3/2Kθ2 =2/3Kθ3
D: Kθ1 = (Kθ2)1/2 = (Kθ3)1/3
举一反三
- 在温度T和压力pθ时理想气体反应:(Ⅰ)2H2O(g)=2H2(g)+O2(g) Kθ1 (Ⅱ)CO2(g)=CO(g)+1/2O2(g) Kθ2则反应:(Ⅲ)CO(g)+H2O(g)=CO2(g)+H2(g)的Kθ3应为 A: 这是单选题 B: Kθ3= Kθ1/Kθ2 C: Kθ3= Kθ1Kθ2 D: Kθ3=(Kθ1)1/2/Kθ2 E: Kθ3= Kθ2/Kθ1
- 设某温度时合成氨的反应N2(g)+3H2(g)=2NH3(g)的标准平衡常数为K⊖,则反应NH3(g)= 1/2N2(g)+3/2H2(g)是( )。 A: (K⊖)2 B: (K⊖)1/2 C: (K⊖)-1/2 D: (K⊖)-2
- NH4HS(s)和任意量的NH3(g)及H2S(g)达平衡时有: A: K=2,f=2,Φ=2 B: K=1,f=3,Φ=2 C: K=1,f=2,Φ=1 D: K=1,f=2,Φ=3
- NH4HS(s)和任意量的NH3(g) 及H2S(g) 达平衡时 A: K =1,Φ =2,f =1 B: K =2,Φ =3,f =1 C: K =1,Φ =2,f =3 D: K =2,Φ =2,f =2
- 已知N2(g)+2O2(g)=2NO2(g)KӨ11/2N2(g)+O2(g)=NO2(g)KӨ2NO2(g)=1/2N2(g)+O2(g)KӨ3则平衡常数KӨ1、KӨ2、KӨ3间的关系为KӨ1=KӨ2=KӨ3()