已知 N2(g) + 3H2(g) =2NH3(g);1/2N2(g) + 3/2H2(g) =NH3(g) 和1/3N2(g) + H2(g) =2/3NH3(g) 的平衡常数分别为K1、K2和K3,则它们的关系是:
A: K1 = K2 = K3
B: K1 = (K2)2 = (K3)3
C: K1 =2K2 = 3K3
D: K1 = (K2)1/2 = (K3)1/3
A: K1 = K2 = K3
B: K1 = (K2)2 = (K3)3
C: K1 =2K2 = 3K3
D: K1 = (K2)1/2 = (K3)1/3
举一反三
- 已知 N2(g) + 3H2(g) =2NH3(g);1/2N2(g) + 3/2H2(g) =NH3(g) 和1/3N2(g) + H2(g) =2/3NH3(g) 的平衡常数分别为K1、K2和K3,则它们的关系是: A: K1 = K2 = K3 B: K1 = (K2)2 = (K3)3 C: K1 =2K2 = 3K3 D: K1 = (K2)1/2 = (K3)1/3
- N2(g) + 3H2(g) ⇌ 2NH3(g);1/2N2(g) + 3/2H2(g) ⇌ NH3(g) 和N2(g) + H2(g) ⇌ 2/3NH3(g) 的平衡常数分别为 K1、K2和 K3,则它们的关系是: A: K1 = K2 = K3 B: K1 = (K2)2 = (K3)3 C: K1 =1/2K2 =1/3K3 D: K1= (K2)1/2 = (K3)1/3
- 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
- 已知298K时,反应N2(g)+O2(g)[=] 2NO(g) k1ø;N2(g)+3H2(g)[=] 2NH3(g) k2ø;2H2(g)+O2(g)[=] 2H2O(g) k3ø;则反应4NH3(g)+5O2(g)[=] 4NO(g)+6H2O(g)的k4ø为() A: (k1ø)2*(k3ø)3*(k2ø)2 B: (k1ø)2*(k3ø)3/(k2ø)2 C: 2(k1ø)+3(k3ø)-2(k2ø)2 D: (k1ø)2/(k3ø)3*(k2ø)2
- 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