反应 a:4HCl(g)+O2(g) =2Cl2(g) +2H2O(g) ΔH1 = -115.6 kJ·mol-1
已知:H2O(g) = H2O(l) ΔH2 =-44 kJ·mol-1
下列说法不正确的是
A.反应 a 中反应物的总能量高于生成物的总能量 |
B.反应 a 中涉及极性键、非极性键的断裂和生成 |
C.4HCl(g)+O2(g) =2Cl2(g) +2H2O(l) ΔH3 = -159.6 kJ·mol-1 |
D.反应 a 中,O2 为氧化剂 |

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

