(1) 2H2(g)+ O2(g) = 2H2O(g) , K1(2) H2(g)+ 1/2O2(g) = H2O(g) , K2(3) 2H2O(g) = 2H2(g)+ O2(g) , K3同一温度,上述各反应平衡常数之间的关系是:
A: K1 = K2 = K3
B: K1 2= K2 = 1/K3
C: K1 = K2 2= 1/K3
D: K1 =1/ K2 = K3
A: K1 = K2 = K3
B: K1 2= K2 = 1/K3
C: K1 = K2 2= 1/K3
D: K1 =1/ K2 = K3
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
- 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
- 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
- 温度T、压力p时理想气体反应: A: )2H2O(g) = 2H2(g)+ O2(g)K1ø(T) (2)CO2(g) = CO(g) +1/2O2(g)K2ø(T) B: 应(3)CO(g) + H2O(g)= CO2(g)+ H2(g)的K3ø(T)应为 C: K3ø=K1ø/K2ø D: K3ø=K1øK2ø E: K3ø=(K1ø)1/2/K2ø F: K3ø=(K1ø)1/2K2ø
- 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