11.某温度时H2(g)+ Br2(g)⇌2HBr(g)的Kp=4×10-2,则反应HBr(g)⇌1/2H2(g)+1/2 Br2(g)的Kp是( B)。 A: 1/4×10-2 B: 1/[(4×10-2)1/2] C: (4×10-2)1/2 D: 2×10-1
11.某温度时H2(g)+ Br2(g)⇌2HBr(g)的Kp=4×10-2,则反应HBr(g)⇌1/2H2(g)+1/2 Br2(g)的Kp是( B)。 A: 1/4×10-2 B: 1/[(4×10-2)1/2] C: (4×10-2)1/2 D: 2×10-1
低盐膳食中,盐的每日摄入量为( )。 A: 1 ~ 3 g B: 2 ~ 4 g C: 1 ~ 4 g D: 0.5 ~ 3 g E: 2 ~ 6 g
低盐膳食中,盐的每日摄入量为( )。 A: 1 ~ 3 g B: 2 ~ 4 g C: 1 ~ 4 g D: 0.5 ~ 3 g E: 2 ~ 6 g
某温度时,反应H2(g) + Br2(g) = 2HBr(g)的Kc=4×10-2,则反应 HBr(g) =1/2H2(g) + 1/2Br2(g) 的Kc为( )。 A: 5 B: 4×102 C: 4×10-2 D: 2×10-2
某温度时,反应H2(g) + Br2(g) = 2HBr(g)的Kc=4×10-2,则反应 HBr(g) =1/2H2(g) + 1/2Br2(g) 的Kc为( )。 A: 5 B: 4×102 C: 4×10-2 D: 2×10-2
某温度时,反应H2(g)+Br2(g)===2HBr(g)的标准平衡常数KΘ=4×10-2,则反应HBr(g)===1/2H2(g)+1/2Br2(g)的标准平衡常数KΘ等于() A: B: C: 4×10 D:
某温度时,反应H2(g)+Br2(g)===2HBr(g)的标准平衡常数KΘ=4×10-2,则反应HBr(g)===1/2H2(g)+1/2Br2(g)的标准平衡常数KΘ等于() A: B: C: 4×10 D:
某反应A(g)+B(g)=C(g)的速率方程为v=K{c(A)} A: 1/6 B: 8倍 C: 1/4 D: 1/8
某反应A(g)+B(g)=C(g)的速率方程为v=K{c(A)} A: 1/6 B: 8倍 C: 1/4 D: 1/8
某温度时H2(g) + Br2(g)⇌2HBr(g)的K= 4 × 10–2,则反应HBr(g) ⇌ 1/2H2(g) +1/2Br2(g)的K是 。
某温度时H2(g) + Br2(g)⇌2HBr(g)的K= 4 × 10–2,则反应HBr(g) ⇌ 1/2H2(g) +1/2Br2(g)的K是 。
【多选题】A man has genotype A1A2 G1G2. (one each of the A1 and A2 alleles of gene A, one each of the G1 and G2 alleles of gene G ) The A and G loci are on difference chromosomes. What gametes will many meioses produce, in what proportions? A. 1/2 A1A2, 1/2 G1G2 B. 1/4 A1A1, 1/4 A1G1, 1/4 A2G1, 1/4 G1G2 C. 1/4 A1, 1/4 A2, 1/4 G1, 1/4 G2 D. 1/4 A1G1, 1/4 A1/G2, 1/4 A2G1, 1/4 A2G2 E. None of the above F. More information is needed
【多选题】A man has genotype A1A2 G1G2. (one each of the A1 and A2 alleles of gene A, one each of the G1 and G2 alleles of gene G ) The A and G loci are on difference chromosomes. What gametes will many meioses produce, in what proportions? A. 1/2 A1A2, 1/2 G1G2 B. 1/4 A1A1, 1/4 A1G1, 1/4 A2G1, 1/4 G1G2 C. 1/4 A1, 1/4 A2, 1/4 G1, 1/4 G2 D. 1/4 A1G1, 1/4 A1/G2, 1/4 A2G1, 1/4 A2G2 E. None of the above F. More information is needed
血红蛋白含铁约()。 A: B: 30% C: D: 20% E: F: 65% G: H: 6% I: J: 1%
血红蛋白含铁约()。 A: B: 30% C: D: 20% E: F: 65% G: H: 6% I: J: 1%
已知$f(x),\ g(x)$互为反函数,且$f(1)=2,\ {g}'(2)=2,\ {g}''(2)=1$,则${f}''(1)=$( )。 A: $1$ B: $\frac{1}{2}$ C: $-\frac{1}{4}$ D: $-\frac{1}{8}$
已知$f(x),\ g(x)$互为反函数,且$f(1)=2,\ {g}'(2)=2,\ {g}''(2)=1$,则${f}''(1)=$( )。 A: $1$ B: $\frac{1}{2}$ C: $-\frac{1}{4}$ D: $-\frac{1}{8}$
4分之3十18分之11一g分之1=
4分之3十18分之11一g分之1=