增加反应体系压力，对下列哪一个反应能增大其平衡转化率:
A: NH3 (g) = 1/2N2 (g) + 3/2H2 (g)
B: 1/2N2 (g) + 3/2H2 (g) = NH3 (g)
C: CO2 (g) + H2 (g) = CO (g) + H2O (g)
D: C2H5OH (l) + CH3COOH (l) = CH3COOC2H5 (l) + H2O (l)
A: NH3 (g) = 1/2N2 (g) + 3/2H2 (g)
B: 1/2N2 (g) + 3/2H2 (g) = NH3 (g)
C: CO2 (g) + H2 (g) = CO (g) + H2O (g)
D: C2H5OH (l) + CH3COOH (l) = CH3COOC2H5 (l) + H2O (l)
举一反三
- 增加反应体系压力，对下列哪一个反应能增大其平衡转化率: A: NH3 (g) = 1/2N2 (g) + 3/2H2 (g) B: 1/2N2 (g) + 3/2H2 (g) = NH3 (g) C: CO2 (g) + H2 (g) = CO (g) + H2O (g) D: C2H5OH (l) + CH3COOH (l) = CH3COOC2H5 (l) + H2O (l)
- 下列反应中 25b3 r S m 03b8 > 0 的是 。 (A) 2H 2 (g) + O 2 (g) = 2H 2 O(g) (B) N 2 (g) + 3H 2 (g) = 2NH 3 (g) (C) NH 4 Cl(s) = NH 3 (g) + HCl(g) (D) CO 2 (g)+ 2NaOH(aq) =Na 2 CO 3 (aq)+H 2 O(l)
- 下列反应中,放出热量最多的是[br][/br](1.5) A: C2H5OH (g) + 3 O2 (g) → 2 CO2 (g) + 3 H2O (g) B: C2H5OH (l) + 3 O2 (g) → 2 CO2 (g) + 3 H2O (g) C: C2H5OH (g) + 3 O2 (g) → 2 CO2 (g) + 3 H2O (l) D: C2H5OH (l) + 3 O2 (g) → 2 CO2 (g) + 3 H2O (l)
- 加入惰性气体对哪一个反应能增大其平衡转化率? ( ) A: C6H5C2H5(g) = C6H5C2H3(g) + H2(g) B: CO(g) + H2O(g) = CO2(g) + H2(g) C: 3/2H2(g) +1/2N2(g) = NH3(g) D: CH3COOH(l) + C2H5OH(l) = H2O(l) + C2H5COOCH3(l)
- 加入惰性气体对哪一个反应能增大其平衡转化率?() A: C6H5C2H5(g)=C6H5C2H3(g)+H2(g) B: CO(g)+H2O(g)=CO2(g)+H2(g) C: 3/2H2(g)+1/2N2(g)=NH3(g) D: CH3COOH(l)+C2H5OH(l)=H2O(l)+C2H5COOH3(l)