【单选题】反应(1)SO 2 + 1/2O 2 = SO 3 K 1 ø (T); (2) 2SO 2 + O 2 = 2SO 3 K 2 ø (T)
A. 1 ø (T)与K 2 ø (T)的关系是 B. K 1 ø = K 2 ø C. (K 1 ø ) 2 = K 2 ø D. K 1 ø = (K 2 ø ) 2 E. 2K 1 ø = K 2 ø
A. 1 ø (T)与K 2 ø (T)的关系是 B. K 1 ø = K 2 ø C. (K 1 ø ) 2 = K 2 ø D. K 1 ø = (K 2 ø ) 2 E. 2K 1 ø = K 2 ø
举一反三
- 对于一级过程消除的药物,消除速度常数与生物半衰期的关系是() A: t 1/2=k/0.5 B: t 1/2=k/0.693 C: t 1/2=1/k D: t 1/2=0.5/k E: t 1/2=0.693/k
- 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
- 设矩阵\({A^k} = O \),则\({(E - A)^{ - 1}} = \) A: \(E + A + {A^2} + ... + {A^{k - 1}} \) B: \( A + {A^2} + ... + {A^{k - 1}}\) C: \(E + A + {A^2} + ... + {A^{k }}\) D: \(E + {A^2} + ... + {A^{k - 1}}\)
- 知反应N2+3H2= 2NH3的标准平衡常数为Kө1,反应的标准平衡常数为Kө2,两者的关系为() A: Kө1=Kө2 B: Kө1=2Kө2 C: Kө1=1/2Kө2 D: Kө1=(Kө2)2
- 一级反应中药物的半衰期公式为() A: t 1/2 = 0. 693/k B: t 1/2? = C 0/2k C: t 1/2? =0. 1054/k D: t 1/2? = 1/C 0k E: t 1/2? =0. 693 k