题型:单选题 题类:常考题 难易度:普通
N2+3H2 | |||
起始浓度mol/L | 1.0 | 3.0 | 0 |
2秒末浓度mol/L | 0.6 | 1.8 | 0.8 |
当用氨气浓度的增加来表示该化学反应速率时,其速率为( ).
0min | 10min | 20min | 30min | 40min | 50min | 60min | ||
① | 10℃ | 1.1 | 0.90 | 0.80 | 0.73 | 0.68 | 0.65 | 0.65 |
② | 10℃ | a | 0.70 | 0.65 | 0.65 | 0.65 | 0.65 | 0.65 |
③ | 25℃ | 1.0 | 0.70 | 0.50 | 0.35 | 0.25 | 0.20 | 0.20 |
④ | 30℃ | 2.0 | 1.4 | 0.90 | 0.50 | 0.20 | 0.13 | 0.13 |
试题篮