速率区间(m•s﹣1) | 各速率区间的分子数占总分子数的百分比/% | |
温度T1 | 温度T2 | |
100以下 | 0.7 | 1.4 |
100~200 | 5.4 | 8.1 |
200~300 | 11.9 | 17.0 |
300~400 | 17.4 | 21.4 |
400~500 | 18.6 | 20.4 |
500~600 | 16.7 | 15.1 |
600~700 | 12.9 | 9.2 |
700~800 | 7.9 | 4.5 |
800~900 | 4.6 | 2.0 |
900以上 | 3.9 | 0.9 |

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

